Amazon.com: Massive Audio SUMMOXL154-15 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 15" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: DS18 EXL-XX15.2DHE 15” High Excursion Car Subwoofer 4000 Watts Dual Voice Coil 2+2 Ohms (1 Speaker) : Everything Else
Amazon.com: AudioPipe TXX-BDC4-15D 15 Inch 2,800 Watt High Performance Powerful Dual 2 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black : Electronics
Amazon.com: New American Bass Xd1522 15 Inch Dual 2 Ohm Subwoofer Car Audio Sub 15" : Electronics
Amazon.com: Rockville 1500w 15" Raw DJ Subwoofer 4 Ohm Sub Woofer 70OZ Magnet, 15 inch (RVW1500P4) : Electronics
Amazon.com: Skar Audio EVL-15 D2 15" 2500 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Amazon.com: Rockville RVW1500P8 1500w 15" Raw DJ Subwoofer 8 Ohm Sub Woofer 70OZ Magnet : Electronics
Amazon.com: Pyle Car Vehicle Subwoofer Audio Speaker - 15inch Non-Pressed Paper Cone, Black Plastic Basket, Dual Voice Coil 4 Ohm Impedance, 2000 Watt Power, Foam Surround for Vehicle Stereo Sound System PLPW15D :
Amazon.com: Alphasonik 15" Flagship Series 1400 Watts Raw Sub Woofer Speaker Cast Aluminum Basket Driver for Pro Audio PA DJ Cabinets Subwoofer with High Handling Power Extremely Clear and Loud - FW1532 :