NEW DIY Kits 100W*2 High Power OCL Two Channel Amplifier Board Module Electronic

4-way RCA Audio Input Signal Selector Switching Rotary switching for Amplifiers

DIY Kit JLH 1969 Class A HIFI Amplifier Board MOT/2N3055 Golden Quality PCB

UPC1237 30A Audio Amplifier Speaker Protection Board with Power Integrated AC 85

Amplifier NE5532 Preamp Preamplifier Volume Tone Control Finished Pre AMP Board

UPC1237 30A Audio Amplifier Speaker Protection Board with Power Integrated AC 85

1PCS NE5532 Digital Amplifiers Board Tone board Preamp Pre-amp With Treble Bass

NE5532 Amplifier Tone Preamp Board Treble Bass Midrange Volume Tone Control NEW