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2 x 50W Class D Bluetooth Audio Amplifier Board - TSA3118
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Dido Bluetooth 5.0 Power Amplifier Digital 2.1 Channel Audio Amplifier Board DC 12-24V Stereo Sound Amp Module - Walmart.com
Dayton Audio KAB-23 aptX HD Bluetooth 5.0 Receiver Audio Amplifier Board 2 x 3W 5 to 21 VDC
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Bluetooth Audio Amplifier Board with 2 x 100W + 200W 2.1 Channels – TSA7500 – Oz Robotics
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