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
HIFONICS 12 in. 800-Watt 4-Ohm DVC Car Audio Subwoofer Power Bass Sub (8-Pack) 8 x HFX12D4 - The Home Depot