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30% off
NAIM-MM Fully Discrete MM LP vinyl Phono amplifier Bare PCB Base on NAIM circuit NAIM-MM Fully Discrete MM LP vinyl Phono amplifier Bare PCB Base on NAIM circuit

NAIM-MM Fully Discrete MM LP vinyl Phono amplifier Bare PCB Base on NAIM circuit

$6.29$8.99

5 sold
Gustard H26 Fully Balanced Discrete Class-A Amplifier Preamp Two Gains with 8 pairs Power Transistors Remote Control audirect Gustard H26 Fully Balanced Discrete Class-A Amplifier Preamp Two Gains with 8 pairs Power Transistors Remote Control audirect

Gustard H26 Fully Balanced Discrete Class-A Amplifier Preamp Two Gains with 8 pairs Power Transistors Remote Control audirect

$8328.00$8328.00

30% off
PREAMP 9 Fully discrete preamplifier P9 Single-ended Class A transistor preamplifier Finished board PREAMP 9 Fully discrete preamplifier P9 Single-ended Class A transistor preamplifier Finished board

PREAMP 9 Fully discrete preamplifier P9 Single-ended Class A transistor preamplifier Finished board

$97.95$139.93

2 sold
20% off
TOPPING A90 Discrete High Power Quality Fully Balanced Amp Mobile Phone Headphone Amplifier Pre-stage 4.4 HIFI 6.35mm A90d TOPPING A90 Discrete High Power Quality Fully Balanced Amp Mobile Phone Headphone Amplifier Pre-stage 4.4 HIFI 6.35mm A90d

TOPPING A90 Discrete High Power Quality Fully Balanced Amp Mobile Phone Headphone Amplifier Pre-stage 4.4 HIFI 6.35mm A90d

$4264.00$5330.00

30% off
Cayin RU7 Full Balanced Resistor Networks Discrete 1-Bit DAC Dongle Amplifier with Customized Leather Case Cayin RU7 Full Balanced Resistor Networks Discrete 1-Bit DAC Dongle Amplifier with Customized Leather Case

Cayin RU7 Full Balanced Resistor Networks Discrete 1-Bit DAC Dongle Amplifier with Customized Leather Case

$216.30$309.00

332 sold
Low-noise double-differential full-symmetrical full-complementary discrete component dual op-amp upgrade OPA2604 LME49720 Low-noise double-differential full-symmetrical full-complementary discrete component dual op-amp upgrade OPA2604 LME49720

Low-noise double-differential full-symmetrical full-complementary discrete component dual op-amp upgrade OPA2604 LME49720

$7.57$7.57

11 sold
14% off
Nvarcher SX45A Single Op Amp Chip Replace Opa627 Audio Discrete Component Operational Amplifier HiFi AUDIENCE Preamplifier Nvarcher SX45A Single Op Amp Chip Replace Opa627 Audio Discrete Component Operational Amplifier HiFi AUDIENCE Preamplifier

Nvarcher SX45A Single Op Amp Chip Replace Opa627 Audio Discrete Component Operational Amplifier HiFi AUDIENCE Preamplifier

$14.62$17.00

10 sold
18% off
LIEEWHO Hi-End Fully Discrete For HIFIMAN HM901R U S 802 650 Dedicated AMP.Card LIEEWHO Hi-End Fully Discrete For HIFIMAN HM901R U S 802 650 Dedicated AMP.Card

LIEEWHO Hi-End Fully Discrete For HIFIMAN HM901R U S 802 650 Dedicated AMP.Card

$841.30$1025.97

7 sold
DM1 DYNAMITE Microphone Amplifier Stage Mic Preamplifier Mini Portable 28dB of discrete,Class-A Gain Electronics DM1 DYNAMITE Microphone Amplifier Stage Mic Preamplifier Mini Portable 28dB of discrete,Class-A Gain Electronics

DM1 DYNAMITE Microphone Amplifier Stage Mic Preamplifier Mini Portable 28dB of discrete,Class-A Gain Electronics

$213.01$213.01

3 sold
15% off
S50-MKI Fully Discrete HI-END Linear Power Supply DIY Kit/Finished Board DC 5V --- 24V Optional S50-MKI Fully Discrete HI-END Linear Power Supply DIY Kit/Finished Board DC 5V --- 24V Optional

S50-MKI Fully Discrete HI-END Linear Power Supply DIY Kit/Finished Board DC 5V --- 24V Optional

$50.99$59.99

5 sold
50% off
DM1 DYNAMITE Microphone Amplifier Stage Mic Preamplifier Mini Portable 28dB of discrete,Class-A Gain Electronics DM1 DYNAMITE Microphone Amplifier Stage Mic Preamplifier Mini Portable 28dB of discrete,Class-A Gain Electronics

DM1 DYNAMITE Microphone Amplifier Stage Mic Preamplifier Mini Portable 28dB of discrete,Class-A Gain Electronics

$210.29$420.58

41 sold
Hot Sale SX52B Discrete OP AMP Module Amplifier Balanced Tuning Replaces NE5532 Preamp OPA Board Hot Sale SX52B Discrete OP AMP Module Amplifier Balanced Tuning Replaces NE5532 Preamp OPA Board

Hot Sale SX52B Discrete OP AMP Module Amplifier Balanced Tuning Replaces NE5532 Preamp OPA Board

$20.00$20.00

1 sold
15% off
X1SYM5-3 Stereo Discrete Power amplifier Bare PCB Base on Symasym5-3 Amplifier 200W+200W X1SYM5-3 Stereo Discrete Power amplifier Bare PCB Base on Symasym5-3 Amplifier 200W+200W

X1SYM5-3 Stereo Discrete Power amplifier Bare PCB Base on Symasym5-3 Amplifier 200W+200W

$7.56$8.89

6 sold
14% off
Nvarcher SX45B Double Op Amp Chip Replace NE5532 Audio Discrete Component Operational Amplifier HiFi AUDIENCE Preamplifier Nvarcher SX45B Double Op Amp Chip Replace NE5532 Audio Discrete Component Operational Amplifier HiFi AUDIENCE Preamplifier

Nvarcher SX45B Double Op Amp Chip Replace NE5532 Audio Discrete Component Operational Amplifier HiFi AUDIENCE Preamplifier

$28.98$33.70

20 sold
15% off
S35-MKII Fully Discrete HIFI Linear Power Supply DIY Kit/Finished Board DC 5V --- 24V Optional S35-MKII Fully Discrete HIFI Linear Power Supply DIY Kit/Finished Board DC 5V --- 24V Optional

S35-MKII Fully Discrete HIFI Linear Power Supply DIY Kit/Finished Board DC 5V --- 24V Optional

$30.17$35.49

2 sold
2% off
NvarcherMark JC-2 Ultra Low Distortion Field Tube Fully discrete Class A Warm Sound Preamplifier Board NvarcherMark JC-2 Ultra Low Distortion Field Tube Fully discrete Class A Warm Sound Preamplifier Board

NvarcherMark JC-2 Ultra Low Distortion Field Tube Fully discrete Class A Warm Sound Preamplifier Board

$40.18$41.00

84 sold
10% off
MM/MC moving coil moving magnetic phono amplifier singing low noise vinyl phonograph discrete components class A circuit MM/MC moving coil moving magnetic phono amplifier singing low noise vinyl phonograph discrete components class A circuit

MM/MC moving coil moving magnetic phono amplifier singing low noise vinyl phonograph discrete components class A circuit

$664.20$738.00

14% off
Nvarcher Sigma22 HIFI Ultra Low UV Noise Field Tube Discrete Component DC Voltage Regulator Positive And Negative Servo Power Nvarcher Sigma22 HIFI Ultra Low UV Noise Field Tube Discrete Component DC Voltage Regulator Positive And Negative Servo Power

Nvarcher Sigma22 HIFI Ultra Low UV Noise Field Tube Discrete Component DC Voltage Regulator Positive And Negative Servo Power

$26.66$31.00

11 sold
14% off
Nvarcher 1PCS Full Discrete Single Op Amp/Dual Amp Module Replace OPA2604 MUSES 02 LME49720 Nvarcher 1PCS Full Discrete Single Op Amp/Dual Amp Module Replace OPA2604 MUSES 02 LME49720

Nvarcher 1PCS Full Discrete Single Op Amp/Dual Amp Module Replace OPA2604 MUSES 02 LME49720

$30.10$35.00

12% off
1PCS Full Discrete Single Op Amp/Dual Amp Module Replace OPA2604 MUSES 02 LME49720 1PCS Full Discrete Single Op Amp/Dual Amp Module Replace OPA2604 MUSES 02 LME49720

1PCS Full Discrete Single Op Amp/Dual Amp Module Replace OPA2604 MUSES 02 LME49720

$31.68$36.00

35% off
LIEEWHO Less BX1 Portable Full Discrete Single Hi-Fi Amplifier LIEEWHO Less BX1 Portable Full Discrete Single Hi-Fi Amplifier

LIEEWHO Less BX1 Portable Full Discrete Single Hi-Fi Amplifier

$1472.23$2264.97

2 sold
12% off
LIEEWHO | LessBX2PRO Portable Fully Balanced Discrete Headphone Amplifier.# C9ii cayin，C9 LIEEWHO | LessBX2PRO Portable Fully Balanced Discrete Headphone Amplifier.# C9ii cayin，C9

LIEEWHO | LessBX2PRO Portable Fully Balanced Discrete Headphone Amplifier.# C9ii cayin，C9

$11431.20$12990.00

14% off
Nvarcher 1 PCS SX52B Fully Discrete Dual op-amp Module opa1612 Chip For Pre-amplifiers Audio DAC Headphone AMP Nvarcher 1 PCS SX52B Fully Discrete Dual op-amp Module opa1612 Chip For Pre-amplifiers Audio DAC Headphone AMP

Nvarcher 1 PCS SX52B Fully Discrete Dual op-amp Module opa1612 Chip For Pre-amplifiers Audio DAC Headphone AMP

$16.91$19.66

5 sold
LIEEWHO Less HD8 PortableFull Discrete Single Hi-Fi Amplifier LIEEWHO Less HD8 PortableFull Discrete Single Hi-Fi Amplifier

LIEEWHO Less HD8 PortableFull Discrete Single Hi-Fi Amplifier

$1664.41$1664.41

2 sold
TOPPING A90 Discrete Fully Dirscrete Balanced Headphone Amplifier NFCA 4Pin XLR /4.4 Balanced/6.35mm SE Output Pre-amplifier TOPPING A90 Discrete Fully Dirscrete Balanced Headphone Amplifier NFCA 4Pin XLR /4.4 Balanced/6.35mm SE Output Pre-amplifier

TOPPING A90 Discrete Fully Dirscrete Balanced Headphone Amplifier NFCA 4Pin XLR /4.4 Balanced/6.35mm SE Output Pre-amplifier

$599.00$599.00

6 sold
10% off
LHY Sigma22 fever ultra-low uV noise field transistor discrete component DC stabilized positive and negative servo power board. LHY Sigma22 fever ultra-low uV noise field transistor discrete component DC stabilized positive and negative servo power board.

LHY Sigma22 fever ultra-low uV noise field transistor discrete component DC stabilized positive and negative servo power board.

$159.30$177.00

30% off
NAIM-MM Fully Discrete MM LP vinyl Phono amplifier Bare PCB Base on NAIM circuit NAIM-MM Fully Discrete MM LP vinyl Phono amplifier Bare PCB Base on NAIM circuit

NAIM-MM Fully Discrete MM LP vinyl Phono amplifier Bare PCB Base on NAIM circuit

$6.29 $8.99

5 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
Gustard H26 Fully Balanced Discrete Class-A Amplifier Preamp Two Gains with 8 pairs Power Transistors Remote Control audirect Gustard H26 Fully Balanced Discrete Class-A Amplifier Preamp Two Gains with 8 pairs Power Transistors Remote Control audirect

Gustard H26 Fully Balanced Discrete Class-A Amplifier Preamp Two Gains with 8 pairs Power Transistors Remote Control audirect

$8328.00 $8328.00

Categories: Consumer Electronics, Home Audio & Video

Buy Now
30% off
PREAMP 9 Fully discrete preamplifier P9 Single-ended Class A transistor preamplifier Finished board PREAMP 9 Fully discrete preamplifier P9 Single-ended Class A transistor preamplifier Finished board

PREAMP 9 Fully discrete preamplifier P9 Single-ended Class A transistor preamplifier Finished board

$97.95 $139.93

2 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
20% off
TOPPING A90 Discrete High Power Quality Fully Balanced Amp Mobile Phone Headphone Amplifier Pre-stage 4.4 HIFI 6.35mm A90d TOPPING A90 Discrete High Power Quality Fully Balanced Amp Mobile Phone Headphone Amplifier Pre-stage 4.4 HIFI 6.35mm A90d

TOPPING A90 Discrete High Power Quality Fully Balanced Amp Mobile Phone Headphone Amplifier Pre-stage 4.4 HIFI 6.35mm A90d

$4264.00 $5330.00

Categories: Consumer Electronics, Home Audio & Video

Buy Now
30% off
Cayin RU7 Full Balanced Resistor Networks Discrete 1-Bit DAC Dongle Amplifier with Customized Leather Case Cayin RU7 Full Balanced Resistor Networks Discrete 1-Bit DAC Dongle Amplifier with Customized Leather Case

Cayin RU7 Full Balanced Resistor Networks Discrete 1-Bit DAC Dongle Amplifier with Customized Leather Case

$216.30 $309.00

332 sold

Categories: Consumer Electronics, Portable Audio & Video

Buy Now
Low-noise double-differential full-symmetrical full-complementary discrete component dual op-amp upgrade OPA2604 LME49720 Low-noise double-differential full-symmetrical full-complementary discrete component dual op-amp upgrade OPA2604 LME49720

Low-noise double-differential full-symmetrical full-complementary discrete component dual op-amp upgrade OPA2604 LME49720

$7.57 $7.57

11 sold

Categories: Consumer Electronics, Home Audio & Video

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14% off
Nvarcher SX45A Single Op Amp Chip Replace Opa627 Audio Discrete Component Operational Amplifier HiFi AUDIENCE Preamplifier Nvarcher SX45A Single Op Amp Chip Replace Opa627 Audio Discrete Component Operational Amplifier HiFi AUDIENCE Preamplifier

Nvarcher SX45A Single Op Amp Chip Replace Opa627 Audio Discrete Component Operational Amplifier HiFi AUDIENCE Preamplifier

$14.62 $17.00

10 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
18% off
LIEEWHO Hi-End Fully Discrete For HIFIMAN HM901R U S 802 650 Dedicated AMP.Card LIEEWHO Hi-End Fully Discrete For HIFIMAN HM901R U S 802 650 Dedicated AMP.Card

LIEEWHO Hi-End Fully Discrete For HIFIMAN HM901R U S 802 650 Dedicated AMP.Card

$841.30 $1025.97

7 sold

Categories: Consumer Electronics, Portable Audio & Video

Buy Now
DM1 DYNAMITE Microphone Amplifier Stage Mic Preamplifier Mini Portable 28dB of discrete,Class-A Gain Electronics DM1 DYNAMITE Microphone Amplifier Stage Mic Preamplifier Mini Portable 28dB of discrete,Class-A Gain Electronics

DM1 DYNAMITE Microphone Amplifier Stage Mic Preamplifier Mini Portable 28dB of discrete,Class-A Gain Electronics

$213.01 $213.01

3 sold

Categories: Consumer Electronics, Portable Audio & Video

Buy Now
15% off
S50-MKI Fully Discrete HI-END Linear Power Supply DIY Kit/Finished Board DC 5V --- 24V Optional S50-MKI Fully Discrete HI-END Linear Power Supply DIY Kit/Finished Board DC 5V --- 24V Optional

S50-MKI Fully Discrete HI-END Linear Power Supply DIY Kit/Finished Board DC 5V --- 24V Optional

$50.99 $59.99

5 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
50% off
DM1 DYNAMITE Microphone Amplifier Stage Mic Preamplifier Mini Portable 28dB of discrete,Class-A Gain Electronics DM1 DYNAMITE Microphone Amplifier Stage Mic Preamplifier Mini Portable 28dB of discrete,Class-A Gain Electronics

DM1 DYNAMITE Microphone Amplifier Stage Mic Preamplifier Mini Portable 28dB of discrete,Class-A Gain Electronics

$210.29 $420.58

41 sold

Categories: Consumer Electronics, Portable Audio & Video

Buy Now
Hot Sale SX52B Discrete OP AMP Module Amplifier Balanced Tuning Replaces NE5532 Preamp OPA Board Hot Sale SX52B Discrete OP AMP Module Amplifier Balanced Tuning Replaces NE5532 Preamp OPA Board

Hot Sale SX52B Discrete OP AMP Module Amplifier Balanced Tuning Replaces NE5532 Preamp OPA Board

$20.00 $20.00

1 sold

Categories: Consumer Electronics, Home Audio & Video

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15% off
X1SYM5-3 Stereo Discrete Power amplifier Bare PCB Base on Symasym5-3 Amplifier 200W+200W X1SYM5-3 Stereo Discrete Power amplifier Bare PCB Base on Symasym5-3 Amplifier 200W+200W

X1SYM5-3 Stereo Discrete Power amplifier Bare PCB Base on Symasym5-3 Amplifier 200W+200W

$7.56 $8.89

6 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
14% off
Nvarcher SX45B Double Op Amp Chip Replace NE5532 Audio Discrete Component Operational Amplifier HiFi AUDIENCE Preamplifier Nvarcher SX45B Double Op Amp Chip Replace NE5532 Audio Discrete Component Operational Amplifier HiFi AUDIENCE Preamplifier

Nvarcher SX45B Double Op Amp Chip Replace NE5532 Audio Discrete Component Operational Amplifier HiFi AUDIENCE Preamplifier

$28.98 $33.70

20 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
15% off
S35-MKII Fully Discrete HIFI Linear Power Supply DIY Kit/Finished Board DC 5V --- 24V Optional S35-MKII Fully Discrete HIFI Linear Power Supply DIY Kit/Finished Board DC 5V --- 24V Optional

S35-MKII Fully Discrete HIFI Linear Power Supply DIY Kit/Finished Board DC 5V --- 24V Optional

$30.17 $35.49

2 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
2% off
NvarcherMark JC-2 Ultra Low Distortion Field Tube Fully discrete Class A Warm Sound Preamplifier Board NvarcherMark JC-2 Ultra Low Distortion Field Tube Fully discrete Class A Warm Sound Preamplifier Board

NvarcherMark JC-2 Ultra Low Distortion Field Tube Fully discrete Class A Warm Sound Preamplifier Board

$40.18 $41.00

84 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
10% off
MM/MC moving coil moving magnetic phono amplifier singing low noise vinyl phonograph discrete components class A circuit MM/MC moving coil moving magnetic phono amplifier singing low noise vinyl phonograph discrete components class A circuit

MM/MC moving coil moving magnetic phono amplifier singing low noise vinyl phonograph discrete components class A circuit

$664.20 $738.00

Categories: Consumer Electronics, Home Audio & Video

Buy Now
14% off
Nvarcher Sigma22 HIFI Ultra Low UV Noise Field Tube Discrete Component DC Voltage Regulator Positive And Negative Servo Power Nvarcher Sigma22 HIFI Ultra Low UV Noise Field Tube Discrete Component DC Voltage Regulator Positive And Negative Servo Power

Nvarcher Sigma22 HIFI Ultra Low UV Noise Field Tube Discrete Component DC Voltage Regulator Positive And Negative Servo Power

$26.66 $31.00

11 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
14% off
Nvarcher 1PCS Full Discrete Single Op Amp/Dual Amp Module Replace OPA2604 MUSES 02 LME49720 Nvarcher 1PCS Full Discrete Single Op Amp/Dual Amp Module Replace OPA2604 MUSES 02 LME49720

Nvarcher 1PCS Full Discrete Single Op Amp/Dual Amp Module Replace OPA2604 MUSES 02 LME49720

$30.10 $35.00

Categories: Consumer Electronics, Home Audio & Video

Buy Now
12% off
1PCS Full Discrete Single Op Amp/Dual Amp Module Replace OPA2604 MUSES 02 LME49720 1PCS Full Discrete Single Op Amp/Dual Amp Module Replace OPA2604 MUSES 02 LME49720

1PCS Full Discrete Single Op Amp/Dual Amp Module Replace OPA2604 MUSES 02 LME49720

$31.68 $36.00

Categories: Consumer Electronics, Home Audio & Video

Buy Now
35% off
LIEEWHO Less BX1 Portable Full Discrete Single Hi-Fi Amplifier LIEEWHO Less BX1 Portable Full Discrete Single Hi-Fi Amplifier

LIEEWHO Less BX1 Portable Full Discrete Single Hi-Fi Amplifier

$1472.23 $2264.97

2 sold

Categories: Consumer Electronics, Portable Audio & Video

Buy Now
12% off
LIEEWHO | LessBX2PRO Portable Fully Balanced Discrete Headphone Amplifier.# C9ii cayin，C9 LIEEWHO | LessBX2PRO Portable Fully Balanced Discrete Headphone Amplifier.# C9ii cayin，C9

LIEEWHO | LessBX2PRO Portable Fully Balanced Discrete Headphone Amplifier.# C9ii cayin，C9

$11431.20 $12990.00

Categories: Consumer Electronics, Portable Audio & Video

Buy Now
14% off
Nvarcher 1 PCS SX52B Fully Discrete Dual op-amp Module opa1612 Chip For Pre-amplifiers Audio DAC Headphone AMP Nvarcher 1 PCS SX52B Fully Discrete Dual op-amp Module opa1612 Chip For Pre-amplifiers Audio DAC Headphone AMP

Nvarcher 1 PCS SX52B Fully Discrete Dual op-amp Module opa1612 Chip For Pre-amplifiers Audio DAC Headphone AMP

$16.91 $19.66

5 sold

Categories: Consumer Electronics, Home Audio & Video

Buy Now
LIEEWHO Less HD8 PortableFull Discrete Single Hi-Fi Amplifier LIEEWHO Less HD8 PortableFull Discrete Single Hi-Fi Amplifier

LIEEWHO Less HD8 PortableFull Discrete Single Hi-Fi Amplifier

$1664.41 $1664.41

2 sold

Categories: Consumer Electronics, Portable Audio & Video

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TOPPING A90 Discrete Fully Dirscrete Balanced Headphone Amplifier NFCA 4Pin XLR /4.4 Balanced/6.35mm SE Output Pre-amplifier TOPPING A90 Discrete Fully Dirscrete Balanced Headphone Amplifier NFCA 4Pin XLR /4.4 Balanced/6.35mm SE Output Pre-amplifier

TOPPING A90 Discrete Fully Dirscrete Balanced Headphone Amplifier NFCA 4Pin XLR /4.4 Balanced/6.35mm SE Output Pre-amplifier

$599.00 $599.00

6 sold

Categories: Consumer Electronics, Portable Audio & Video

Buy Now
10% off
LHY Sigma22 fever ultra-low uV noise field transistor discrete component DC stabilized positive and negative servo power board. LHY Sigma22 fever ultra-low uV noise field transistor discrete component DC stabilized positive and negative servo power board.

LHY Sigma22 fever ultra-low uV noise field transistor discrete component DC stabilized positive and negative servo power board.

$159.30 $177.00

Categories: Consumer Electronics, Home Audio & Video

Buy Now