American Bass XFL 12 Inch 1000w RMS DVC Subwoofer - SSA STORE
Series 8k MOAB Neo Subwoofer - Pierce Audio Inc.
Amazon.com: Massive Audio SUMMOXL104-10 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 10" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics