This Package Includes the Following Items:
1 x 2014 - 2018 Chevy Silverado Crew Cab Truck Dual 12" Sub Box Subwoofer Enclosure
2 x Harmony Audio HA-R124 Rhythm Series 12" - 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
2014 - 2018 Chevy Silverado Crew Cab Truck Dual 12" Sub Box Subwoofer Enclosure:
Features:
2014 - 2018 Chevy Silverado Crew Cab Truck Custom Dual 12" Subwoofer Enclosure Sub BoxMounting Depth: 6-1/2"
Air Space: 0.74 Cubic Feet per Sub
Sealed Enclosure

High Quality Twist Knob / Banana Plug Terminal Cup (Bare Wire 'up to 10GA')
High Quality Black Carpet
Overall Dimensions: 49-1/2" L X 16-1/2" W X 9-3/4" H
Enclosure installs under the rear seat, subs fire downward
Harmony Audio HA-R124 Rhythm Series 12" - Package Sub:
Specifications:
Power Handling:
Peak: 600 watts
RMS: 300 watts
Sensitivity: 88.2dB
Frequency Response: 27Hz-1.8kHz
Mounting Depth: 5 11/16"
Mounting Cutout Diameter: 11 1/8"
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