Hexagon Wireless Bluetooth Speaker

This is an easy-to-build all-in-one hexagon wireless bluetooth speaker. The size of the speaker is 9x15.5x18cm. The PCB is an all-in-one board, which includes bluetooth, FM radio, USB thumb drive/MicroSD card MP3 playback and 50W (max) power output. The USB jack can work also as USB DAC to connect with PC.

List of material :

3” full range speaker driver
Sanwu HF183 Amplifier PCB (works with 12-24V DC input)
DC jack
Sound-absorbing cotton
3D printed speaker case

The installation i