04-15 Fits Nissan Titan King Crew Truck Harmony HA-A122 Dual 12" Subs with Custom Dual 12" Sub Box & CXA800.1

Package contents: 1 x Custom Dual 12" 99-06 Chevy Silverado Extended Cab Subwoofer Box; 2 x Harmony Audio HA-A122 Alloy 1000W 12" 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 - Nickel Finish. Custom Dual 12" 99-06 Chevy Silverado Extended Cab Subwoofer Box: Sealed, downfiring enclosure designed to fit under the rear seat of 99-06 Chevy Silverado Extended Cab trucks. Dual 12" configuration with 0.95 Cubic Feet air space per enclosure. Mounting depth: 5-3/4". Overall box dimensions: Width 51" x Front Height 9-3/4" x Rear Height 7-1/4" x Depth 13-1/2". Built from high quality MDF and finished in high quality black carpet. Harmony Audio HA-A122 Alloy 1000W 12" Subwoofer (x2): Alloy Series 12" car subwoofer. Power handling: Peak 1000 watts, RMS 500 watts. Sensitivity: 87 dB. Frequency response: 25Hz-500Hz. Mounting depth: 6". Mounting cutout diameter: 11 1/8". Kicker CX600.1 Car Audio Class D Subwoofer Amplifier: RMS power rating: 4 ohms: 300 watts x 1 channel; 2 ohms: 600 watts x 1 channel. Maximum power output: 1200 watts x 1 channel. Variable Bass Boost: 0 to +12 dB bass boost at 40 Hz. Input sensitivity: Low level 125mV-5V; High level 250mV-10V. Frequency response: 25-200 Hz. Dimensions: 7-3/16" W x 8-1/8" D x 2-3/8" H. Harmony Audio HA-AK8 Amp Kit: Car 8 gauge 900 Watt amp installation kit in nickel finish, included to complete wiring and setup.