Atrend Bbox Dual 10" Sealed Carpeted Subwoofer Enclosure - Fits 2001-2013 Chevrolet/GMC Avalanche/Escalade - Subwoofer Box Improves Audio Quality, Sound & Bass - Charcoal

Atrend Bbox Dual 10" Sealed Carpeted Subwoofer Enclosure - Fits 2001 - 2013 Chevrolet / GMC Avalanche/Escalade - Subwoofer Box Improves Audio Quality, Sound & Bass - Charcoal

Skar Audio RP-1200.1D Monoblock Class D MOSFET Amplifier with Remote Subwoofer Level Control, 1200W

Skar Audio VD-10 D4 10" 800W Max Power Dual 4 Ohm Shallow Mount Car Subwoofer