Polk Audio DSW PRO 440 8" 180W Subwoofer (Black) DSWPRO440 B&H
HTS 10 Subwoofer - 10" 200W Woofer | Polk Audio
Pyle PLPW8D 8In 800W Car Audio Subwoofer Sub Power Woofer DVC 4 Ohm, Black - Walmart.com
Polk Audio HTS 12 (Washed Black Walnut) Powered subwoofer at Crutchfield
BOSS Audio Systems CXX104DVC Chaos Extreme Series 10 Inch Car Audio Subwoofer - 1000 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck Boxes and Enclosures, Hook Up To Amplifier
Polk Audio 12" 200W Powered Subwoofer Black Washed Walnut HTS12 SUB BLK - Best Buy
Amazon.com: Audiopipe TXX-BDC4-15D2 Subwoofer Quad Stack 15-inch 2,800 Watt High Performance Powerful Dual 2 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black : Electronics
DB842 DVC 8" Subwoofer | Car & Marine | Polk Audio