2002-2013 Chevy Avalanche / GMC Sierra HD Crew — Harmony HA-F104 Dual 10" Sub Box + Kicker CX600.1 1200W Class D Amp

Package contents: 1 x 2002-2013 Chevy Avalanche Car Audio Custom Dual 10" Subwoofer Enclosure Sub Box; 2 x Harmony Audio HA-F104 Car Stereo Flatline Series 700 Watt Single 4 Ohm 10" Sub; 1 x Kicker CX600.1 Car Audio Class D 1200W Sub Amp; 1 x Harmony Audio HA-AK8 Car 8 Gauge 900 Watt Amp Kit. Enclosure details: Built for 2002-2013 Chevy Avalanche fitments (also suitable for under-seat installation in compatible GMC Sierra HD Crew trucks). Air Space: 0.48 Cubic Feet per Sub. Mounting Depth: 4 1/2". Sealed enclosure dimensions: Width 48" x Height 6" x Depth 16-3/4". Fits under rear seat; seat must be able to fold forward for box to fit. Subwoofers fire up towards the rear seat. Harmony Audio HA-F104 10" Flatline Series subwoofer (per driver): Power Handling: Peak: 700 watts, RMS: 350 watts. Sensitivity: 87.1dB. Frequency Response: 25Hz-1.5Hz. Mounting Depth: 4 1/16". Mounting Cutout Diameter: 9 1/16". Kicker CX600.1 Class D subwoofer amplifier: Single 4 Ohm RMS Power Rating: 4 ohms: 300 watts x 1 chan. 2 ohms: 600 watts x 1 chan. Max power output: 1200 watts x 1 chan. Frequency response: 25-200 Hz. Dimensions: 7-3/16"W x 8-1/8"D x 2-3/8"H. This complete kit supplies the dual sealed enclosure sized for under-seat mounting, two Harmony HA-F104 10" subs, a powerful Kicker CX600.1 Class D mono amp, and the Harmony HA-AK8 8-gauge 900 Watt amp installation kit — everything needed for a compact, high-output sub system in compatible 2002-2013 Avalanche and GMC Sierra HD Crew applications.