DIY BoomBox MP3 USB SD FM BlueTooth etc make your self plywood
EPS, PDF, DXF cnc cut plans
420mm long 200mm d 200mm high 76mm speaker 130mm right side woofer PAM8610 amp or simillar 2-3S 18560 2200mA 3,7v 15, 18, 6 mm plywood or difr
4 x 6mm M6 threaded rod + several nuts m6 no glue need about 7kg