Boom-in-Boxes

A 20–30 kg boom box built from 13 mm plywood with 6x9" JBL speakers, inspired by aircraft black boxes and in use from 2012 to 2019.

Building a battery-powered speaker inside an empty wine box for the Peace and Love festival in 2011, where car batteries weren’t allowed.

The first homemade boom box from 2011: old Volvo car speakers, a car battery and an amplifier in a plastic box, built to be cheap and loud.