As far as Sub woofer Drivers go, I'm running 4 10" Linear Power / Blues Car Audio ISO-Kits ...
That would be 4 10's Isoberic in separate tuned enclosures ...
![](http://carphotos.cardomain.com/ride_images/3/482/1921/26203460046_medium.jpg)
This is also considered as a "Blow thru" / "TLine" style enclosure setup ported and tuned to 22 htz for Sound Quality Competition ...