Amazon.com: Massive Audio SUMMOXL124-12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
BOA121 12 Inch Subwoofer | 6,000 Watts RMS Dual 1 Ohm Mega Subwoofer – Massive Audio
Amazon.com: Alphasonik HSW212 Hyper 200 Series 12” 1200 Watts Max / 400 Watts RMS Single 4 Ohm Car Subwoofer Stamped Alpha Steel Basket with High Grade Magnet Non Pressed Paper Cone Audio