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3 Channel Digital Subwoofer Amplifier Board B3 Pro - LiPo Battery Charger Build your own intelligent3 Channel Digital Subwoofer Amplifier Board Build powerful, room filling audio systems with this 3 Channel Digital Subwoofer Amplifier Board. Designed for high efficiency Class D amplification, this board delivers dedicated subwoofer output alongside two full range stereo channels ideal for creating 2. 1 speaker setups, home theater systems, portable Bluetooth speakers, and custom audio projects. Available now from The Engineer Store, Bengaluru, with
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