Crunch 2 Channel 1000 Watt Amp A/b Class Car Audio Stereo Amplifier & Mtx 12 Inch 1200 Watt Car Audio Dual Loaded Subwoofer Box Enclosure : Target
Crunch Crw12d4 12 Inch 800 Watt Max 4 Ohm Dual Voice Coil Car Subwoofer Speaker With 2 Channel 1000 Watt Amp A/b Class Car Audio Stereo Amplifier : Target
Tuning your subs
MTX 12" 1200W Dual Loaded Car Subwoofer Audio, Sub Box, Amplifier & Amp Kit - Walmart.com
Amazon.com: Skar Audio Dual 12" Complete 2,400 Watt SDR Series Subwoofer Bass Package - Includes Loaded Enclosure with Amplifier : Electronics