The Colossus 18XB is intended for use as a high-output sub-bass driver either singly or in multiway systems. The unit features a 4-inch voice coil immersed in a symmetric magnetic field and centralized by using two suspensions in a dual arrangement to maintain ultra linearity and stability at high excursions. The heavily ribbed straight-sided paper cone membrane is reinforced with highstrength...
Optoma DK-SW50 50W Subwoofer. This Dolcen Kreiling 50W subwoofer is the perfect compliment to your home theater system. Featuring Digital Dynamic Bass Boost and up to 200 Hz response bandwidth, this subwoofer takes audio to another level.