• $25.09
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  • Ships from China.
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    ZK-MT21 Bluetooth 2.1 Channel Amplifier Board, Digital Audio Power Amp Module with Subwoofer Bass Output

    • Integrated Bluetooth audio receiver, stable wireless audio connection for phones, tablets and computers
    • Standard 2.1 channel design: left + right stereo channels plus independent subwoofer bass output
    • Built-in bass adjustment potentiometer to customize low-frequency effect for heavy bass enthusiasts
    • High-efficiency power amplifier circuit, low heat generation, stable long-time playback performance
    • Compact circuit layout, easy to install for DIY speakers, car audio and home small sound systems
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    ZK-MT21 is a 2.1 channel Bluetooth power amplifier board integrating wireless audio receiving and power amplification functions. It delivers separate stereo sound and independent subwoofer channel to build a complete bass audio system. The onboard adjustable knob allows flexible tuning of bass intensity according to different speakers. With reliable Bluetooth 5.0 compatible transmission, it supports lossless audio playback without tangled audio cables. Suitable for modifying desktop speakers, vehicle audio equipment and homemade small home theater sound boxes. Power supply, speakers and subwoofer are not included.



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