Thingiverse
Bluetooth any speaker using this cheap sanwu bluetooth amplifier module by redesign3dp
by Thingiverse
Last crawled date: 4 years, 11 months ago
Build a cheap, reliable, rechargeable, and portable Bluetooth speaker. For best sound use a full range speaker (low, mid, high.) I found mine at a local thrift store for practically pennies. Plug in a guitar effects board and you have a great sounding amp.