2SC5200+2SA1943 Power Amplifier Board 100W Amp Speaker Circuit Protection Board

1943/5200 2.0 Channel Digital Amplifier Board DC24-32V Strong High Power 150W+ 150W Audio Digital Amplifier Board

Tda7379 Power Audio Amplifier Chip Module Dc9-17.5V 39W X 39W High-Power Pre Amp Ne5532 Audio Preamplifier

XH-A902 NE5532 Op-Amp Module: 5x Wide Voltage Preamplifier & Tone Board

Digital Power Amplifier Board 80W+80W+100W 2.1 Channel Power Amplifier Board for DIY Speakers

Filter Board Negative Positive Rectifier Op Amp Dual Power Voltage Regulator 12V 470uF

Upgraded VU Meter Warm Back Light with Driver Board Power-Supply 35mm Easy Installation for DIY Quality Plastics Made

Bluetooth 5.0 2*5W Amplifier Board AUX O Input Power Amplifier Board 3.7V 5V

3 Parallel Amplifier Board Mono Audio Receiver Power Amplification Module 255W TDA7293

Single Supply Low Pass Filter Board Subwoofer Preamp Board 2.1 Channel Dc10-30V

4 Ohms 3W Mono Bluetooth Power Amplifier 3.7V Lithium Battery Bluetooth Module Diy Wireless Speaker Bt Amplifier Board

2x600W Power Amplifier Board 2CH Rear Level Power Amplifier Module for Various Applications Double AC24-35V AD600W Max

OP-AMP Tone Control Board Volume Control Amplifier Module Electronic Components

SUB250W HiFi O Amplifier Board 4558 Op Amp AC22-26V for Enthusiasts Replacement Home Theater Speaker

IRS2092S 500W Mono Channel Igital Amplifier Class Stage HIFI Power Amp Board with Fan

1Pc 8469 5V Bluetooth Amplifier Module Pam8403 Amplifier+Ca-6928 5.0 Bluetooth D Audio Amplifier Module

BY08 2.0-Channel Audio Stereo Board DC 12V-24V

TDA7297 Power Amplifier Board 2.0, Green, Noiseless AC/DC 12V Finished Board

PT2399 Digital Microphone Amplifier Board Karaoke Reverberation Board Karaoke OK Amplifier Module Dual AC12V Electronic DIY PCB

TPA3116D2 120W+120W Dual Channel Bluetooth Digital Audio Power Amplifier Board

LM317 LM337 Voltage Regulator Module Adjustable Stabilized Board Power Supply AC10?24V Input