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

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

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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