This Package Includes the Following Items:
1 x Harmony Audio HA-A800.1 Class D Mono 1600W Sub Amp
1 x Harmony Audio HA-AK4 Car 4 Gauge Amp - Nickel
1 x Fits Dodge Ram 02-15 Quad - Crew Truck Single 10" Sub Box Enclosure Rhino Coated
1 x Alpine S-W10D4 Car Audio Type S Series Sub Dual 4 Ohm 1200W Peak 10" Subwoofer
Harmony Audio HA-A800.1 Class D Mono 1600W Sub Amp:
Specifications:
Power Handling:
14.4V @ 1 Ohm
800 Watts RMS x 1
1600 Watts PEAK x 1
14.4V @ 2 Ohm
600 Watts RMS x 1
1200 Watts PEAK x 1
Frequency Response: 10Hz-180Hz
Features:
Includes Remote Bass Control Knob with Power Indicator LED
Includes HA-EASY Speaker Wire to RCA Adapter to Simplify Installation

Fits Dodge Ram 02-15 Quad - Crew Truck Single 10" Sub Box Enclosure Rhino Coated:
Features:
Dodge Ram 02-15 Quad Cab Single 10" Subwoofer BoxAir Space: 0.50 Cubic Feet
Mounting Depth: 6"
Sealed Enclosure
Dimensions: Width 19-1/2 x Height 7-1/2" x Depth 13-1/2"
This box fits:
2002 - 2015 Dodge Ram Quad Cab & Crew Cab
Enclosure installs under the rear seat on the drivers side
NOTE: This box does not fit the MEGA CAB

Alpine S-W10D4 Car Audio Type S Series Sub Dual 4 Ohm 1200W Peak 10" Subwoofer:

General Features:10" 4 ohm S-Series (Type-S) Subwoofer
Power Handling:Peak: 1800 watts
RMS: 600 watts

Frequency Response: 26- 200Hz
Sensitivity: 86.4dB
Resonance Frequency (Fs): 34 Hz