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Pass Labs XA25 Amplifier
$3,250.00

Pass Labs XA25 Amplifier

Pass Labs X-150, 150 wpc stereo amplifer, used very good
$1,600.00

Pass Labs X-150, 150 wpc stereo amplifer, used very good

New ListingPass Labs XA30.8 Stereo Power Amplifier
$4,899.00

New ListingPass Labs XA30.8 Stereo Power Amplifier

Pass Labs INT-60 Stereo Integrated Amplifier
$6,299.00

Pass Labs INT-60 Stereo Integrated Amplifier

pass labs power amplifier Kit 50 Watts Class A Sound
$1,599.00

pass labs power amplifier Kit 50 Watts Class A Sound

Threshold / Pass Labs 3.9e Stasis Pure Class A , Optical Bias Amplifier
$3,850.00

Threshold / Pass Labs 3.9e Stasis Pure Class A , Optical Bias Amplifier

Pass x150.5 Stereo Amplifier *Used*
$2,400.00

Pass x150.5 Stereo Amplifier *Used*

Mono Single-ended Pure Class A Power Amplifier 30W Amp Base On Pass Labs Aleph 3
$199.00

Mono Single-ended Pure Class A Power Amplifier 30W Amp Base On Pass Labs Aleph 3

Pass Labs X250.8 Stereo Power Amplifier
$6,930.00

Pass Labs X250.8 Stereo Power Amplifier

PASS Labs XA-30.8 High Output Power Amplifier
$7,500.00

PASS Labs XA-30.8 High Output Power Amplifier

Classic Pass Labs Aleph 60/2 Monoblock Amplifier PCB and MOSFET Kit
$225.00

Classic Pass Labs Aleph 60/2 Monoblock Amplifier PCB and MOSFET Kit

Pass Labs X250.8 Stereo Power Amplifier 250W Per Channel - Excellent
$6,995.00

Pass Labs X250.8 Stereo Power Amplifier 250W Per Channel - Excellent

Pass Labs X-600 Mono-Block Power Amplifiers - Pair
$8,499.00

Pass Labs X-600 Mono-Block Power Amplifiers - Pair

Mono Single-ended Pure Class A Power Amplifier 30W Amp base on Pass Labs Aleph 3
$199.00

Mono Single-ended Pure Class A Power Amplifier 30W Amp base on Pass Labs Aleph 3

Classic Pass Labs Aleph 30  Amplifier MOSFET Kit - Matched IRFP240 and IRF9610
$90.00

Classic Pass Labs Aleph 30  Amplifier MOSFET Kit - Matched IRFP240 and IRF9610

HiFi A5 Mono Class A Balance Power Amplifier 60W Refer Pass Labs Aleph-5 Circuit
$488.00

HiFi A5 Mono Class A Balance Power Amplifier 60W Refer Pass Labs Aleph-5 Circuit

Pass Labs XA25 Amplifier
$4,840.00

Pass Labs XA25 Amplifier

1 Pair PASS LABS ALEPH-X Amplifier PC Boards,original N.Pass Labs,NOS!
$80.00

1 Pair PASS LABS ALEPH-X Amplifier PC Boards,original N.Pass Labs,NOS!

Classic Pass Labs Aleph 30 Stereo Amplifier PCB and MOSFET Kit - no PSU Boards
$100.00

Classic Pass Labs Aleph 30 Stereo Amplifier PCB and MOSFET Kit - no PSU Boards

Assembled Mono 60W Class A Power amplifier board base on Pass Labs Aleph A5 amp
$96.00

Assembled Mono 60W Class A Power amplifier board base on Pass Labs Aleph A5 amp

Pass Labs INT-150 integrated amplifier in 220V, Made in USA
$5,600.00

Pass Labs INT-150 integrated amplifier in 220V, Made in USA

HI-END PASS A5 Mono Pure Class A Power Amplifier Base On Pass Labs Aleph-5 60W
$419.99

HI-END PASS A5 Mono Pure Class A Power Amplifier Base On Pass Labs Aleph-5 60W

1Pcs 30W PASS LABS A3/A5 2-Channel Power AMP Amplifier 20dB PCB Bare Board
$22.68

1Pcs 30W PASS LABS A3/A5 2-Channel Power AMP Amplifier 20dB PCB Bare Board

Pass Labs XP-10 Preamplifier with Remote Mint Condition AC-100V
$3,080.00

Pass Labs XP-10 Preamplifier with Remote Mint Condition AC-100V

One Pair 30W+30W PASS A3 Class A Power Amplifier board Base On Pass Labs Aleph 3
$105.00

One Pair 30W+30W PASS A3 Class A Power Amplifier board Base On Pass Labs Aleph 3

PASS A3 HiFi Single-ended Class A 30W+30W Power Amplifier Pure Balanced Input
$494.00

PASS A3 HiFi Single-ended Class A 30W+30W Power Amplifier Pure Balanced Input

One Pair 30W+30W PASS A3 Class A Power Amplifier kit Base On Pass Labs Aleph 3
$95.00

One Pair 30W+30W PASS A3 Class A Power Amplifier kit Base On Pass Labs Aleph 3

Assembled 5W + 5W Pure Class A Power Amp Board Base On Pass Labs ACA Amplifier
$79.99

Assembled 5W + 5W Pure Class A Power Amp Board Base On Pass Labs ACA Amplifier

Mono Single-ended Pure Class A Power Amplifier 30W Amp base on Pass Labs Aleph 3
$199.00

Mono Single-ended Pure Class A Power Amplifier 30W Amp base on Pass Labs Aleph 3

Mono Single-ended Pure Class A Power Amplifier 30W Amp base on Pass Labs Aleph 3
$199.00

Mono Single-ended Pure Class A Power Amplifier 30W Amp base on Pass Labs Aleph 3

HI-END PASS A5 Mono Pure Class A Power Amplifier Base On Pass Labs Aleph-5 60W
$419.99

HI-END PASS A5 Mono Pure Class A Power Amplifier Base On Pass Labs Aleph-5 60W

Mono Single-ended Pure Class A Power Amplifier 30W Amp base on Pass Labs Aleph 3
$199.00

Mono Single-ended Pure Class A Power Amplifier 30W Amp base on Pass Labs Aleph 3

DIY Mono 60W Class A Power amplifier bare PCB base on Pass Labs Aleph A5 amp
$20.00

DIY Mono 60W Class A Power amplifier bare PCB base on Pass Labs Aleph A5 amp

One pair 60W Class A amplifier board base on Pass Labs Aleph A5 with heatsink
$375.00

One pair 60W Class A amplifier board base on Pass Labs Aleph A5 with heatsink

HI-END PASS A5 Mono Pure Class A Power Amplifier Base On Pass Labs Aleph-5 60W
$419.99

HI-END PASS A5 Mono Pure Class A Power Amplifier Base On Pass Labs Aleph-5 60W

One Pair 30W PASS LABS A3/A5 2-Channel Power AMP Amplifier 20dB PCB Bare Board
$44.98

One Pair 30W PASS LABS A3/A5 2-Channel Power AMP Amplifier 20dB PCB Bare Board

30W+30W PASS A3 Class A Power Amplifier KIT/Board Base On Pass Labs Aleph 3
$95.00 to $105.00

30W+30W PASS A3 Class A Power Amplifier KIT/Board Base On Pass Labs Aleph 3

Pass Labs Xa-60.8 Monoblock Power Amp
$9,500.00

Pass Labs Xa-60.8 Monoblock Power Amp

Assembled Mono 60W Class A Power Amplifier Board Base On Pass Labs Aleph A5 Amp
$106.00

Assembled Mono 60W Class A Power Amplifier Board Base On Pass Labs Aleph A5 Amp

Assembled Mono 60W Class A Power Amplifier Board Base On Pass Labs Aleph A5 Amp
$106.00

Assembled Mono 60W Class A Power Amplifier Board Base On Pass Labs Aleph A5 Amp

Pass Laboratories XP-10 Line Level Preamplifier Control Amplifier Transistor
$3,080.00

Pass Laboratories XP-10 Line Level Preamplifier Control Amplifier Transistor

Assembled 5W + 5W Pure Class A Power Amp Board Base On Pass Labs ACA Amplifier
$75.99

Assembled 5W + 5W Pure Class A Power Amp Board Base On Pass Labs ACA Amplifier

Assembled 5W + 5W Pure Class A Power Amp Board Base On Pass Labs ACA Amplifier
$79.99

Assembled 5W + 5W Pure Class A Power Amp Board Base On Pass Labs ACA Amplifier

Assembled 5W + 5W Pure Class A Power Amp Board Base On Pass Labs ACA Amplifier
$79.99

Assembled 5W + 5W Pure Class A Power Amp Board Base On Pass Labs ACA Amplifier

Assembled Mono 60W Class A Power Amplifier Board Base On Pass Labs Aleph A5 Amp
$106.00

Assembled Mono 60W Class A Power Amplifier Board Base On Pass Labs Aleph A5 Amp

Assembled Mono 60W Class A Power Amplifier Board Base On Pass Labs Aleph A5 Amp
$106.00

Assembled Mono 60W Class A Power Amplifier Board Base On Pass Labs Aleph A5 Amp

HI-END PASS A5 Mono Pure Class A Power Amplifier Base On Pass Labs Aleph-5 60W
$419.99

HI-END PASS A5 Mono Pure Class A Power Amplifier Base On Pass Labs Aleph-5 60W

2 Harrison Labs FMOD 1000Hz HP High Pass Midrange Tweeter Electronic Crossover
$29.99

2 Harrison Labs FMOD 1000Hz HP High Pass Midrange Tweeter Electronic Crossover

Douk Audio A5 HiFi TPA3255 Digital Amplifier Audio Stereo Amp w/High-Pass Filter
$72.99 to $98.99

Douk Audio A5 HiFi TPA3255 Digital Amplifier Audio Stereo Amp w/High-Pass Filter

2 Harrison Labs FMOD 100Hz HP High Pass Satellite Electronic Crossover USA Made
$29.99

2 Harrison Labs FMOD 100Hz HP High Pass Satellite Electronic Crossover USA Made

Audio Lab Audio Access PX-600 Multi Room Pre-Amplifier Good Working Condition
$269.99

Audio Lab Audio Access PX-600 Multi Room Pre-Amplifier Good Working Condition

New ListingBURSON Audio Soloist Voyager Headphone Amp Deluxe Package AUTHORIZED-DEALER
$3,399.99

New ListingBURSON Audio Soloist Voyager Headphone Amp Deluxe Package AUTHORIZED-DEALER

VSP LABS TRANS MOS STEREO POWER AMPLIFIER 150X2 300X1 RECAPPED
$489.00

VSP LABS TRANS MOS STEREO POWER AMPLIFIER 150X2 300X1 RECAPPED

PROCEED Audio Video Preamplifier Pre Amplifier Stereo Madrigal Audio Labs Amp
$275.00

PROCEED Audio Video Preamplifier Pre Amplifier Stereo Madrigal Audio Labs Amp

stellar labs SLA150 stereo power amplifier - Home Audio System
$95.99

stellar labs SLA150 stereo power amplifier - Home Audio System

Pass DIY F5M amplifier pair for bi-amping for mono blocks
$600.00

Pass DIY F5M amplifier pair for bi-amping for mono blocks

New ListingLAB12 mighty Class A Tube Power Amplifier $2400 List !
$1,899.99

New ListingLAB12 mighty Class A Tube Power Amplifier $2400 List !

Ce Labs AV901COMP Digital HDTV A/V Distribution Amplifier Component Video
$19.99

Ce Labs AV901COMP Digital HDTV A/V Distribution Amplifier Component Video

2 Harrison Labs FMOD 70Hz HP High Pass Satellite Electronic Crossover USA Made
$29.99

2 Harrison Labs FMOD 70Hz HP High Pass Satellite Electronic Crossover USA Made

1 Harrison Labs FMOD 100Hz LP Low Pass Subwoofer Electronic Crossover
$17.99

1 Harrison Labs FMOD 100Hz LP Low Pass Subwoofer Electronic Crossover

CE Labs AV700 1 In / 7 Out Prograde Composite Audio/Video Distribution Amplifier
$44.98

CE Labs AV700 1 In / 7 Out Prograde Composite Audio/Video Distribution Amplifier

Douk Audio A5 HIFI TPA3255 Digital Amplifier w/High-Pass Filter 300W Power Amp
$89.99

Douk Audio A5 HIFI TPA3255 Digital Amplifier w/High-Pass Filter 300W Power Amp

VR3 Virtual Reality Sound Labs 1000W 5 Channel Stereo Amplifier AMP Untested
$30.00

VR3 Virtual Reality Sound Labs 1000W 5 Channel Stereo Amplifier AMP Untested

WADIA A102 80W STEREO RCA XLR BALANCED AMPLIFIER MADE @ McIntosh Labs New Old St
$399.99

WADIA A102 80W STEREO RCA XLR BALANCED AMPLIFIER MADE @ McIntosh Labs New Old St

KENWOOD SS-77 A/V Surround Sound Processor Works Great
$32.99

KENWOOD SS-77 A/V Surround Sound Processor Works Great

PASS ZEN Single-end ClassA 5W HIFI Computer Headphone Power AMP Amplifier Finis
$47.06

PASS ZEN Single-end ClassA 5W HIFI Computer Headphone Power AMP Amplifier Finis

JDS Labs Objective2 Digital Headphones Amplifier
$66.00

JDS Labs Objective2 Digital Headphones Amplifier

JDS Labs Objective2 Digital Headphones Amplifier
$74.77

JDS Labs Objective2 Digital Headphones Amplifier

Proceed Power Amplifier 150W x2 Madrigal Audio Labs.
$895.00

Proceed Power Amplifier 150W x2 Madrigal Audio Labs.

Adcom GFA 5802 amplifier 300WPC Class A/B Nelson Pass Designed
$1,000.00

Adcom GFA 5802 amplifier 300WPC Class A/B Nelson Pass Designed

Radio Labs Design STICK-ON ST-DA3 Audio Distribution Amplifier w/Power Supply
$39.95

Radio Labs Design STICK-ON ST-DA3 Audio Distribution Amplifier w/Power Supply

Harrison Labs Subsonic Filter FMOD 37Hz High Pass @18dB Electronic Crossover
$29.99

Harrison Labs Subsonic Filter FMOD 37Hz High Pass @18dB Electronic Crossover

2 PCS PASS ACA Stereo 5W Single-Ended Class A FET+MOS Power Amplifier Bare PCB
$6.98

2 PCS PASS ACA Stereo 5W Single-Ended Class A FET+MOS Power Amplifier Bare PCB

Harrison Labs FMOD 70Hz / 100Hz HP Hi Pass Satellite Electronic Crossover USA
$29.99

Harrison Labs FMOD 70Hz / 100Hz HP Hi Pass Satellite Electronic Crossover USA

PASS A3 Single-ended Class A Power Amplifier Kit / Amplifier Board 30W+30W
$39.99 to $45.00

PASS A3 Single-ended Class A Power Amplifier Kit / Amplifier Board 30W+30W

Harrison Labs FMOD 100Hz / 200Hz HP Hi Pass Satellite Electronic Crossover USA
$29.99

Harrison Labs FMOD 100Hz / 200Hz HP Hi Pass Satellite Electronic Crossover USA

LAB GRUPPEN Lucia 60/1-70 Compact Mono Power Amplifier, POWER TESTED
$59.41

LAB GRUPPEN Lucia 60/1-70 Compact Mono Power Amplifier, POWER TESTED

PASS ALEPH 100W Single-ended Class A Power Amplifier 1*Amp Board +4* Power Board
$46.88

PASS ALEPH 100W Single-ended Class A Power Amplifier 1*Amp Board +4* Power Board

CE Labs High Performance Audio/Video Component Distribution Amplifier, 400COMP
$29.89

CE Labs High Performance Audio/Video Component Distribution Amplifier, 400COMP

DIY Kit PASS ZEN Single-end Class A Headphone Amplifier 5w DC 24V
$30.61

DIY Kit PASS ZEN Single-end Class A Headphone Amplifier 5w DC 24V

PCB For PASS ZEN Single-end Class A Headphone Amplifier 5w DC 24V Board
$8.45

PCB For PASS ZEN Single-end Class A Headphone Amplifier 5w DC 24V Board

2CH PASS A5 Audiophile FET PASS Aleph-5 Pure Class A Power Amplifier PCB 60W+60W
$25.99

2CH PASS A5 Audiophile FET PASS Aleph-5 Pure Class A Power Amplifier PCB 60W+60W

CE Labs Model AV400 High Performance Audio and Video Distribution Amplifier
$19.00

CE Labs Model AV400 High Performance Audio and Video Distribution Amplifier

^ Radio Design Labs STA-1 Stick-On Universal Balance/Unbalanced Line Amplifier
$25.50

^ Radio Design Labs STA-1 Stick-On Universal Balance/Unbalanced Line Amplifier

Radio Design Labs rdl ST SH1 Headphone Amplifier Stick on
$45.00

Radio Design Labs rdl ST SH1 Headphone Amplifier Stick on

Harrison Labs FMOD 20Hz / 50Hz HP Hi Pass Subsonic Filter Rumble Reducer USA
$29.99

Harrison Labs FMOD 20Hz / 50Hz HP Hi Pass Subsonic Filter Rumble Reducer USA

2 Harrison Labs FMOD 6500Hz HP High Pass Super Tweeter Electronic Crossover USA
$29.99

2 Harrison Labs FMOD 6500Hz HP High Pass Super Tweeter Electronic Crossover USA

One Pair PASS A5 Single-Ended Class A Power Amplifier Kit ( Dual Channel )
$40.00

One Pair PASS A5 Single-Ended Class A Power Amplifier Kit ( Dual Channel )

PASS A5 single-ended Class A power amplifier kit balanced and unbalanced input
$110.00

PASS A5 single-ended Class A power amplifier kit balanced and unbalanced input

CE Labs HA8-3 A/V 1-In/8-Out HDMI HDTV Distribution Pre-Amp/Processor Amplifier
$34.97

CE Labs HA8-3 A/V 1-In/8-Out HDMI HDTV Distribution Pre-Amp/Processor Amplifier

One pair PASS A3 Single-Ended Class A Stereo Amplifier Board Bare PCB
$7.50

One pair PASS A3 Single-Ended Class A Stereo Amplifier Board Bare PCB

One Pair Stereo PASS ALEPH-M 16W Pure Class A Power Amplifier Bare PCB
$12.99

One Pair Stereo PASS ALEPH-M 16W Pure Class A Power Amplifier Bare PCB

Lab Gruppen Lucia 60/1-70 Compact Mono Power Amplifier, 1x60W, 70V (R9)
$129.99

Lab Gruppen Lucia 60/1-70 Compact Mono Power Amplifier, 1x60W, 70V (R9)

NEW Radio Design Labs (RDL) - EZ-PH1 - RDL EZ-PH1 Amplifier - 2 Channel
$99.00

NEW Radio Design Labs (RDL) - EZ-PH1 - RDL EZ-PH1 Amplifier - 2 Channel

1 Harrison Labs FMOD 70Hz HP High Pass Satellite Electronic Crossover USA Made
$17.99

1 Harrison Labs FMOD 70Hz HP High Pass Satellite Electronic Crossover USA Made

PASS A3 Single-ended Class A Power Amplifier Board / Amplifier Kit / PCB 30W+30W
$12.99 to $45.00

PASS A3 Single-ended Class A Power Amplifier Board / Amplifier Kit / PCB 30W+30W

Finished PASS ZEN single-ended Class A headphone amp / 3W+3W desktop amplifier
$174.24

Finished PASS ZEN single-ended Class A headphone amp / 3W+3W desktop amplifier

PASS A3 HIFI single-ended class A power amplifier pure class A balanced input
$550.00

PASS A3 HIFI single-ended class A power amplifier pure class A balanced input

PASS ALEPH 100W Single-ended Class A Power Amplifier 1*Amp Board +4* Power Board
$46.38

PASS ALEPH 100W Single-ended Class A Power Amplifier 1*Amp Board +4* Power Board

RDL Radio Design Labs HD-PA35A Audio Power Amplifier (No Power Cord)
$34.97

RDL Radio Design Labs HD-PA35A Audio Power Amplifier (No Power Cord)

DIY Kit PASS ZEN Single-End Class A Headphone amplifier 5W DC 24V
$31.34

DIY Kit PASS ZEN Single-End Class A Headphone amplifier 5W DC 24V

1 Harrison Labs FMOD 150Hz LP Low Pass Sub Woofer Electronic Crossover USA Made
$17.99

1 Harrison Labs FMOD 150Hz LP Low Pass Sub Woofer Electronic Crossover USA Made

1 Pair ACA Amplifier Board Reference PASS 8W Class A Field Tube Amplifier
$30.68

1 Pair ACA Amplifier Board Reference PASS 8W Class A Field Tube Amplifier

PASS ZEN single-end Class A Headphone amplifier 5w DC 24V HIFI IRF610 MOSFET
$36.09

PASS ZEN single-end Class A Headphone amplifier 5w DC 24V HIFI IRF610 MOSFET

1 Harrison Labs FMOD 100Hz HP High Pass Satellite Electronic Crossover USA Made
$17.99

1 Harrison Labs FMOD 100Hz HP High Pass Satellite Electronic Crossover USA Made

2 Harrison Labs FMOD 300Hz HP High Pass Satellite Electronic Crossover USA Made
$29.99

2 Harrison Labs FMOD 300Hz HP High Pass Satellite Electronic Crossover USA Made

CE Labs Model AV400 High Performance Audio and Video Distribution Amplifier
$20.00

CE Labs Model AV400 High Performance Audio and Video Distribution Amplifier

LAB GRUPPEN Lucia 120/1-70 Compact Mono Amplifier
$100.00

LAB GRUPPEN Lucia 120/1-70 Compact Mono Amplifier

Finished HIFI Pass AM Pure Class A Stereo Amplifier 22W+22W Home Amp
$218.00

Finished HIFI Pass AM Pure Class A Stereo Amplifier 22W+22W Home Amp

2 Harrison Labs FMOD 2500Hz HP High Pass Midrange Tweeter Electronic Crossover
$29.99

2 Harrison Labs FMOD 2500Hz HP High Pass Midrange Tweeter Electronic Crossover

Douk Audio A5 HIFI TPA3255 Digital Amplifier w/High-Pass Filter 300W Power Amp
$154.46

Douk Audio A5 HIFI TPA3255 Digital Amplifier w/High-Pass Filter 300W Power Amp

CE Labs AV 400SV Audio Video Distribution Amplifier With Power Cord Untested
$64.99

CE Labs AV 400SV Audio Video Distribution Amplifier With Power Cord Untested

ZK-6001 600W Subwoofer Amplifier Board Mono Low-Pass Filter Volume Adjustment a
$35.99 to $39.99

ZK-6001 600W Subwoofer Amplifier Board Mono Low-Pass Filter Volume Adjustment a

One Pair FirstWatt PASS PCF F7 Class A Power Amplifier Kit / AMP Board 20W+20W
$61.99 to $179.99

One Pair FirstWatt PASS PCF F7 Class A Power Amplifier Kit / AMP Board 20W+20W

1 Harrison Labs FMOD 1000Hz LP Low Pass Woofer Midrange Electronic Crossover
$17.99

1 Harrison Labs FMOD 1000Hz LP Low Pass Woofer Midrange Electronic Crossover

Douk Audio A5 TPA3255 Stereo Amp HiFi Audio Class D Amplifier High-pass Filter
$89.99

Douk Audio A5 TPA3255 Stereo Amp HiFi Audio Class D Amplifier High-pass Filter

One Pair Stereo PASS ALEPH-M 16W Pure Class A Power Amplifier Kit/Finished Board
$44.99 to $49.99

One Pair Stereo PASS ALEPH-M 16W Pure Class A Power Amplifier Kit/Finished Board

California Audio Labs Multi 5 Channels Power Amplifier CL-2500 MCA 500w/c/8ohm.
$3,900.00

California Audio Labs Multi 5 Channels Power Amplifier CL-2500 MCA 500w/c/8ohm.

PASS ZEN Single-End Class A Headphone Amplifier 3W DC 24V HIFI IRF610 MOSFET
$39.47

PASS ZEN Single-End Class A Headphone Amplifier 3W DC 24V HIFI IRF610 MOSFET

HiFi Pass Zen Single-Ended Class A Stereo Headphone Amplifier 3W+3W Desktop Amp
$215.00

HiFi Pass Zen Single-Ended Class A Stereo Headphone Amplifier 3W+3W Desktop Amp

Wyetech Labs Topaz 211A Special Edition Stereo Amplifier
$15,000.00

Wyetech Labs Topaz 211A Special Edition Stereo Amplifier

Lab 12 The Mighty 10W Stereo Vaccuum Tube Power Amplifier
$2,090.00

Lab 12 The Mighty 10W Stereo Vaccuum Tube Power Amplifier

HiFi PASS ACA 5W Single-Ended Class A FET + MOS Stereo Power Amplifier Board
$20.00 to $25.00

HiFi PASS ACA 5W Single-Ended Class A FET + MOS Stereo Power Amplifier Board

CE Labs AV400 Composite Audio / Video Distribution Amplifier 1x4
$28.88

CE Labs AV400 Composite Audio / Video Distribution Amplifier 1x4

220 VOLT WADIA A102 80W STEREO RCA XLR BALANCED AMPLIFIER MADE @ McIntosh Labs
$399.99

220 VOLT WADIA A102 80W STEREO RCA XLR BALANCED AMPLIFIER MADE @ McIntosh Labs

Hifi PASS-AM V15 Class Stereo Power Amplifier Board 10W+10W With Balanced Input
$14.00 to $55.00

Hifi PASS-AM V15 Class Stereo Power Amplifier Board 10W+10W With Balanced Input

PASS F5 Turbo V2 50w A class amplifier D.I.Y.
$73.99

PASS F5 Turbo V2 50w A class amplifier D.I.Y.

Finished HIFI PASS ACA Stereo Single-Ended Class A FET+MOS Power Amplifier 5W
$159.99

Finished HIFI PASS ACA Stereo Single-Ended Class A FET+MOS Power Amplifier 5W

Lab.Gruppen Lucia 240/2M Matrix Amplifier Used
$69.99

Lab.Gruppen Lucia 240/2M Matrix Amplifier Used

CE LABS AV 400SV PROGRADE S-VIDEO DISTRIBUTION AMPLIFIER
$60.00

CE LABS AV 400SV PROGRADE S-VIDEO DISTRIBUTION AMPLIFIER

One Pair Ver 2.0 Single-ended PASS A3 Class A Amplifier Kit / Board 30W+30W
$115.00 to $125.00

One Pair Ver 2.0 Single-ended PASS A3 Class A Amplifier Kit / Board 30W+30W

Ce Labs AV 400COMP Component Video/Audio Distribution Amplifier
$24.99

Ce Labs AV 400COMP Component Video/Audio Distribution Amplifier

CE LABS AV400 High Performance Composite AV Distribution Amplifier
$21.95

CE LABS AV400 High Performance Composite AV Distribution Amplifier

Radio Design Labs STM-1 Microphone Amplifier & AC Adapter
$44.95

Radio Design Labs STM-1 Microphone Amplifier & AC Adapter

Sonic Imagery Labs 994Enh-Ticha DUAL Discrete OpAmp DIP8 VTV Amplifier
$88.00

Sonic Imagery Labs 994Enh-Ticha DUAL Discrete OpAmp DIP8 VTV Amplifier

2CH Purple Gold PASS Aleph-5 FET A5 Class A Power Amplifier Kit/Board 60W+60W
$179.99 to $189.99

2CH Purple Gold PASS Aleph-5 FET A5 Class A Power Amplifier Kit/Board 60W+60W

Finished HiFi PASS A30 Mos Class A Power Amplifier Mono 30W Home Audio Amp
$298.00

Finished HiFi PASS A30 Mos Class A Power Amplifier Mono 30W Home Audio Amp

1 Harrison Labs FMOD 500Hz HP High Pass Midrange Tweeter Electronic Crossover
$17.99

1 Harrison Labs FMOD 500Hz HP High Pass Midrange Tweeter Electronic Crossover

Finished HIFI Pass AM Pure Class A Stereo Amplifier 22W+22W Home Amp
$298.56

Finished HIFI Pass AM Pure Class A Stereo Amplifier 22W+22W Home Amp

One pair PASS ACA 5W Single-ended Class A FET + MOS Power amplifier Bare PCB
$4.50

One pair PASS ACA 5W Single-ended Class A FET + MOS Power amplifier Bare PCB

JM Labs 705 Speaker system / Tube Amplifier / Custom Cables
$950.00

JM Labs 705 Speaker system / Tube Amplifier / Custom Cables

HiFi 20W Class A Power Amplifier Headphone Amp Channel 2.0 L.Pass Amp
$250.00

HiFi 20W Class A Power Amplifier Headphone Amp Channel 2.0 L.Pass Amp

HIFI PASS A3 Single-ended Class A power amplifier kit 30W+30W AMP ( 2 channel)
$46.59

HIFI PASS A3 Single-ended Class A power amplifier kit 30W+30W AMP ( 2 channel)

CE Labs 4K Pro MP90 Commercial Grade IPTV Media Player Clean Good Condition
$75.00

CE Labs 4K Pro MP90 Commercial Grade IPTV Media Player Clean Good Condition

DC 12V-24V Low-pass Filter NE5532 Bass Tone Subwoofer Pre-Amplifier Preamp Board
$3.37

DC 12V-24V Low-pass Filter NE5532 Bass Tone Subwoofer Pre-Amplifier Preamp Board

Finished HiFi PASS A30 Power Amp Field Effect Class A 30W+30W Stereo Amplifier
$298.00

Finished HiFi PASS A30 Power Amp Field Effect Class A 30W+30W Stereo Amplifier

2CH PASS A5 Audiophile FET PASS Aleph-5 Pure Class A Power Amplifier PCB 60W+60W
$25.99

2CH PASS A5 Audiophile FET PASS Aleph-5 Pure Class A Power Amplifier PCB 60W+60W

Hifi PASS A3 Single-Ended Class A Stereo Power Amplifier Board 30W+30W Power Amp
$45.00 to $55.00

Hifi PASS A3 Single-Ended Class A Stereo Power Amplifier Board 30W+30W Power Amp

PASS A5 Single-Ended Class A Stereo Power Amplifier Board Balanced/RCA Input
$95.00 to $115.00

PASS A5 Single-Ended Class A Stereo Power Amplifier Board Balanced/RCA Input

FIRST WATT F7 Class A Stereo Power Amplifier 20W High-End Audio PCF PASS Clone
$2,588.00

FIRST WATT F7 Class A Stereo Power Amplifier 20W High-End Audio PCF PASS Clone

2.1 Channel Subwoofer Preamp Board Amplifier Board Low Pass Bass2300
$12.60

2.1 Channel Subwoofer Preamp Board Amplifier Board Low Pass Bass2300

1pair MOFI Pass ACA Fully MOSFETs 5W Class A Power Amplifier PCB
$9.41

1pair MOFI Pass ACA Fully MOSFETs 5W Class A Power Amplifier PCB

PASS ZEN Single-end Class A Headphone Amplifier 5w Dual AC24V
$55.74

PASS ZEN Single-end Class A Headphone Amplifier 5w Dual AC24V

PCB for PASS ZEN amplifier
$15.00

PCB for PASS ZEN amplifier

DC 9-32V Pre-AMP Single Low Power Pass Filter Bass Subwoofer Amplifier Board
$5.67

DC 9-32V Pre-AMP Single Low Power Pass Filter Bass Subwoofer Amplifier Board

PAIR TWO Sonic Imagery Labs 995FET-Ticha Discrete OpAmp API VTV Amplifier
$136.00

PAIR TWO Sonic Imagery Labs 995FET-Ticha Discrete OpAmp API VTV Amplifier

PASS A3 Single-ended Class A Power Amplifier Kit / Amplifier Board 30W+30W
$39.99 to $44.99

PASS A3 Single-ended Class A Power Amplifier Kit / Amplifier Board 30W+30W

2 PCS PASS ACA Stereo 5W Single-Ended Class A FET+MOS Power Amplifier Bare PCB
$6.99

2 PCS PASS ACA Stereo 5W Single-Ended Class A FET+MOS Power Amplifier Bare PCB

1 Harrison Labs FMOD 200Hz LP Low Pass Midbass Subwoofer Electronic Crossover
$17.99

1 Harrison Labs FMOD 200Hz LP Low Pass Midbass Subwoofer Electronic Crossover

1 Harrison Labs FMOD 150Hz HP High Pass Satellite Electronic Crossover USA Made
$17.99

1 Harrison Labs FMOD 150Hz HP High Pass Satellite Electronic Crossover USA Made

CE LABS AV400 High Performance Composite AV Distribution Amplifier
$49.95

CE LABS AV400 High Performance Composite AV Distribution Amplifier

Psykowave Technology - Audio Labs Carbon Headset Black
$194.99

Psykowave Technology - Audio Labs Carbon Headset Black

CE Labs Model AV400 High Performance Audio and Video Distribution Amplifier. 17
$21.28

CE Labs Model AV400 High Performance Audio and Video Distribution Amplifier. 17

One Pair Stereo PASS ALEPH-M 16W Pure Class A Power Amplifier Bare PCB
$12.99

One Pair Stereo PASS ALEPH-M 16W Pure Class A Power Amplifier Bare PCB

ANTIQUE SOUND LAB MG HeadDT Tube Headphone Amplifier, Sennheiser Headphones
$499.00

ANTIQUE SOUND LAB MG HeadDT Tube Headphone Amplifier, Sennheiser Headphones

1 Pair ACA Amplifier Board Reference PASS 8W Class A Field Tube Amplifer
$34.10

1 Pair ACA Amplifier Board Reference PASS 8W Class A Field Tube Amplifer

ZEROZONE PA3 Stereo Single-ended Class A Power Amplifier PCB On PASS A3 30W+30W
$25.99

ZEROZONE PA3 Stereo Single-ended Class A Power Amplifier PCB On PASS A3 30W+30W

2 Harrison Labs FMOD 200Hz HP High Pass Satellite Electronic Crossover USA Made
$29.99

2 Harrison Labs FMOD 200Hz HP High Pass Satellite Electronic Crossover USA Made

HIFI PASS ZEN Single-ended Class A Headphone Amplifier / 3W+3W Desktop AMP
$148.00

HIFI PASS ZEN Single-ended Class A Headphone Amplifier / 3W+3W Desktop AMP

Finished PASS A30 Field Effect Transistor Class A 30W*2 HiFi Amplifier
$268.00

Finished PASS A30 Field Effect Transistor Class A 30W*2 HiFi Amplifier

PASS XP-10 Control amplifier (transistor) AC100V Operation confirmed
$3,100.00

PASS XP-10 Control amplifier (transistor) AC100V Operation confirmed

HiFi PASS ACA 5W Single-Ended Class A FET PCB+MOS Stereo Power Amplifier Board
$9.50

HiFi PASS ACA 5W Single-Ended Class A FET PCB+MOS Stereo Power Amplifier Board

Harrison Labs FMOD 50Hz / 70Hz HP Hi Pass Satellite Electronic Crossover USA
$29.99

Harrison Labs FMOD 50Hz / 70Hz HP Hi Pass Satellite Electronic Crossover USA

Cypher labs Theorem 720 Headphone Amplifier Gold for ipod iphone Rare
$574.99

Cypher labs Theorem 720 Headphone Amplifier Gold for ipod iphone Rare

Matched semiconductors for DIY 2 sets PASS ALEPH 2 Class A power amplifier
$139.99

Matched semiconductors for DIY 2 sets PASS ALEPH 2 Class A power amplifier

One pair Assembeld PASS ACA 5W Single-ended Class A FET + MOS amplifier board
$31.00

One pair Assembeld PASS ACA 5W Single-ended Class A FET + MOS amplifier board

CE LABS HA8-3 DISTRIBUTION AMPLIFIER
$36.00

CE LABS HA8-3 DISTRIBUTION AMPLIFIER

Welborne Labs Laurel 300B Single Ended Amplifier Kit Manual ONLY SEE ALL PHOTOS
$49.99

Welborne Labs Laurel 300B Single Ended Amplifier Kit Manual ONLY SEE ALL PHOTOS

HIFI PASS ACA Stereo single-Ended 5W+5W Class A FET+MOS Power Amplifier NEW
$192.76

HIFI PASS ACA Stereo single-Ended 5W+5W Class A FET+MOS Power Amplifier NEW

DC 12V-24V Low-pass Filter NE5532 Bass Tone Subwoofer Pre-Amplifier Preamp Board
$4.02

DC 12V-24V Low-pass Filter NE5532 Bass Tone Subwoofer Pre-Amplifier Preamp Board

1pair Pass Aleph-3 Fully MOSFETs Class A Power Amplifier- Finished Board
$63.03

1pair Pass Aleph-3 Fully MOSFETs Class A Power Amplifier- Finished Board

PASS Aleph P1.7 Class-A Mosfet Balanced Pre-Amplifie DIY KIT & Finished Board
$128.25 to $152.00

PASS Aleph P1.7 Class-A Mosfet Balanced Pre-Amplifie DIY KIT & Finished Board

Heavy duty power supply PCB for Pass amplifiers diy !
$14.99

Heavy duty power supply PCB for Pass amplifiers diy !

PHILIPS AUDIOPHILE HIGH FIDELITY LABS AMPLIFIER 388
$125.00

PHILIPS AUDIOPHILE HIGH FIDELITY LABS AMPLIFIER 388

#CE Labs-HA8-3 Pro-Grade /1 x8 HDMI Distribution Amplifier
$27.00

#CE Labs-HA8-3 Pro-Grade /1 x8 HDMI Distribution Amplifier

PASS ALEPH ONO MM Phono Pre- Amplifier(RIAA) PCB & DIY KIT & Finished Board
$8.58 to $56.88

PASS ALEPH ONO MM Phono Pre- Amplifier(RIAA) PCB & DIY KIT & Finished Board

One Set Nelson Pass ALEPH2 A2 Pure Class A Power Amplifier PCB Bare Board
$9.99

One Set Nelson Pass ALEPH2 A2 Pure Class A Power Amplifier PCB Bare Board

1pair PASS A3 Class A Power Amplifier Board with Gold-sealed Tubes ,30W 1.6A
$141.00

1pair PASS A3 Class A Power Amplifier Board with Gold-sealed Tubes ,30W 1.6A

47Laboratory 4735Mk2 Cd Player CD changer
$2,516.99

47Laboratory 4735Mk2 Cd Player CD changer "Yonanana Lab." Used F/S From Japan

1Pair PASS AM single-end Class A Amplifier Board Pre-amp 10W 8ohms DC 18V-0V-18V
$51.28

1Pair PASS AM single-end Class A Amplifier Board Pre-amp 10W 8ohms DC 18V-0V-18V

1pc PASS ACA Single Ended Class A Field Effect Tube Amplifier Board
$21.98

1pc PASS ACA Single Ended Class A Field Effect Tube Amplifier Board

2 Pieces PASS ACA 5W Single-ended Class A FET + MOS Power Amplifier Kit DIY AMP
$22.00

2 Pieces PASS ACA 5W Single-ended Class A FET + MOS Power Amplifier Kit DIY AMP

Finished HIFI PASS ACA Stereo Single-Ended Class A FET+MOS Power Amplifier 5W
$159.99

Finished HIFI PASS ACA Stereo Single-Ended Class A FET+MOS Power Amplifier 5W

Swagman Lab 12V DC Audiophile Linear Power Supply Used VGC DAC Phono Amplifier
$114.68

Swagman Lab 12V DC Audiophile Linear Power Supply Used VGC DAC Phono Amplifier

PASS A3 Sngle-Ended Class A Amplifier 30W+30W Balanced &Unbalanced Input Board
$68.06

PASS A3 Sngle-Ended Class A Amplifier 30W+30W Balanced &Unbalanced Input Board

Ce Labs AV901COMP Digital HDTV A/V Distribution Amplifier Component Video
$25.00

Ce Labs AV901COMP Digital HDTV A/V Distribution Amplifier Component Video

LAB GRUPPEN Lucia 60/1-70 Compact Mono Power Amplifier
$72.00

LAB GRUPPEN Lucia 60/1-70 Compact Mono Power Amplifier

Stereo FirstWatt PASS PCF F7 Class A Power Amplifier 20W+20W ECX10N20 / ECX10P20
$549.00

Stereo FirstWatt PASS PCF F7 Class A Power Amplifier 20W+20W ECX10N20 / ECX10P20

PROFESSIONAL A/V Distribution Amplifier SPLITTER AV 400 Cable Electronics Labs
$59.99

PROFESSIONAL A/V Distribution Amplifier SPLITTER AV 400 Cable Electronics Labs

1pc PASS ACA Single-Ended Class A Field Effect Tube Amplifier Board
$25.24

1pc PASS ACA Single-Ended Class A Field Effect Tube Amplifier Board

Low Pass Bass Subwoofer Preamp Amplifier Board Single DC 9-32V6710
$9.99

Low Pass Bass Subwoofer Preamp Amplifier Board Single DC 9-32V6710

LAB GRUPPEN Lucia 120x2 Compact High Fidelity Amplifier
$325.00

LAB GRUPPEN Lucia 120x2 Compact High Fidelity Amplifier

HiFi CRC Rectifier Filter Power Supply Board Dual PSU For Pass A3 Amplifier
$20.00 to $50.00

HiFi CRC Rectifier Filter Power Supply Board Dual PSU For Pass A3 Amplifier

2 Harrison Labs FMOD 2500Hz HP High Pass Midrange Tweeter Electronic Crossover
$20.00

2 Harrison Labs FMOD 2500Hz HP High Pass Midrange Tweeter Electronic Crossover

Finished Pass A30 Mos Single-ended Class A Power Amplifier Mono 30W HiFi Amp
$268.00

Finished Pass A30 Mos Single-ended Class A Power Amplifier Mono 30W HiFi Amp

PASS XP-10 Control amplifier (transistor) AC100V Operation confirmed
$3,116.00

PASS XP-10 Control amplifier (transistor) AC100V Operation confirmed

Caldwell Labs 8 Channel Amplifier 8CH AMP
$37.77

Caldwell Labs 8 Channel Amplifier 8CH AMP

Pass Aleph-3 Fully MOSFETs Class A Power Amplifier-PCB DIY KIT & Finished Board
$4.85 to $54.64

Pass Aleph-3 Fully MOSFETs Class A Power Amplifier-PCB DIY KIT & Finished Board

1 Harrison Labs FMOD 1000Hz HP High Pass Midrange Tweeter Electronic Crossover
$17.99

1 Harrison Labs FMOD 1000Hz HP High Pass Midrange Tweeter Electronic Crossover

Hi-Fi Class A Hifi Power Amplifier 20W 20W Headphone Amp Channel 2.0 L.Pass Amp
$250.00

Hi-Fi Class A Hifi Power Amplifier 20W 20W Headphone Amp Channel 2.0 L.Pass Amp

CE Labs HA8-3 Pre-Amp/Processor Amplifier
$27.00

CE Labs HA8-3 Pre-Amp/Processor Amplifier

Class A Power Amplifier Board 10Wx2 Stereo HiFi Amplifier Module for PASS AM
$63.65

Class A Power Amplifier Board 10Wx2 Stereo HiFi Amplifier Module for PASS AM

PASS F7 Power amplifier kit with MOSFET（EXICON 10N20 10P20) D.I.Y.
$78.00

PASS F7 Power amplifier kit with MOSFET（EXICON 10N20 10P20) D.I.Y.

PASS AM Single-End 10W 8ohms DC 18V-0V-18V Class A Pre-amp AMP Amplifier Board
$46.99

PASS AM Single-End 10W 8ohms DC 18V-0V-18V Class A Pre-amp AMP Amplifier Board

Harrison Labs Fmods Crossovers For Car Stereo Red With 2 Black Lines High Pass
$14.99

Harrison Labs Fmods Crossovers For Car Stereo Red With 2 Black Lines High Pass

One Pair Firstwatt Pass PCF F7 Power Amplifier Board Bare PCB
$20.00

One Pair Firstwatt Pass PCF F7 Power Amplifier Board Bare PCB

MOFI-Pass ACA Fully MOSFETs 5W Class A Power Amplifier DIY KIT & Finished Board
$45.50 to $56.23

MOFI-Pass ACA Fully MOSFETs 5W Class A Power Amplifier DIY KIT & Finished Board

One pair PASS ACA 5W Single-ended Class A FET + MOS Power amplifier kit DIY AMP
$26.99

One pair PASS ACA 5W Single-ended Class A FET + MOS Power amplifier kit DIY AMP

DC 12V-24V Low-Pass Filter NE5532 Subwoofer Process Pre-Amplifier Preamp
$13.00

DC 12V-24V Low-Pass Filter NE5532 Subwoofer Process Pre-Amplifier Preamp

One pair TO-3 IRF250 30W Class A power amplifier board base on Pass Labs Aleph 3
$120.00

One pair TO-3 IRF250 30W Class A power amplifier board base on Pass Labs Aleph 3

1 Harrison Labs FMOD 200Hz HP High Pass Satellite Electronic Crossover USA Made
$17.99

1 Harrison Labs FMOD 200Hz HP High Pass Satellite Electronic Crossover USA Made

Pass ACA Fully MOSFETs 5W Class A Power Amplifier PCB & DIY KIT & Finished Board
$8.58 to $54.02

Pass ACA Fully MOSFETs 5W Class A Power Amplifier PCB & DIY KIT & Finished Board

Hifi PASS A3 Single-Ended Class A Stereo Power Amplifier Board 30W+30W Power Amp
$45.00 to $55.00

Hifi PASS A3 Single-Ended Class A Stereo Power Amplifier Board 30W+30W Power Amp

Topping and JDS Labs amplifier and DAC handcrafted custom poplar wood rack stand
$100.00

Topping and JDS Labs amplifier and DAC handcrafted custom poplar wood rack stand

DIY KITS f PASS ZEN Class A HIFI Amplifier Board IRF610 FET Amp 5W
$41.68

DIY KITS f PASS ZEN Class A HIFI Amplifier Board IRF610 FET Amp 5W

PAIR TWO Sonic Imagery Labs 990Enh-Ticha Discrete OpAmp API VTV Amplifier
$136.00

PAIR TWO Sonic Imagery Labs 990Enh-Ticha Discrete OpAmp API VTV Amplifier

DC LC High Frequency Low-Pass Power Filter for Radio Amplifiers - 2A to 20A
$17.88

DC LC High Frequency Low-Pass Power Filter for Radio Amplifiers - 2A to 20A

HI-END PASS A3 Pure Class A Power Amplifier Support XLR /RCA Input 30--60W
$517.99

HI-END PASS A3 Pure Class A Power Amplifier Support XLR /RCA Input 30--60W

PAB 10-704-37 10W 704MHZ POWER AMPLIFIER 10W 704 MHZ LAB
$299.99

PAB 10-704-37 10W 704MHZ POWER AMPLIFIER 10W 704 MHZ LAB

One Pair HiFi Assembled Pass A3 Amplifier Board Pure Class A Amp Board 30W+30W
$65.00

One Pair HiFi Assembled Pass A3 Amplifier Board Pure Class A Amp Board 30W+30W

1 Harrison Labs FMOD 300Hz HP High Pass Satellite Electronic Crossover USA Made
$17.99

1 Harrison Labs FMOD 300Hz HP High Pass Satellite Electronic Crossover USA Made

HiFi Nelson ALEPH2 Pass A2 Pure Class A Power Amplifier Board PCB
$14.00

HiFi Nelson ALEPH2 Pass A2 Pure Class A Power Amplifier Board PCB

One pair PASS ACA 5W Single-ended Class A FET + MOS Power amplifier kit DIY AMP
$25.99

One pair PASS ACA 5W Single-ended Class A FET + MOS Power amplifier kit DIY AMP

PASS ACA Line Class A Single-Ended Class A Post-Amplifier Power Amplifier
$40.59

PASS ACA Line Class A Single-Ended Class A Post-Amplifier Power Amplifier

HiFi PASS A3 HiFi Single-End Class A 30W Amplifier Board Balanced Power Amp
$68.00 to $78.00

HiFi PASS A3 HiFi Single-End Class A 30W Amplifier Board Balanced Power Amp

PASS ACA 5W Single-Ended Class A FET + MOS Field Tube Amplifier - Kits
$27.26

PASS ACA 5W Single-Ended Class A FET + MOS Field Tube Amplifier - Kits

2CH HI-END Purple Gold PASS Aleph-5 FET A5 Pure Class A Power Amplifier Bare PCB
$39.99

2CH HI-END Purple Gold PASS Aleph-5 FET A5 Pure Class A Power Amplifier Bare PCB

HiFi PASS A5 Single-Ended Class A Stereo Power Amplifier Board PCB
$22.00

HiFi PASS A5 Single-Ended Class A Stereo Power Amplifier Board PCB

2.1 Channel Subwoofer Preamp Board Amplifier Board Low Pass Bass1505
$12.51

2.1 Channel Subwoofer Preamp Board Amplifier Board Low Pass Bass1505

PROFESSIONAL A/V Distribution Amplifier SPLITTER AV 400 Cable Electronics Labs
$59.99

PROFESSIONAL A/V Distribution Amplifier SPLITTER AV 400 Cable Electronics Labs

Welborne Labs MOONDOG 2A3 Single Ended Amplifier Manual ONLY SEE ALL PHOTOS
$49.99

Welborne Labs MOONDOG 2A3 Single Ended Amplifier Manual ONLY SEE ALL PHOTOS

DC 9-32V Single Power Low Pass Filter Bass Subwoofer Pre-AMP Amplifier Board
$5.19

DC 9-32V Single Power Low Pass Filter Bass Subwoofer Pre-AMP Amplifier Board

JDS Labs Objective2 Digital Headphones Amplifier
$80.00

JDS Labs Objective2 Digital Headphones Amplifier

PASS AM Single-Ended Class A Amplifier Board IRFP240/250 10W+10W Balanced Amp
$40.00 to $50.00

PASS AM Single-Ended Class A Amplifier Board IRFP240/250 10W+10W Balanced Amp

Sonic Imagery Labs 994Enh-Ticha DUAL Discrete OpAmp DIP8 audio upgrade
$94.00

Sonic Imagery Labs 994Enh-Ticha DUAL Discrete OpAmp DIP8 audio upgrade

1pc PASS ALEPH ONO MM Phono Pre- Amplifier(RIAA) PCB Board
$12.22

1pc PASS ALEPH ONO MM Phono Pre- Amplifier(RIAA) PCB Board

300W Subwoofer Amplifier Board Low Pass Filter Subwoofer DIY Amplifier Kit
$108.09

300W Subwoofer Amplifier Board Low Pass Filter Subwoofer DIY Amplifier Kit

CRC Power Supply PCB PASS DIY F5 TURBO First Watt class A Power amp amplifiers
$15.51

CRC Power Supply PCB PASS DIY F5 TURBO First Watt class A Power amp amplifiers

PASS ZEN single-end Class A Headphone amplifier 5w DC 24V HIFI IRF610 MOSFET
$35.69

PASS ZEN single-end Class A Headphone amplifier 5w DC 24V HIFI IRF610 MOSFET

CE LABS UH8-4K AMPLIFIER: hdmi distribution amplifier |010-6882672
$50.00

CE LABS UH8-4K AMPLIFIER: hdmi distribution amplifier |010-6882672

1 Pair PASS ACA 5W Single-Ended Class A FET+MOS Field Tube Amplifier Board
$33.94

1 Pair PASS ACA 5W Single-Ended Class A FET+MOS Field Tube Amplifier Board

Stellar Labs (SLA40) Compact, 20W, RMS, 2 Channel Stereo Amplifier
$56.95

Stellar Labs (SLA40) Compact, 20W, RMS, 2 Channel Stereo Amplifier

300W Subwoofer amplifier board low pass filter subwoofer pure home theater
$110.00

300W Subwoofer amplifier board low pass filter subwoofer pure home theater

4X 72000UF 75V Electrolytic capacitors,audio amplifier,KRELL,PASS,Threshold,kit
$80.00

4X 72000UF 75V Electrolytic capacitors,audio amplifier,KRELL,PASS,Threshold,kit

PASS A5 class A power amplifier board / with balanced input / unbalanced input
$120.00

PASS A5 class A power amplifier board / with balanced input / unbalanced input

1 Harrison Labs FMOD 2500Hz HP High Pass Midrange Tweeter Electronic Crossover
$17.99

1 Harrison Labs FMOD 2500Hz HP High Pass Midrange Tweeter Electronic Crossover

1 Harrison Labs FMOD 3500Hz HP High Pass Super Tweeter Electronic Crossover USA
$17.99

1 Harrison Labs FMOD 3500Hz HP High Pass Super Tweeter Electronic Crossover USA

1 Harrison Labs FMOD 3500Hz LP Low Pass Woofer Midrange Electronic Crossover
$17.99

1 Harrison Labs FMOD 3500Hz LP Low Pass Woofer Midrange Electronic Crossover

Finished PA-05 PASS ACA Single-ended Class A FET+MOS HiFi Amplifier 5W+5W
$192.00

Finished PA-05 PASS ACA Single-ended Class A FET+MOS HiFi Amplifier 5W+5W

Rare JR LPA Low Pass Filter with Amplifier For JR 149 Subwoofer Jim Rogers LP.A
$74.17

Rare JR LPA Low Pass Filter with Amplifier For JR 149 Subwoofer Jim Rogers LP.A

Assembeld HIFI PASS A30 Class A stereo amplifier board 30W amp Balanced input
$92.00

Assembeld HIFI PASS A30 Class A stereo amplifier board 30W amp Balanced input

BURSON Audio Soloist Voyager Headphone Amp Deluxe Package AUTHORIZED-DEALER
$4,199.00

BURSON Audio Soloist Voyager Headphone Amp Deluxe Package AUTHORIZED-DEALER

Low-pass Filter NE5532 Bass Tone Subwoofer Pre-Amplifier Preamp Board DC 12-24V
$5.67

Low-pass Filter NE5532 Bass Tone Subwoofer Pre-Amplifier Preamp Board DC 12-24V

LAB GRUPPEN Lucia 120/1-70 Compact Mono Amplifier MISSING Connectors
$49.95

LAB GRUPPEN Lucia 120/1-70 Compact Mono Amplifier MISSING Connectors

HiFi PASS AM Class A 10W+10W Stereo Power Amplifier Board PCB
$11.00

HiFi PASS AM Class A 10W+10W Stereo Power Amplifier Board PCB

HIFI MDO-PA05 Pure Class A FET+MOS Power Amplifier Base On PASS ACA Circuit 5W*2
$162.99

HIFI MDO-PA05 Pure Class A FET+MOS Power Amplifier Base On PASS ACA Circuit 5W*2

1pair Pass Aleph-5 A5 Fully Mosfets Class A Power Amplifier- Finished Board
$118.44

1pair Pass Aleph-5 A5 Fully Mosfets Class A Power Amplifier- Finished Board

PASS A3 Single-ended Class A Power Amplifier Kit / Amplifier Board 30W+30W
$39.99 to $44.99

PASS A3 Single-ended Class A Power Amplifier Kit / Amplifier Board 30W+30W

Finished HIFI PASS ACA Stereo Single-Ended Class A FET+MOS Power Amplifier 5W
$159.99

Finished HIFI PASS ACA Stereo Single-Ended Class A FET+MOS Power Amplifier 5W

2 PCS PASS ACA Stereo 5W Single-Ended Class A FET+MOS Power Amplifier Bare PCB
$6.99

2 PCS PASS ACA Stereo 5W Single-Ended Class A FET+MOS Power Amplifier Bare PCB

One Pair Stereo PASS ALEPH-M 16W Pure Class A Power Amplifier Bare PCB
$12.99

One Pair Stereo PASS ALEPH-M 16W Pure Class A Power Amplifier Bare PCB

One Pair HiFi Assembled Pass A3 Amplifier Board Pure Class A Amp Board 30W+30W
$65.00

One Pair HiFi Assembled Pass A3 Amplifier Board Pure Class A Amp Board 30W+30W

PASS F4 A class amplifier D.I.Y.
$53.99

PASS F4 A class amplifier D.I.Y.

Assembled PASS A3 Single-ended Class A power amplifier board 30W+30W
$52.16

Assembled PASS A3 Single-ended Class A power amplifier board 30W+30W

1pair Pass Aleph-5 A5 Fully Mosfets Class A Power Amplifier PCB Board
$18.80

1pair Pass Aleph-5 A5 Fully Mosfets Class A Power Amplifier PCB Board

HIFI PASS ACA Stereo single-Ended 5W+5W Class A FET+MOS Power Amplifier
$142.00

HIFI PASS ACA Stereo single-Ended 5W+5W Class A FET+MOS Power Amplifier

S.M.S.L A50 PRO HiFi Power Amplifier High/Low pass filter 2.1-Channel Infineo...
$139.74

S.M.S.L A50 PRO HiFi Power Amplifier High/Low pass filter 2.1-Channel Infineo...

PASS ACA Line Class A Single-Ended Class A Post-Amplifier Power Amplifier
$43.69

PASS ACA Line Class A Single-Ended Class A Post-Amplifier Power Amplifier

New, Radio Design Labs, ST-UBA2, 2 Channel Unbalanced to Balanced Amplifier
$42.50

New, Radio Design Labs, ST-UBA2, 2 Channel Unbalanced to Balanced Amplifier

Panasonic CY- M7002 2 channel stereo/ mono power amplifier With Low-pass Filter
$129.99

Panasonic CY- M7002 2 channel stereo/ mono power amplifier With Low-pass Filter

Sonic Imagery Labs 994Enh-Ticha DUAL Discrete OpAmp HDAM DIP8 enhanced upgrade
$94.00

Sonic Imagery Labs 994Enh-Ticha DUAL Discrete OpAmp HDAM DIP8 enhanced upgrade

PASS XP-10 Preamplifier Pass Slightly scratched and dirty Operation confirmed
$3,774.00

PASS XP-10 Preamplifier Pass Slightly scratched and dirty Operation confirmed

2CH MDO-PA05 Pure Class A Small Power Amplifier PCB Base On PASS ACA Circuit
$10.99

2CH MDO-PA05 Pure Class A Small Power Amplifier PCB Base On PASS ACA Circuit

CE Labs Bidirectional RF Amplifier, Model 6001A, Fast Ship!!! W/AC Adaptor!! USA
$23.98

CE Labs Bidirectional RF Amplifier, Model 6001A, Fast Ship!!! W/AC Adaptor!! USA

2*PASS A5 Single-Ended HIFI Power Amplifier Board IRF244 IRF9610 Accuracy 0.2%
$108.82

2*PASS A5 Single-Ended HIFI Power Amplifier Board IRF244 IRF9610 Accuracy 0.2%

1pc Synchronous Rectifier/Ideal Diode Bridge-PASS Pure A Amplifier
$21.53

1pc Synchronous Rectifier/Ideal Diode Bridge-PASS Pure A Amplifier

1pc PASS ALEPH ONO MM Phono Pre- Amplifier(RIAA) PCB
$10.03

1pc PASS ALEPH ONO MM Phono Pre- Amplifier(RIAA) PCB

Cable Electronics Labs AV 400SV Prograde A/V S-Video Distribution Amplifier
$50.00

Cable Electronics Labs AV 400SV Prograde A/V S-Video Distribution Amplifier

1 Harrison Labs FMOD 6500Hz LP Low Pass Woofer Midrange Electronic Crossover
$17.99

1 Harrison Labs FMOD 6500Hz LP Low Pass Woofer Midrange Electronic Crossover

1 Harrison Labs FMOD 6500Hz HP High Pass Super Tweeter Electronic Crossover USA
$17.99

1 Harrison Labs FMOD 6500Hz HP High Pass Super Tweeter Electronic Crossover USA

CRC 8 Capacitors Rectifier Filter Power supply PCB for Class A Pass Amplifier
$16.99

CRC 8 Capacitors Rectifier Filter Power supply PCB for Class A Pass Amplifier

Pass Aleph-5 A5 Fully Mosfets Class A Power Amplifier PCB & KIT & Finished Board
$12.94 to $106.31

Pass Aleph-5 A5 Fully Mosfets Class A Power Amplifier PCB & KIT & Finished Board

Ce Labs AV 400COMP Component Video/Audio Distribution Amplifier
$16.99

Ce Labs AV 400COMP Component Video/Audio Distribution Amplifier

CE Labs AV700 High Performance Audio & video Composite Distribution Amplifier.
$35.00

CE Labs AV700 High Performance Audio & video Composite Distribution Amplifier.

PASS A3 HIFI single-ended class A power amplifier pure class A balanced input
$520.00

PASS A3 HIFI single-ended class A power amplifier pure class A balanced input

PASS ACA 5W Single-Ended Class-A FET + MOS Field Tube Amplifier - Finished Board
$34.77

PASS ACA 5W Single-Ended Class-A FET + MOS Field Tube Amplifier - Finished Board

HIFI PASS ACA Stereo single-Ended 5W+5W Class A FET+MOS Power Amplifier NEW
$201.90

HIFI PASS ACA Stereo single-Ended 5W+5W Class A FET+MOS Power Amplifier NEW

HiFi Pass Zen Single-Ended Class A Stereo Headphone Amplifier 3W+3W Desktop Amp
$155.00

HiFi Pass Zen Single-Ended Class A Stereo Headphone Amplifier 3W+3W Desktop Amp

CE Labs HA8-3 Pre-Amp/Processor Amplifier
$165.00

CE Labs HA8-3 Pre-Amp/Processor Amplifier

DC 12V-24V Low-pass Filter NE5532 Subwoofer Process Pre-Amplifier Preamp Board
$3.69

DC 12V-24V Low-pass Filter NE5532 Subwoofer Process Pre-Amplifier Preamp Board

One Pair FirstWatt PASS PCF F7 Class A Power Amplifier Kit / AMP Board 20W+20W
$61.99 to $179.99

One Pair FirstWatt PASS PCF F7 Class A Power Amplifier Kit / AMP Board 20W+20W

Lab Gruppen C Series C 10:4x 600W 4-Channel RACK MOUNT PRO Amplifier. *READ⬇️*
$500.00

Lab Gruppen C Series C 10:4x 600W 4-Channel RACK MOUNT PRO Amplifier. *READ⬇️*

PASS ZEN IRF610 FET Single-end Class A 5W HIFI Headphone Power Amplifier Board
$37.08

PASS ZEN IRF610 FET Single-end Class A 5W HIFI Headphone Power Amplifier Board

LAB GRUPPEN Lucia 60/1-70 Compact Mono Power Amplifier
$59.99

LAB GRUPPEN Lucia 60/1-70 Compact Mono Power Amplifier

2x PASS A5 Class A Single-Ended HIFI Amplifier Board IRF244 IRF9610 60W+60W AMP
$125.60

2x PASS A5 Class A Single-Ended HIFI Amplifier Board IRF244 IRF9610 60W+60W AMP

LAB GRUPPEN Lucia 120/1-70 Amplifier
$89.99

LAB GRUPPEN Lucia 120/1-70 Amplifier

1pair Pass Aleph-3 Fully MOSFETs Class A Power Amplifier-PCB Board
$11.28

1pair Pass Aleph-3 Fully MOSFETs Class A Power Amplifier-PCB Board

One Set PASS A2 / A1.2 Single Ended Class A Power Amplifier PCB
$47.50

One Set PASS A2 / A1.2 Single Ended Class A Power Amplifier PCB

2CH PASS A5 Audiophile FET PASS Aleph-5 Pure Class A Power Amplifier PCB 60W+60W
$25.99

2CH PASS A5 Audiophile FET PASS Aleph-5 Pure Class A Power Amplifier PCB 60W+60W

NELSON PASS F6 CLONE POWER AMPLIFIER SILVER AND BLACK CLASS A AUDIOPHILE BEAUTY
$1,721.71

NELSON PASS F6 CLONE POWER AMPLIFIER SILVER AND BLACK CLASS A AUDIOPHILE BEAUTY

NE5532 HiFi Power Amplifier Subwoofer Tone Board Low Pass Filter Preamplifier
$9.79

NE5532 HiFi Power Amplifier Subwoofer Tone Board Low Pass Filter Preamplifier

ZEROZONE PA3 Stereo Single-ended Class A Power Amplifier PCB On PASS A3 30W+30W
$25.99

ZEROZONE PA3 Stereo Single-ended Class A Power Amplifier PCB On PASS A3 30W+30W

Vandersteen M5-HPA High Pass Monoblock Power Amplifiers; Pair
$7,270.00

Vandersteen M5-HPA High Pass Monoblock Power Amplifiers; Pair

Atma-sphere Class D mono blocks
$4,238.08

Atma-sphere Class D mono blocks

Atma-sphere Class D mono blocks
$3,973.20

Atma-sphere Class D mono blocks

One Pair Stereo PASS ALEPH-M 16W Pure Class A Power Amplifier Kit/Finished Board
$44.99 to $49.99

One Pair Stereo PASS ALEPH-M 16W Pure Class A Power Amplifier Kit/Finished Board

1pair Pass Aleph-5 A5 Fully Mosfets Class A Power Amplifier Board
$118.31

1pair Pass Aleph-5 A5 Fully Mosfets Class A Power Amplifier Board

1600W Class-D Car Amplifier with Variable Low-Pass Filter & Remote Bass Boost
$239.99

1600W Class-D Car Amplifier with Variable Low-Pass Filter & Remote Bass Boost

PASS A3 Single-ended Class A Power Amplifier Kit / Amplifier Board 30W+30W
$39.99 to $44.99

PASS A3 Single-ended Class A Power Amplifier Kit / Amplifier Board 30W+30W

PASS ACA 5W Single-Ended Class A FET + MOS Field Tube Amplifier - Kits
$29.89

PASS ACA 5W Single-Ended Class A FET + MOS Field Tube Amplifier - Kits

1pc PCB for PASS ZEN single-end class A headphone amplifier 5w DC 24V board DC
$10.60

1pc PCB for PASS ZEN single-end class A headphone amplifier 5w DC 24V board DC

1pair Pass ACA Fully MOSFETs 5W Class A Power Amplifier- PCB Board
$12.22

1pair Pass ACA Fully MOSFETs 5W Class A Power Amplifier- PCB Board

CENTRON RMA-250 STEREO AUDIO POWER AMPLIFIER 2RU RACK MOUNT FULLY LAB TESTED
$180.00

CENTRON RMA-250 STEREO AUDIO POWER AMPLIFIER 2RU RACK MOUNT FULLY LAB TESTED

ZK-6001 600W Subwoofer Amplifier Board Mono Low-Pass Filter Volume Adjustment US
$39.89 to $41.99

ZK-6001 600W Subwoofer Amplifier Board Mono Low-Pass Filter Volume Adjustment US

Finished HIFI Pass AM Pure Class A Stereo Amplifier 22W+22W Home Amplifier
$218.00

Finished HIFI Pass AM Pure Class A Stereo Amplifier 22W+22W Home Amplifier

HI-END PASS A3 Pure Class A Power Amplifier Support XLR /RCA Input 30--60W
$517.99

HI-END PASS A3 Pure Class A Power Amplifier Support XLR /RCA Input 30--60W

Finished HIFI PASS ACA Stereo Single-Ended Class A FET+MOS Power Amplifier 5W
$159.99

Finished HIFI PASS ACA Stereo Single-Ended Class A FET+MOS Power Amplifier 5W

2PCS PASS ACA 5W Single-ended Class A Power Amplifier Bare PCB Board Stereo Amp
$4.60

2PCS PASS ACA 5W Single-ended Class A Power Amplifier Bare PCB Board Stereo Amp

Pass Aleph-5 A5 Fully Mosfets Class One Power Amplifier Diy Kit/ Finished Board
$75.19

Pass Aleph-5 A5 Fully Mosfets Class One Power Amplifier Diy Kit/ Finished Board

2 PCS PASS ACA MINI Stereo 5W Single-Ended Class A FET+MOS Power Amplifier PCB
$9.20

2 PCS PASS ACA MINI Stereo 5W Single-Ended Class A FET+MOS Power Amplifier PCB

1pair MOFI Pass A3 Fully MOSFETs Class A Power Amplifier PCB
$7.99

1pair MOFI Pass A3 Fully MOSFETs Class A Power Amplifier PCB

Hifi PA05 amp PASS ACA 5W Single-ended Class A FET + MOS amplifier board /kit
$40.00 to $52.00

Hifi PA05 amp PASS ACA 5W Single-ended Class A FET + MOS amplifier board /kit

PASS A5 Single-Ended Class A Stereo Power Amplifier Board Balanced/RCA Input
$95.00 to $115.00

PASS A5 Single-Ended Class A Stereo Power Amplifier Board Balanced/RCA Input

One Pair Stereo PASS ALEPH-M 16W Pure Class A Power Amplifier Kit/Finished Board
$44.99 to $49.99

One Pair Stereo PASS ALEPH-M 16W Pure Class A Power Amplifier Kit/Finished Board

2.1 Channel Subwoofer Preamp Board Low Pass Pre- Amplifier Board Ne55329378
$11.99

2.1 Channel Subwoofer Preamp Board Low Pass Pre- Amplifier Board Ne55329378

MOFI-Pass A3 Fully MOSFETs Class A Power Amplifier-PCB
$9.89

MOFI-Pass A3 Fully MOSFETs Class A Power Amplifier-PCB

One Pair PASS A30 AMP Circuit Power Amplifier PCB Bare Board
$14.00

One Pair PASS A30 AMP Circuit Power Amplifier PCB Bare Board

HiFi CRC Audio Power Supply Board Kit For Pass Series Amplifier Board
$24.00 to $50.00

HiFi CRC Audio Power Supply Board Kit For Pass Series Amplifier Board

1pair Pass ACA Fully MOSFETs 5W Class A Power Amplifier- Kit DIY
$49.40

1pair Pass ACA Fully MOSFETs 5W Class A Power Amplifier- Kit DIY

One Pair Firstwatt Pass PCF F7 Power Amplifier Board Bare PCB
$19.99

One Pair Firstwatt Pass PCF F7 Power Amplifier Board Bare PCB

One Pair HiFi Pass A3 Amplifier Board PCB Pure Class A Amp Board
$18.00

One Pair HiFi Pass A3 Amplifier Board PCB Pure Class A Amp Board

HIFI PASS A3 Single-ended Class A power amplifier kit 30W+30W AMP ( 2 channel)
$42.77

HIFI PASS A3 Single-ended Class A power amplifier kit 30W+30W AMP ( 2 channel)

PASS ZEN Single-End Class A Amplifier Board 5W DC 24V HiFi IRF610 MOSFET
$32.00

PASS ZEN Single-End Class A Amplifier Board 5W DC 24V HiFi IRF610 MOSFET

HIFI PASS ACA Stereo single-Ended 5W+5W Class A FET+MOS Power Amplifier
$142.00

HIFI PASS ACA Stereo single-Ended 5W+5W Class A FET+MOS Power Amplifier

One Pair PASS A3 Class A Amplifier Board PASS Amplifier Board Gold Seal Tube 30W
$136.29

One Pair PASS A3 Class A Amplifier Board PASS Amplifier Board Gold Seal Tube 30W

Assembled PASS A3 HiFi Single-End Class A 30W Amplifier Board Balanced Power Amp
$78.00

Assembled PASS A3 HiFi Single-End Class A 30W Amplifier Board Balanced Power Amp

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