2007-2013 Chevy Silverado Extended Cab Dual 12" Sub Box + 2x Harmony HA-R124, Kicker CX300.1 Amp & HA-AK10 Kit

Package contents (included items): 1 x Custom Chevy Silverado 07-13 Subwoofer Box Extended Cab Dual 12"; 2 x Harmony Audio HA-R124 Car Stereo Rhythm Series 600 Watt Single 4 Ohm 12" Sub; 1 x Kicker CX300.1 Car Audio CXSeries Class D Subwoofer Amplifier 600 Watt Sub Amp; 1 x Harmony Audio HA-AK10 Car 10 Gauge 600 Watt Amp Kit - Nickel Finish. Custom Chevy Silverado 07-13 Subwoofer Box (Extended Cab, dual 12"): Designed to sit under the rear seat and fire downward. Mounting depth: 6". Sealed enclosure with air space of 0.60 Cubic Feet per sub. External dimensions: Width 55-3/4" x Front Height 8-3/4" x Rear Height 5" x Depth 14-3/4". Harmony Audio HA-R124 (each): Rhythm Series 12" single 4 Ohm subwoofer. Power handling: Peak 600 watts, RMS 300 watts. Sensitivity: 88.2dB. Frequency response: 27Hz-1.8kHz. Mounting depth: 5 11/16". Mounting cutout diameter: 11 1/8". Kicker CX300.1 CXSeries Class D Subwoofer Amplifier: Maximum output: 600 watts x 1 channel. RMS power rating: 4 ohms: 150 watts x 1 channel; 2 ohms: 300 watts x 1 channel. Variable low-pass filter: 50-200 Hz (12 dB/octave). Subsonic filter: 24 dB at 25 Hz. Frequency response: 25-200 Hz. Dimensions: 7-3/16" W x 8-1/8" D x 2-3/8" H. Installation note: This package includes the Harmony Audio HA-AK10 10 gauge amp wiring kit (600 Watt, nickel finish) required to wire the amplifier and subs.