You might want to read some user feedback before investing any energy into this product line. Any published 'specs' would be as suspect as their sonic pedigree.
The concensus is it's **** and a scam.
"anyone who writes that these things sound fine is either making money off of them, a scam victim seeking to pawn off his folly on someone else, or they need to have a root canal performed on their ears."
"If you get approached by people trying to sell you this stuff, take some pictures of them , get a plate # , and call your local police and local news.
Do a search for white van speakers , you'll find some interesting reviews ..
Don't get Scammed ! Brands sold out of white speaker vans or suv
Acoustic Image, Acoustic Lab Technology
Digital Dogg Audio
Genesis Media Labs
Digital Pro Audio
Digital Audio Professional Speaker Systems,
Digital Audio Skyline
Matrix Audio Concepts
Millennium Theater Systems (MTS)