Small 2x3watt Bluetooth speaker DIY

Homemade Bluetooth speaker with nice bass:

I have come before you with this simple in design, easy to build, matte black painted mini Bluetooth speaker. Speakers used are amazingly sensitive 55mm small drivers with 40mmx70mm passive bass radiators. Li-ion battery charging board was previously set to 5 Volt output. Tiny Bluetooth receiver board had no led status indicator, so, I connected the blue led to directly with the power supply.
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55mm speaker full bass loud 8ohm 15W 2 PCS, PAM8403 module Super digital amplifier board 2 * 3W Class D digital amplifier board, 5V Bluetooth Audio Module Bluetooth Mono Receiver, 3.7V 4.2V Lithium Li-ion 18650 Battery Charger Board DC-DC Step Up, Li-ion 18650 3.7v 2600mah Battery Real Capacity, 40x70mm DIY Bass Speaker Low-Frequency Radiator Vibration Plate Passive Woofer, Easy, cheap and affordable project, Homemade, wood working, micro boombox speaker

Видео Small 2x3watt Bluetooth speaker DIY канала ZA Projects