TA7668 tape recorder head preamplifier board with permanent magnet recording fun

$12.02

Dual NE5532 OPA1612 preamplifier audio signal amplification external single powe

$7.56

4-way 6-way 12-way input 2 output multi-functional remote control audio source s

$20.95

USA-BO502 cannon controller fever effect ultra-bass tone board home video concer

$63.35

29-step full-range diffusion panel diffuser sound-absorbing panel sound insulati

$41.70

FM155 FM255 audiophile operational amplifier for preamplifier and decoder fantas

$60.00

KTV karaoke preamp digital reverberation board guitar instrument microphone ampl

$42.15

Tube front stage vocal imitation Malan M7 tube preamplifier fever amplifier DIY

$19.83

PCI-E upgrade card PU001 GOLD full height half height universal fever PC-HIFI so

$46.61

hifi tube preamp reference M7 preamp fever tube DIY kit preamplifier finished bo

$26.53

HIFI audiophile grade AD828 tone board with superior effect to NE5532 single pow

$6.22

HIFI audiophile tone board NE5532 front board power amplifier front board parts

$6.22

hifi audiophile grade LM1036 tone board single power amplifier preamplifier fron

$9.01

Upgraded version of Fever 6j3 tube preamp tone board HIFI Class A pre-buffer amp

$14.93

Refer to the Golden Throat C3850 preamplifier circuit kit fully balanced input a

$57.32

Home TV mobile phone karaoke singing microphone microphone amplification reverb

$28.54

MZTRS passive mixing board fever balanced preamplifier volume control switching

$82.31

Refer to the American PASSA5 field effect tube pure Class A power amplifier boar

$13.59

DRV134 unbalanced to balanced preamp board dual channel can be equipped with dif

$7.56

Stereo headphone audio active splitter audio source music one in two out one in

$14.93

Audio power amplifier preamplifier dual op amp chip DC single power supply can b

$6.00

CD2399 Microphone Reverberation Board Karaoke Module Single Power Supply DC Powe

$3.21

Super bass board subwoofer pre-stage low-pass filter board dual NE5532 single po

$6.00

Mono 2-way audio signal input mixing board module NE5532 TDA1308 suitable for mi

$3.99

BBE tone board preamp XR1075 chip exciter sound effect processing improves high

$5.78

Microphone amplifier module Sound module MIC module Microphone module MAX9812H p

$3.99

XR1075BBE new tone board power amplifier pre-amplifier sound module improves hig

$4.88

JRC2150 tone board preamp signal BBE sound effect exciter improves high and low

$4.66

Audio signal switcher board with RAC rosette and 0 5 meter length of cable

$5.00

BA3884F tone board preamp signal BBE sound effect exciter DIY module improves hi

$5.78

4-channel mono audio signal input mixing board module suitable for microphone vo

$4.44

LM1036N tone board with NE5532 preamplifier high and low bass adjustment single

$10.24

NE5532 mixer audio mixing board with BBE sound effects processing JRC2150 improv

$9.79

Vinyl record player MM MC cartridge phono amplifier board preamplifier board NE5

$3.21

NE5532 stereo source four-way mixer audio signal mixing board single power suppl

$7.12

LM1036 JRC2150BBE audiophile-grade tone board with high and low bass effect beau

$13.14

BA3121 two-channel common ground noise isolation module is suitable for use in a

$2.76

HIFI audiophile grade NE5532 tone board high and low midrange adjustment potenti

$5.55

DRV134 unbalanced to balanced preamp board two-channel dual-channel differential

$7.12

BA3884 tone board preamp signal BBE sound effect exciter improves high and low b

$6.89