TPA3110D2 15W+15W+30W 2.1CH Bluetooth Subwoofer. The TPA3110D2 can drive stereo speakers as low as 4Ω. More than 90% efficient when playing music. 1pcs x TPA3110D2 2.1CH Audio Amplifier Board. The TPA3110D2-Q1 is a 15W (per channel), high-efficiency, Class-D audio power amplifier designed to drive bridged stereo speakers.
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