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Amazon.com: SEEU. AGAIN Bluetooth Board,Audio Receiver Module DC 5V-24V Portable Electronics Stereo Music Receive Circuit Chip with Micro USB Port 3.5mm Jack Headphone Speaker Home Sound System DIY : Electronics
ERH India Combo of PAM8403 with Bluetooth Stereo Audio Receiver and Charger Module Micro USB 5V 1A Lithium Battery Charging Converter DIY Kit : Amazon.in: Electronics
1pcs DIY Bluetooth Control Panel Module Pressure 80V PCBA Audio Panel Program for Balance car : Amazon.ca: Industrial & Scientific
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Amazon.com: UWAYKEY Mini Bluetooth Amplifier Board Class D AMP Module for DIY Wireless Speaker : Electronics
Amazon.com: MakerHawk 2pcs Bluetooth Audio Receiver Board BT 5.0 Stereo Audio Amplifier 3.7-5V Car Speaker Amplifier for DIY : Electronics
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Amazon.com: Beaster DC 3.7V 5V 5W Digital Audio Amplifier Board Dual Plate DIY Bluetooth Speaker Modification Sound Music Module Micro USB : Electronics
DIY 2x3W Multi-Function Bluetooth Wireless Small Power Amplifier Speaker Kit with MP3 AUX Radio Function DIY Kit : Amazon.ca: Electronics