Pioneer GM-DX871 1600 Watt Max Amplifier Car Monoblock Sub Amp + 4 Ga. KIT | eBay
Customer Reviews: Pioneer GM-D9601 Mono subwoofer amplifier — 1200 watts RMS at 1 ohm at Crutchfield
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GM-D9701 - 1-Channel - Class D, 2400w Max Power - Mono Amplifier | Pioneer Electronics USA