This Package Includes the Following Items:
1 x Chevy Silverado 1999-06 Ext Cab Truck Dual 12 Subwoofer Enclosure Sub Box Custom
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
Chevy Silverado 1999-06 Ext Cab Truck Dual 12 Subwoofer Enclosure Sub Box Custom:
Dual 12" Chevy 99-06 Extended Cab Sub Box
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"

(2) High Quality Binding Terminal Cup (Accepts Banana Terminal Plugs OR Bare Wire 'up to 10GA')
High Quality Black Carpet
Enclosure installs under rear seat downfiring
This box fits:1999 - 2006 Chevy Silverado Extended Cab 1500, 2500, & 3500
1999 - 2006 GMC Sierra Extended Cab 1500, 2500, & 3500

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
Dimensions: 8-1/8" Length x 2-3/8" Height x 7-3/16" Width