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HW-404 Audio Amplifier TPA3116D2 Digital Stereo Power Amplifier 15W+15W 2.0 Channel Amplifier Module MP3 Power Amplifier Board

2*50W Bluetooth Digital Power Audio Amplifier Board 2.0 Ch Stereo Home Theater Music Wireless Module Audio Amplifier AUX USB

9V Digital Bluetooth Stereo Amplifier Board Dual Microphone Karaoke Amplifiers 80w for 6-12 Inch Speaker 7.4V Battery

K4-450 Portable Karaoke Stereo 4 channel 450W HF Class D Digital Professional Audio Amplifier

ST-838 Home Theater Amplifiers HiFi 2.1 Channel Power Amplifier Stereo Bass Sound Car Home Amp Media Player Subwoofer Amplifier

AED7-50Wx2+100W Stereo Dual Channel Amplifier Board TPA3116 Class D 2.1 Channel Audio Amplifier Module 4Ω 50W 8Ω 30W 2Ω 100W

XH-M543 TPA3116 D2 2*120W Dual Channel Digital Stereo Audio Power Amplifier Board High Power DIY 240W Amplificador Sound Board

TPA3221 Pure Rear Stage Digital Power Amplifier Board Stereo Audio Amp DC 10-30V 200W AMP Bridged Mono Subwoofer Speaker

1600W Peak Power HiFi Sound Amplifier Digital 4 Channel Audio Amplifier Bluetooth Karaoke Player FM Radio Support Remote Control