A true "wave box" is like a Bose system. For an auto application the only real application would be a truck or a van. A real transmission line enlcosure is HUGE. AS far as I know I still hold the record for under 100 watts since 1999. 1 -12" Cerwin Vega Stroker 147.9 AudioControl meter in a 23^3 foot enclosure, res. freq. 66-67hz

Les thinks he came up with this "Wave-Box" program... it's been here longer than he's been alive...