Amazon.com: Pair of Gravity Warzone 15 Inch 7000 Watt Car Audio Subwoofer w/ 4 Ohm DVC Power (2 Woofers) : Electronics
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