Mobile Bluetooth Speaker

Self build Bluetooth speaker with great bass through passive radiators. Also very loud without any distortion. Battery life of 12h + on medium volume. 3 hidden buttons on the top of the speaker. Made out of 11 layers of plywood which are glued togehter.

Parts I used:

Speakers: Faital Pro 3FE25

Passive radiators: https://www.etsy.com/listing/250146898/70mm-samsun...

Amplifier: TSA2110A from TinySine http://www.tinyosshop.com/index.php?route=product/...

2200 mAh Li-ion Akku 12v