This Package Includes the Following Items:
1 x Custom Chevy Silverado 07-13 Subwoofer Box Extended Cab Dual 12"
2 x Kicker 43C124 12" Comp C12 Series Sub 150W RMS 4 Ohm SVC Car Subwoofer
1 x Kicker 46CXA8001 Car Audio Class D Amp Mono 1600W Peak Sub Amplifier CXA800.1
1 x Harmony Audio HA-AK4 Car Stereo Complete 4 Gauge 1800W Amp Amplifier Install Kit - Nickel
Custom Chevy Silverado 07-13 Subwoofer Box Extended Cab Dual 12":
Features:Dual 12" 2007-2013 Chevy Extended Cab Sub Box
Mounting Depth: 6"
Air Space: 0.60 Cubic Feet Per Sub
Sealed Enclosure
Dimensions: Width 55-3/4" x Front Height 8-3/4" x Rear Height 5" x Depth 14-3/4"

Constructed with High Quality MDF
High Quality Black Carpet
Enclosure installs under rear seat down firing
This box fits: 2007-2013 Chevy Silverado Extended Cab
2007-2013 GMC Sierra Extended Cab

Kicker 43C124 12" Comp C12 Series Sub 150W RMS 4 Ohm SVC Car Subwoofer:
Size: 12"
Impedance: 4 Ohms SVC
Power Watts: 300W Peak / 150W RMS
Sensitivity: 88.3 dB
Freq. Response: 27-500 Hz
Mounting Depth: 5-7/8"
Mounting Diameter: 11"

Kicker 46CXA8001 Car Audio Class D Amp Mono 1600W Peak Sub Amplifier CXA800.1:
SpecificationsPower Handling: 600 Watts x 1 @ 2 Ohm RMS
1200 Watts x 1 @ 2 Ohm PEAK
800 Watts x 1 @ 1 Ohm RMS
1600 Watts x 1 @ 1 Ohm PEAK

Frequency Response: 25Hz - 200Hz
Signal to Noise Ratio: 95dB
Active Crossover: 12dB/octave, variable 50-200Hz, low pass only
Subsonic Filter: 24dB/octave high-pass fixed @ 25Hz
Dimensions: 8-1/8" Length x 2-3/8" Height x 7-3/16" Width