Great discounts on 15" and 12" sealed THX Certified subwoofers from Monoprice.
Monoprice Monolith M15-S subwoofer – $794.56
https://www.monoprice.c
Monoprice Monolith M12-S subwoofer – $488.58
https://www.monoprice.c
I got free truck shipping for my order.