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SSM2142 unbalanced single-ended signal input to balanced signal output finished board dual op amp pre-stage HIFICheck Product

SSM2142 unbalanced single-ende...

$14.93
Audiophile-grade two-channel preamplifier HIFI tone board NE5532 OPA2604 operational amplifier power amplifier preamplifier 2 0 moduleCheck Product

Audiophile-grade two-channel p...

$8.57
Preamp electronic two-way crossover high and low frequency crossover electronic crossover crossover board finished product kit 5532Check Product

Preamp electronic two-way cros...

$12.02
Warm and good-sounding audiophile grade 6J1 tube preamplifier 6J2 tube amplifier effector dual 12V ACCheck Product

Warm and good-sounding audioph...

$10.46
Fever symmetrical golden throat circuit discrete component power amplifier voltage amplification push board monophonic power amplifier board balanceCheck Product

Fever symmetrical golden throa...

$4.66
Reference Gaowen 4 pairs of tubes four pairs of tubes gold sealed mono audio amplifier board empty boardCheck Product

Reference Gaowen 4 pairs of tu...

$5.33
Classic TDA7294 power amplifier board DIY parts kit 200W audio power amplifier board PCB dual channel HIFICheck Product

Classic TDA7294 power amplifie...

$11.80
3 pairs of tube full field effect mono amplifier board supports irfp9240 240 k1529j 200 etc.Check Product

3 pairs of tube full field eff...

$5.33
AD828 tone board HIFI audiophile-level effect exceeds NE5532 single power supply 2023 improved versionCheck Product

AD828 tone board HIFI audiophi...

$6.00
2sk176 2sj56 two pairs of tube full field effect mono amplifier boardCheck Product

2sk176 2sj56 two pairs of tube...

$5.33
2sk176 2sj56 pair of tube full field effect stereo channel power amplifier boardCheck Product

2sk176 2sj56 pair of tube full...

$5.33
Reference MBL6010 circuit power amplifier pre-buffered Class A op amp tuning board amplified fidelity tuning boardCheck Product

Reference MBL6010 circuit powe...

$13.14
hifi audiophile speaker amplifier tone board high and low bass balance adjustment module diy audio front panelCheck Product

hifi audiophile speaker amplif...

$8.12
Car HIFI power amplifier single-ended non-transition balanced op amp board car modified RCA output low-level 4-way preamplifierCheck Product

Car HIFI power amplifier singl...

$51.07
Microphone pickup module high-fidelity components noise reduction microphone amplifier board high-sensitivity microphone amplifier kitCheck Product

Microphone pickup module high-...

$2.54
HIFI发烧级音响箱功放前级音调板模块AD828交直流单电源12V前置板Check Product

HIFI发烧级音响箱功放前级音调板模块AD828交直流单电源...

$6.40
发烧级单电源低通滤波前级板 超低音炮音调板HI-FI低通电路板5532Check Product

发烧级单电源低通滤波前级板 超低音炮音调板HI-FI低通电路...

$5.33
UPC1892CT音响音箱音调板高低音平衡调节板NE5532功放前级放大板Check Product

UPC1892CT音响音箱音调板高低音平衡调节板NE5532...

$10.35
hifi发烧音响音调板功放前级放大板UPC1892CT NE5532单电源前置板Check Product

hifi发烧音响音调板功放前级放大板UPC1892CT NE...

$9.90
发烧音响AD828音调板hifi音箱功放前级放大板diy高中低音调节模块Check Product

发烧音响AD828音调板hifi音箱功放前级放大板diy高中...

$6.33
单电源10-24V超重低音炮前级板前置成品板低通滤波板低频非功放板Check Product

单电源10-24V超重低音炮前级板前置成品板低通滤波板低频非...

$5.33
MBL6010 功放前级成品板 运放前级成品板 运放前级PCB空板Check Product

MBL6010 功放前级成品板 运放前级成品板 运放前级PC...

$17.60
发烧参考美国马克前级电路板双声道 单端平衡输出单端平衡转换Check Product

发烧参考美国马克前级电路板双声道 单端平衡输出单端平衡转换...

$5.33
可换模块功放3对管三对管单声道发烧功放板镜像对称金封塑封通用Check Product

可换模块功放3对管三对管单声道发烧功放板镜像对称金封塑封通用...

$5.33
一分十多路输出音频音乐分配器10路耳放立体声耳机放大器一拖多Check Product

一分十多路输出音频音乐分配器10路耳放立体声耳机放大器一拖多...

$22.29
立体声四路输入二路输出音频混合有源音源混音器四合二四进二出Check Product

立体声四路输入二路输出音频混合有源音源混音器四合二四进二出...

$10.69
两路音频混音放大电路板 立体声双音源声音二合一混音器一路输出Check Product

两路音频混音放大电路板 立体声双音源声音二合一混音器一路输出...

$8.68
二进二出混音器二路输出两路音频混音放大电路板立体声双音源声音Check Product

二进二出混音器二路输出两路音频混音放大电路板立体声双音源声音...

$9.79
无源立体声音源四路输入混音器音电路板混频四进一出四合一混音器Check Product

无源立体声音源四路输入混音器音电路板混频四进一出四合一混音器...

$7.34
管道漏水测听仪便携式家用自来水管检修判断漏点声音放大器Check Product

管道漏水测听仪便携式家用自来水管检修判断漏点声音放大器...

$13.14
Refer to Italian Aige feedback op amp phono amplifier MM phono amplifier board PCB finished productCheck Product

Refer to Italian Aige feedback...

$6.89
Two-channel pair of tubes ATC Dynaudio speakers promote special gold-sealed field effect reference Gaowen power amplifier boardCheck Product

Two-channel pair of tubes ATC ...

$5.33
Refer to Swiss FM mono-channel gold-sealed tube fever amplifier board with rectifier filterCheck Product

Refer to Swiss FM mono-channel...

$5.33
DC single power supply 9V-32V low-pass filter board subwoofer preamp board with amplification and phase adjustmentCheck Product

DC single power supply 9V-32V ...

$7.79
Karaoke board PT2399 reverberation board M65831 microphone board with AD828 preamplification effect super NE5532Check Product

Karaoke board PT2399 reverbera...

$8.01
Audiophile HIFI NE5532 OP-AMP preamplifier volume EQ sound control board finished DIY audioCheck Product

Audiophile HIFI NE5532 OP-AMP ...

$6.22
Car power amplifier board elimination board BA3121 common ground noise cancellation board car computer power amplifier board forCheck Product

Car power amplifier board elim...

$3.32
Can be matched with differential input amplifier for dual power supply DRV134 unbalanced to balanced board moduleCheck Product

Can be matched with differenti...

$6.00
XH-M802 Passive tuning board front board front board tone board high and bass adjustment HIFI audiophile grade finished productCheck Product

XH-M802 Passive tuning board f...

$3.21
PT2399 microphone reverberation board karaoke reverberation board DC 6-15V effect super M65831Check Product

PT2399 microphone reverberatio...

$3.77