5、High Performance: The BT amplifier board 2.1 channel, BT 5.0, subwoofer, high power, stereo, suitable for 15‑100W, 4‑8Ω speakers. Item Type: Power Amplifier Board. 1、Input and Output: The power amplifier board supports AUX+BT sound source input, and supports subwoofer + left and right channel output.
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