Pioneer 500 Watts RMS 12" Single 4 Ohm Car Subwoofer Champion - Import It All
Sound Ordnance/Pioneer 500-Watt Bass Package Includes Pioneer GM-D9601 amplifier and Sound Ordnance bandpass enclosure with two 12" subwoofers at Crutchfield
Pioneer 500Watts 2-Channel Bridgeable Amplifier for Front door or subwoofer. Model: GM-A3702 (60w x 2 @4ohm), Car Accessories, Accessories on Carousell