99-06 Chevy Silverado Extended Cab Dual 12" Sub Box w/ 2x Harmony HA-A122, Kicker CX600.1 & HA-AK8 8 Gauge Kit

Package contents: 1 x Chevy Subwoofer Box (Custom Dual 12" for 99-06 Extended Cab), 2 x Harmony Audio HA-A122 Alloy 1000W 12" Subs, 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 - Nickel Finish. Chevy Subwoofer Box (Custom Dual 12" for 99-06 Extended Cab): Built as a sealed, down-firing enclosure that fits under the rear seat. Air Space: 0.95 Cubic Feet. Mounting Depth: 5-3/4". Sealed enclosure dimensions: Width 51" x Front Height 9-3/4" x Rear Height 7-1/4" x Depth 13-1/2". Constructed with High Quality MDF. Harmony Audio HA-A122 Alloy 1000W 12" Sub (quantity: 2): 12" Alloy Series car subwoofer. Power handling: Peak: 1000 watts; RMS: 500 watts. Sensitivity: 87dB. Frequency response: 25Hz-500Hz. Mounting depth: 6". Mounting cutout diameter: 11 1/8". Dual 2 Ohm. Kicker CX600.1 Car Audio Class D 1200W Sub Amp: 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. Variable Bass Boost (0 to +12 dB bass boost at 40 Hz). Frequency response: 25-200 Hz. Dimensions: 7-3/16"W x 8-1/8"D x 2-3/8"H. Harmony Audio HA-AK8 Car 8 Gauge 900 Watt Amp Kit - Nickel Finish: Complete 8 gauge amp wiring kit rated for 900 Watt systems, nickel finish.