Amazon.com: Hifonics Monoblock Car Amplifier – Gemini Series Class D Amplifier 1500 Watt, Car Electronics Audio Subwoofer Bass Boost 1 Ohm Stable MOSFET Power Supply for Car Speakers Mono Sub Amp : Electronics
Amazon.com: Gravity 2X GW12D4 Warzone 12 Inch 6000 Watt Package Car Audio Subwoofer + Hifonics Zeus ZG-3200.1D 3200W Class D Car Audio Amplifier + Completed 5000W 0 Gauge Amp Kit Bundle : Electronics