2.0 Channel Car DIY Digital Bluetooth Subwoofer Amplifier Board 4-8Ω 50W+50W Stereo Amplifier Board AUX Car Audio DC9-24V/3A

2.0 Channel Car DIY Digital Bluetooth Subwoofer Amplifier Board 4-8Ω 50W+50W Stereo Amplifier Board AUX Car Audio DC9-24V/3A

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