Amazon.com: Audiotek AT7000M 1 Channel Monoblock Class D Car Amplifier - 7000 Watts, 1 Ohm Stable, LED Indicator, Bass Knob Included, Mosfet Power Supply, Great for Subwoofers : Electronics
Power Acoustik 12" Sub Woofer Dual 4 ohm 7000 Watts Max Total, SOLD IN PAIRS | eBay