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
Audiopipe
Pair of Gravity Warzone 15 Inch 7000 Watt Car Audio Subwoofer w/ 4 Ohm DVC Power (2 Woofers)
Gravity
Harmony Audio Universal Car Stereo Vented Port Dual 15" Kicker Bundle Comp C15 Sub Box Enclosure & Harmony HA-A1500.1 Amp
Harmony Audio
KICKER 43CVR152 COMPVR 15" 1000 Watt DVC 2-Ohm Car Audio Subwoofer Sub CVR15-2
KICKER