HT21MAX upgraded 2.1-channel Bluetooth amplifier board 200W * 2+400W high and low frequency adjustment TPA3223

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XY-S350H 220Wx2+350W Amplifier Board TPA3251D2 2.1 Dual Channel Support Sinlink App BT5.1+AUX+USB Sound Card+USB Flash Disk

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AS21HPA High power Bluetooth digital amplifier 2.1 channel heavy bass 300W*2+600W imported TPA3255

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XY-AS21HPA Bluetooth High-Power Digital Amplifier Board 2.1 Channel Subwoofer 300W*2+600W Dual TPA3255 Amplificador

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