BOSS Audio Systems CXX10 Chaos Exxtreme Series 10 inch Car Audio Subwoofer - 800 Watts Max, Single 4 Ohm Voice Coil, for Truck, Boxes and Enclosures, Use With Amplifier - Walmart.com
4x Pioneer TS-G6930F 6x9" 3-Way 800 Watts Max Power Coaxial Car Audio Speakers 618952484184 | eBay
Kicker 50GOLD104 10" Competition Gold 4 Ohm Subwoofer with 800 Watt Peak Power