21 of the Top Subwoofers for a Thumping Home Theater Sound System
Definitive Technology In-Wall Reference
Definitive Technology’s IW Sub Reference features an active 13-inch driver augmented by a 13-inch bass radiator. The company states the sub is capable of installing into new construction and retrofit home environments. The companion outboard SubAmp 600 powers up to two subwoofers, and it provides front-panel controls.
