｀20W Bluetooth 5.0 5V 2.1 Channel Stereo Amplifier Digital AMP Board Module

Maximum power: 20W. Bluetooth: 5.0. 1 Module. Woofer: Choose 3 - 4 Ω 10W-15W Woofer. Never use 6 Ω or 8 Ω woofer.

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