Rockford Fosgate Power Series T1D215 - 15" T1 2-Ohm DVC Subwoofer
Rockford Fosgate Bass Package - Two R2D4-12 Prime 12" Dual 4-Ohm Subwoofers, A P500X1BD 500-Watt Punch Amplifier and a RFK8I Power Interconnect Kit - Walmart.com
Rockford Fosgate 8 inch PS-8 300W Car Subwoofer for sale online | eBay
Amazon.com: Rockford Fosgate P300-8P Punch 8" 300-Watt Amplified Subwoofer in Ported Enclosure - Slim Design for Tight Spaces - Black : Electronics