I finally finished my Isetta in a tactical case build. The box is from Harbor Freight and roughly matched the Isetta inter dimension specs. All parts are the same as the Isetta build list including the Tangband 5-1/4” Sub, Fountek 3” full range speakers enclosed in a plywood box, 3116 amp, 1-1/2”x10-1/2” port tube & notch filter. It’s powered by a 6Ah lifepo4 12v battery. I also added a USB charging port with voltage display. It took a lot of cutting and I butchered up the box pretty bad bun I am very happy with the way it turned out.