banner-image
banner-image
banner-image
banner-image
DIY PCB Board OTL Tube Headphone Amp Aikido White Cathode Follower 6SN7 6BX7

DIY PCB Board OTL Tube Headphone Amp Aikido White Cathode Follower 6SN7 6BX7

$30.00$15.00

DIY PCB - "Butte" solid-state headphone amp

DIY PCB - "Butte" solid-state headphone amp

$20.00$10.00

DIY PCB - "Jonokuchi" tube headphone / speaker amp

DIY PCB - "Jonokuchi" tube headphone / speaker amp

$40.00$20.00

DIY PCB plus Tube - NuHybrid Headphone Amp using the Korg Nutube 6P1

DIY PCB plus Tube - NuHybrid Headphone Amp using the Korg Nutube 6P1

$50.00$25.00

KMTech CMoy Headphone Amplifier 55mm x 35mm PCB DIY

KMTech CMoy Headphone Amplifier 55mm x 35mm PCB DIY

$6.21$3.10

DIY PCB only - NuHybrid Headphone Amp using the Korg Nutube 6P1

DIY PCB only - NuHybrid Headphone Amp using the Korg Nutube 6P1

$20.00$10.00

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

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

$8.45$4.22

Lehmann HV-4 Headphone Amplifier Kit / Board With ALPS 27 Type Potentiometer

Lehmann HV-4 Headphone Amplifier Kit / Board With ALPS 27 Type Potentiometer

$14.99$7.50

Portable Headphone Amplifier Board DIY Kit AMP Module For Classic 47 with Case

Portable Headphone Amplifier Board DIY Kit AMP Module For Classic 47 with Case

$9.99$5.00

Portable Headphone Amplifier Board Kit AMP Module Kit For Classic 47 DIY + Case

Portable Headphone Amplifier Board Kit AMP Module Kit For Classic 47 DIY + Case

$13.29$6.64

10pcs 1/4" Cliff Phone Jack 6.35 6pin PCB Headphone Audio Tube Amp Guitar Stereo

10pcs 1/4" Cliff Phone Jack 6.35 6pin PCB Headphone Audio Tube Amp Guitar Stereo

$12.20$6.10

New version Stereo A1 Class A headphone amplifier board Bare PCB

New version Stereo A1 Class A headphone amplifier board Bare PCB

$15.00$7.50

Assembeld balance DYNALOBAL Headphone amplifier board base on Dynalo 1940

Assembeld balance DYNALOBAL Headphone amplifier board base on Dynalo 1940

$108.00$54.00

HiFi Tube Headphone Amplifier 12AU7+EL500/EL504/EL519+GZ34,Class A 32-1K Ohms

HiFi Tube Headphone Amplifier 12AU7+EL500/EL504/EL519+GZ34,Class A 32-1K Ohms

$54.00$27.00

RudiStor NX03 MOFI MOD Single-End Headphone Amplifie-DIY KIT & Finished Board

RudiStor NX03 MOFI MOD Single-End Headphone Amplifie-DIY KIT & Finished Board

$43.60$21.80

JHL Class A Dual Channel Single-ended Headphone AMP Amplifier Board

JHL Class A Dual Channel Single-ended Headphone AMP Amplifier Board

$29.51$14.76

DIY PCB plus Tube - Balanced (differential) preamp/head amp using Korg Nutube

DIY PCB plus Tube - Balanced (differential) preamp/head amp using Korg Nutube

$60.00$30.00

Headphone Amplifier Board MAX4410 Mini Amp Power Amplifier Preamp R/ NE5532 NEW

Headphone Amplifier Board MAX4410 Mini Amp Power Amplifier Preamp R/ NE5532 NEW

$8.45$4.22

1pc HOOD1969 Class A Headphone Amplifier Small Power Amplifier Pre-Amp PCB

1pc HOOD1969 Class A Headphone Amplifier Small Power Amplifier Pre-Amp PCB

$11.09$5.54

HV-1 Headphone Amplifier Kit / Amplifier Board Headset Amplifier Base On A1

HV-1 Headphone Amplifier Kit / Amplifier Board Headset Amplifier Base On A1

$13.99$7.00

KMTech CMoy Headphone Amplifier 55mm x 35mm DIY KIT

KMTech CMoy Headphone Amplifier 55mm x 35mm DIY KIT

$12.42$6.21

1pc Lahmann Headphone Amplifie-PCB

1pc Lahmann Headphone Amplifie-PCB

$9.31$4.66

HV11 Full Discrete no feedback Class A headphone Amp Amplifier Bare PCB L6-22

HV11 Full Discrete no feedback Class A headphone Amp Amplifier Bare PCB L6-22

$7.71$3.85

Low distortion ( 0.0001%!) preamplifier headphone amp !

Low distortion ( 0.0001%!) preamplifier headphone amp !

$8.99$4.50

Tube 6080/6AS7 output headphone amplifier stereo PCB !

Tube 6080/6AS7 output headphone amplifier stereo PCB !

$21.99$10.99

LM317/337 dual rail regulator PCB for preamplifier/headphone amp(green) !

LM317/337 dual rail regulator PCB for preamplifier/headphone amp(green) !

$6.99$3.50

SOLO linear amp DIY Reproduce PCB circuit board empty board headphone amplifier

SOLO linear amp DIY Reproduce PCB circuit board empty board headphone amplifier

$4.88$2.44

2X (1 Pair) BELTON PCB Tube Sockets - 9 pin

2X (1 Pair) BELTON PCB Tube Sockets - 9 pin

$6.00$3.00

5V-15V 1Way Output 3.5mm Stereo Audio Signal Mixer PCB Motherboard Mixer Board

5V-15V 1Way Output 3.5mm Stereo Audio Signal Mixer PCB Motherboard Mixer Board

$37.09$18.55

Discrete dual op amp chip module circuit preamp board generation music02

Discrete dual op amp chip module circuit preamp board generation music02

$51.11$25.55

HV-1 Headphone Amplifier Finished Assembly Board base on Beyerdynamic A1

HV-1 Headphone Amplifier Finished Assembly Board base on Beyerdynamic A1

$56.05$28.02

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

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

$174.24$87.12

DIY PCB -2x Regulated DC power supply / filament supply

DIY PCB -2x Regulated DC power supply / filament supply

$30.00$15.00

From OZ Quality 1PC Stereo Headphone Amplifier Circuit Board PCB Mini Amp Pre FP

From OZ Quality 1PC Stereo Headphone Amplifier Circuit Board PCB Mini Amp Pre FP

$12.53$6.26

One Pair Dynalo Symmtery Balance Headphone amplifier board Bare PCB

One Pair Dynalo Symmtery Balance Headphone amplifier board Bare PCB

$16.50$8.25

KG Source File HIFI KSA5 Preamplifier / Headphone Amplifier AMP + PSU Bare PCB

KG Source File HIFI KSA5 Preamplifier / Headphone Amplifier AMP + PSU Bare PCB

$32.99$16.50

High speed low impedance PSU board bare PCB for preamp/headphone amp !

High speed low impedance PSU board bare PCB for preamp/headphone amp !

$9.99$5.00

LME49600+NE5532 OP Preamp Audio Buffer Amplifier PCB Board for Headphone LG160

LME49600+NE5532 OP Preamp Audio Buffer Amplifier PCB Board for Headphone LG160

$4.88$2.44

HV11 Full discrete no feedback Direct coupling headphone amplifier board L6-20

HV11 Full discrete no feedback Direct coupling headphone amplifier board L6-20

$35.00$17.50

NX03 HIFI OPA2134PA Class A Headphone Amplifier Base On RudiStor NX-03 Amp

NX03 HIFI OPA2134PA Class A Headphone Amplifier Base On RudiStor NX-03 Amp

$139.99$70.00

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

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

$6.98$3.49

KMTech Micro LM4880 Micro Headphone Amplifier 37mm x 27mm PCB DIY

KMTech Micro LM4880 Micro Headphone Amplifier 37mm x 27mm PCB DIY

$4.96$2.48

CD/ Headphone amp LME49600+NE5532 OP Amp Preamp Audio Buffer Amplifier Board

CD/ Headphone amp LME49600+NE5532 OP Amp Preamp Audio Buffer Amplifier Board

$4.99$2.50

HA-5000 ClassA headphone amplifie bare PCB clone Technica HA5000 L163-55

HA-5000 ClassA headphone amplifie bare PCB clone Technica HA5000 L163-55

$17.99$8.99

KMTech AD823 based 3V Single Supply Headphone Amplifier 55mm x 35mm PCB DIY

KMTech AD823 based 3V Single Supply Headphone Amplifier 55mm x 35mm PCB DIY

$6.21$3.10

Portable Classic 47 Headphone Amplifier Board Kit AMP Module DIY Kit with Case

Portable Classic 47 Headphone Amplifier Board Kit AMP Module DIY Kit with Case

$9.27$4.63

1 Pair Neutrik NMJ6HCD2 1/4" Stereo Phone Jack Switched

1 Pair Neutrik NMJ6HCD2 1/4" Stereo Phone Jack Switched

$4.00$2.00

From OZ Quality 1PC Mini Stereo Headphone Amplifier Circuit Board PCB Amp Pre FP

From OZ Quality 1PC Mini Stereo Headphone Amplifier Circuit Board PCB Amp Pre FP

$4.37$2.19

circuit board COASTER AMP, AKA VALI MINI BUILD YOUR OWN HYBRID HEADPHONE AMP

circuit board COASTER AMP, AKA VALI MINI BUILD YOUR OWN HYBRID HEADPHONE AMP

$12.75$6.38

Headphone Amplifier Board MAX4410 Mini Amp Power Amplifier Preamp R/ NE5532

Headphone Amplifier Board MAX4410 Mini Amp Power Amplifier Preamp R/ NE5532

$3.49$1.75

Portable Headphone Amplifier Board Kit AMP Module Kit For Classic 47 DIY + Case

Portable Headphone Amplifier Board Kit AMP Module Kit For Classic 47 DIY + Case

$5.39$2.69

Technics RS-1500US Reel to Reel Recorder Parting Out Line Out Headphone Amp PCB

Technics RS-1500US Reel to Reel Recorder Parting Out Line Out Headphone Amp PCB

$49.95$24.98

Headphone Amplifier Board Differential Balanced SGM 4812 HIFI Amp Module 150mW

Headphone Amplifier Board Differential Balanced SGM 4812 HIFI Amp Module 150mW

$1.99$0.99

High current LME49710 + BUF03 stereo headphone amplifier /preamp PCB 1piece !

High current LME49710 + BUF03 stereo headphone amplifier /preamp PCB 1piece !

$16.99$8.49

HiFi Effect Class A Headphone Bare Board Gold Plated PCB Base On HA5000 Circuit

HiFi Effect Class A Headphone Bare Board Gold Plated PCB Base On HA5000 Circuit

$15.00$7.50

Hi-End Clone Krell KSA-5 KSA5 Headphone Amplifier Ear Emptying Board PCB DIY

Hi-End Clone Krell KSA-5 KSA5 Headphone Amplifier Ear Emptying Board PCB DIY

$18.00$9.00

2x Gold PCB Pin Ceramic Tube Sockets - 9 pin

2x Gold PCB Pin Ceramic Tube Sockets - 9 pin

$4.00$2.00

RudiStor NX03 MOD Single-End Headphone Amplifie-PCB

RudiStor NX03 MOD Single-End Headphone Amplifie-PCB

$12.22$6.11

4A/10A/20A EMI AC Filter Board For Pre-Amp Audio Amplifier Headphone DIY Kits

4A/10A/20A EMI AC Filter Board For Pre-Amp Audio Amplifier Headphone DIY Kits

$10.33$5.17

Power supply PCB for (KG) Kevin Gilmore KGSSHV-CARBON Electrostatic amp

Power supply PCB for (KG) Kevin Gilmore KGSSHV-CARBON Electrostatic amp

$35.00$17.50

High-end stereo Class A headphone amplifier PCB 1piece !

High-end stereo Class A headphone amplifier PCB 1piece !

$15.99$8.00

2pcs LM3886 HIFI Power Amplifier PCB with Rectifier Filter Power Supply DIY NEW

2pcs LM3886 HIFI Power Amplifier PCB with Rectifier Filter Power Supply DIY NEW

$8.54$4.27

1pc RudiStor NX03 Single-End Headphone Amplifie PCB Board

1pc RudiStor NX03 Single-End Headphone Amplifie PCB Board

$12.22$6.11

Sigma22 Linear Regulated Power Supply PSU kit for Preamp headphone amp /DAC DIY

Sigma22 Linear Regulated Power Supply PSU kit for Preamp headphone amp /DAC DIY

$39.00$19.50

10pcs 1/4" Cliff Phone Jack 6.35 6pin PCB Headphone Audio Tube Amp Guitar Stereo

10pcs 1/4" Cliff Phone Jack 6.35 6pin PCB Headphone Audio Tube Amp Guitar Stereo

$10.00$5.00

OP AMP DIY Removable AC6-18VPCB Module Small Amplifier Circuit NY9

OP AMP DIY Removable AC6-18VPCB Module Small Amplifier Circuit NY9

$11.80$5.90

1pc Yellow RudiStor NX03 Headphone Amplifie-PCB

1pc Yellow RudiStor NX03 Headphone Amplifie-PCB

$9.11$4.55

Audio Mixer Distributor Stereo Signal Selector Switcher Headphones Amplifier

Audio Mixer Distributor Stereo Signal Selector Switcher Headphones Amplifier

$17.46$8.73

Class A Dual Channel Single-ended Headphone AMP Amplifier Board For JHL

Class A Dual Channel Single-ended Headphone AMP Amplifier Board For JHL

$41.43$20.71

LEM-Copy Class A Headphone amplifier clone Lehmann amp PCB[M158a]

LEM-Copy Class A Headphone amplifier clone Lehmann amp PCB[M158a]

$19.74$9.87

Ultra Low Noise linear power supply LPS PSU KIT 5V 9V 12V 15V 18V 24V

Ultra Low Noise linear power supply LPS PSU KIT 5V 9V 12V 15V 18V 24V

$36.00$18.00

Sigma22 Linear Regulated Power Supply Bare PCB Symmetric voltage

Sigma22 Linear Regulated Power Supply Bare PCB Symmetric voltage

$12.00$6.00

2 CH HOOD JLH2003 Stereo Single-ended Class A Power Amplifier Bare PCB 22W+22W

2 CH HOOD JLH2003 Stereo Single-ended Class A Power Amplifier Bare PCB 22W+22W

$8.99$4.50

From OZ Quality 1PC Stereo Headphone Amplifier Circuit Board PCB Mini Amp Pre FP

From OZ Quality 1PC Stereo Headphone Amplifier Circuit Board PCB Mini Amp Pre FP

$16.93$8.46

Balanced to unbalanced stereo pre-amplifier headphone amp low distortion PCB !

Balanced to unbalanced stereo pre-amplifier headphone amp low distortion PCB !

$7.99$4.00

Portable Headphone Amplifier Board Kit AMP Module Kit For Classic 47 DIY + Case

Portable Headphone Amplifier Board Kit AMP Module Kit For Classic 47 DIY + Case

$9.08$4.54

1pc Lahmann Headphone Amplifie PCB Board

1pc Lahmann Headphone Amplifie PCB Board

$12.22$6.11

DIY PCB - ~8 Watt Bias / Opamp Power Supply

DIY PCB - ~8 Watt Bias / Opamp Power Supply

$20.00$10.00

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

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

$55.74$27.87

OP AMP DIY Removable AC6-18VPCB Module Small Amplifier Circuit HAN

OP AMP DIY Removable AC6-18VPCB Module Small Amplifier Circuit HAN

$11.77$5.88

ZEROZONE Finshed Ver JLH Class A 1969 Headphone amplifier PRE AMP board

ZEROZONE Finshed Ver JLH Class A 1969 Headphone amplifier PRE AMP board

$24.99$12.49

Headphone Amplifier Board MAX4410 Mini Amp Power Amplifier Preamp R/ NE5532

Headphone Amplifier Board MAX4410 Mini Amp Power Amplifier Preamp R/ NE5532

$8.89$4.45

6DJ8 Single End Tube Head Phone Amplifier Board Bare PCB for DIY

6DJ8 Single End Tube Head Phone Amplifier Board Bare PCB for DIY

$15.00$7.50

4A/10A/20A EMI AC Filter Board For Pre-Amp Amplifier Headphone DIY Kits

4A/10A/20A EMI AC Filter Board For Pre-Amp Amplifier Headphone DIY Kits

$12.09$6.04

Headphone Amplifier Board MAX4410 Mini Amp Power Amplifier Preamp R/ NE5532

Headphone Amplifier Board MAX4410 Mini Amp Power Amplifier Preamp R/ NE5532

$8.89$4.45

RudiStor NX03 MOFI MOD Single-End Headphone Amplifie-PCB

RudiStor NX03 MOFI MOD Single-End Headphone Amplifie-PCB

$9.11$4.55

Headphone Amplifier Board MAX4410 Mini Amp Power Amplifier Preamp R/ NE5532

Headphone Amplifier Board MAX4410 Mini Amp Power Amplifier Preamp R/ NE5532

$3.32$1.66

HV1 (base on Beyerdynamic A1) HV-1 Headphone amplifier DIY bare PCB[M158a]

HV1 (base on Beyerdynamic A1) HV-1 Headphone amplifier DIY bare PCB[M158a]

$13.32$6.66

1pc TPA6120A Headphone Amplifier Board ALPS Tuning Deluxe Edition AC 15V

1pc TPA6120A Headphone Amplifier Board ALPS Tuning Deluxe Edition AC 15V

$37.03$18.52

Portable Classic 47 Headphone Amplifier Board Kit AMP Module DIY Kit with Case

Portable Classic 47 Headphone Amplifier Board Kit AMP Module DIY Kit with Case

$11.70$5.85

Tube 5687A output headphone amplifier stereo with delay circuit bare PCB !

Tube 5687A output headphone amplifier stereo with delay circuit bare PCB !

$26.99$13.49

TPA6120 Hi-Fi Stereo Headphone Amplifier ±5V to ±15V AMP Audio Amplifier Board

TPA6120 Hi-Fi Stereo Headphone Amplifier ±5V to ±15V AMP Audio Amplifier Board

$6.06$3.03

Pioneer VSX-D814-K Stereo Amplifier Headphone Jack Board Port Jack IO Board

Pioneer VSX-D814-K Stereo Amplifier Headphone Jack Board Port Jack IO Board

$8.95$4.47

Dual Voltage Adjustable Regulator PSU / Linear Power Supply Board For Preamp

Dual Voltage Adjustable Regulator PSU / Linear Power Supply Board For Preamp

$28.99$14.49

Lahmann Headphone Amplifie-DIY KIT & Finished Board

Lahmann Headphone Amplifie-DIY KIT & Finished Board

$35.87$17.93

ES9038 150mW DAC Audio Decoder Headphone Amplifier Board BRZHIFI BZ-KB1

ES9038 150mW DAC Audio Decoder Headphone Amplifier Board BRZHIFI BZ-KB1

$23.85$11.93

HV1 (base on Beyerdynamic A1) HV-1 Headphone amplifier DIY bare PCB /SN1

HV1 (base on Beyerdynamic A1) HV-1 Headphone amplifier DIY bare PCB /SN1

$14.78$7.39

KMTech 12AU7 Tube/MOSFET based 12V Headphone Amplifier v1.01 100 x 35mm PCB DIY

KMTech 12AU7 Tube/MOSFET based 12V Headphone Amplifier v1.01 100 x 35mm PCB DIY

$8.69$4.34

Finished Reference Lehmann Headphone Amplifier HiFi Stereo Home Audio Amp PreAmp

Finished Reference Lehmann Headphone Amplifier HiFi Stereo Home Audio Amp PreAmp

$138.00$69.00

1pc RudiStor NX03 Single-End Headphone Amplifie Finished Board

1pc RudiStor NX03 Single-End Headphone Amplifie Finished Board

$54.33$27.16