Xy-St21pro Digital Amplifier Board 2.1 Channel 100Wx2+200W Subwoofer Amplifier Board Tpa3221 Exceeds 3116 4713955634874

Xy-St21pro Digital Amplifier Board 2.1 Channel 100Wx2+200W Subwoofer Amplifier Board Tpa3221 Exceeds 3116 4713955634874

The digital amplifier board uses two TPA3221 amplifier chips, which are high-performance, low-power, high-definition sound quality and comprehensive...

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