ZK-AS21 TPA3255 2.1CH Bluetooth Digital Audio Power Amplifier Board 220WX2+350W

ZK-AS21 2.1CH TPA3255 Bluetooth Digital Audio Power Amplifier Board 220WX2+350W

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TPA3251 2*220W+350W Bluetooth Power Amplifier Board 2.1 Ch Class D Subwoofer

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HT22 Bluetooth 5.1 Power Amplifier Module 2.1CH 160WX2+220W TDA7498E Subwoofer