This Package Includes the Following Items:
1 x Custom Dual 10" 99-06 Chevy Silverado Extended Cab Sub Woofer Box
2 x Harmony Audio HA-R104 Rhythm Series 10" - Package Sub
1 x Harmony Audio HA-A400.1 Class D Mono 800W Sub Amp
1 x Harmony Audio HA-AK4 Car 4 Gauge Amp - Nickel
Custom Dual 10" 99-06 Chevy Silverado Extended Cab Sub Woofer Box:
Features:Dual 10" 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"

High Quality Black Carpet
Enclosure installs under rear seat downfiring

Harmony Audio HA-R104 Rhythm Series 10" - Package Sub:
Specifications:
10" Rhythm Series Car Subwoofer
Power Handling:
Peak: 500 watts
RMS: 250 watts
Sensitivity: 86.1dB
Frequency Response: 30Hz-1.5kHz
Mounting Depth: 5 5/16"
Mounting Cutout Diameter: 9 1/4"
Single 4 Ohm

Harmony Audio HA-A400.1 Class D Mono 800W Sub Amp:
Specifications:
Power Handling:
14.4V @ 1 Ohm
400 Watts RMS x 1
800 Watts PEAK x 1
14.4V @ 2 Ohm
300 Watts RMS x 1
600 Watts PEAK x 1
Frequency Response: 10Hz-180Hz
Turn On: DC Offset or 12V Remote
Features:
Includes Remote Bass Control Knob with Power Indicator LED
Includes HA-EASY Speaker Wire to RCA Adapter to Simplify Installation