ZK-MT21 Bluetooth 5.0 Subwoofer Amplifier Board ($12.74)

Buy now for $12.74 – lowest price on Banggood. Updated: 28-01-2026.

ZK-MT21 bluetooth 5.0 Subwoofer Amplifier Board 50WX2+100W 2.1 Channel Power Audio Stereo Amplifier Tone Board Bass AMP AUX
Banggood warehouse: China.

Price: $12.74

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