fiberglass box with a ta2020 based chip amplifier inside wired 2 a 12 volt battery nd some 4 ohm 25 watt speakers but the box is shaped like a backpack ndwill have custom straps
Running EL wire through a trench coat and gas mask. I'm wiring it to a blue tooth receiver that I can control with my cellphone, and make it lite up in different patterns and timings.