Amazon.com: Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier,BLACK : Electronics
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 - Creative Audio
Rockford Fosgate Punch P300-1 Mono subwoofer amplifier 300 watts RMS x 1 at 2 ohms at Crutchfield
Amazon.com: Rockford Fosgate 1 T1D415 T1 Series Dual 4-Ohm 15" Subwoofer and 1 T1000-1BDCP Power Series Amp : Electronics
Rockford Fosgate Prime R150X2 2 Channel Amp Car Audio Power Sub Amplifier - Walmart.com
Rockford Fosgate Power T1D412 12" dual 4-ohm voice coil component subwoofer and Rockford Fosgate T1500-1bdCP Power Series mono sub amplifier — 1,500 watts RMS x 1 at 2 ohms and a SOTS Lanyard