XH-M164 NE5532 Stereo Pre-amp Preamplifier Tone Board Audio 4 Channels Amplifier Module 4CH CH Control Circuit Telephone Preamp

XH-A901 Digital Power Amp Board with Tone Control and Bass/Treble Adjustment

XY S220H Bluetooth Amplifier Board 2.1 Channel TPA7498 Chip 160Wx2 Plus 220W Digital Power

DX040 2.0 Channel Audio Stereo Amplifier Board DC 12V

Xh-M577 Digital Power Amplifier Board Tpa3116D2 Audio Amplifier Board 12-24V Op Amp High Power Tone Board 80Wx2 Two Vocal Tract

2.1Channel 240W High Power Subwoofer Audio Amplifier Board Dual AC2226V

ZK-1602T TDA7498E Bluetooth 5.0 Subwoofer Amplifier Board 2*100W 2.0 Channel High Power USB Audio Stereo Amplifier Board AMP

Electronic Tube 6J1 DIY Preamplifier Kit Pre-Amplifier

2.1 Subwoofer Power Amplifier Board 240W High Power 3 Channel Audio Amplifier Board

HIFI Digital Power Amplifier Board Professional 2.0 Channel Class D Stereo Sound 600W TPA3255

TDA7498E Bluetooth Amplifier Board 160W×2 220W Subwoofer 2.1 Channel Audio Receiver Power Amplifier Module With Treble And Bass Control For DIY

SUB-002 Subwoofer Power Amplifier Board 22Hz-300Hz 1 Channel Mono Audio Sound Amplifier Dual DC-12V

Class Ab Digital Power Hifi Car Amplifier Audio Board Tda7377 Dc9-18V 30W for 4-8 Ohm Speaker

Tone Board A3 Class A HiFi Preamp 4 Knobs Digital Sound Remover Module Control Components

HIFI OPAMP Amplifier NE5532 Preamplifier Volume Tone Control Assembled Board

100W Digital Power Amplifier Board TDA7294 High Power Dual 12-32V Single Channel Audio Amplifier Module for DIY Speaker

2*15W Dual Channel Amplifier Board CS8655E Audio Power Amp Digital AMP HiFi Stereo Max 20W Amplifier Class D Low Distortion

Audio Speaker High And Low Frequency Two-Way Sound Quality Improvement Tool Speaker Frequency Divider

Kebidu 2*120W 2*30W 2*20W Dual-channel Digital Audio Power Amplifier Board HD Stereo High Power Amplifiers Class D Amplificador

6W+6W+25W Hifi Class D Digital Power Amplifier Module Tda1517P 2.1 Super Bass Mini Micro 3 Ch Power Amplifier Board

100W Bluetooth 5.0 Digital Power Amplifier Board AUX Speaker 2.0 CH Stereo Home Music Wireless Module Audio AMP