Acoustivision converts rear window into sub-woofer | Car Advice …
Magna International, a large automotive supplies company that provides a number of Original Equipment Manufacturer components to a range of car companies, has come up with a revolutionary new speaker design that converts the rear ... I guess this would probably mean that all windows could be turned into speakers but I assume they would be poor at anything much above mid frequencies. I also wonder if the sound quality wouldn't degrade over time as the car gets looser. ...
