This Package Includes the Following Items:
1 x Sub Boxes Truck Dual 12" Subwoofer Unloaded Enclosure Box
2 x Harmony Audio HA-R124 Car Stereo Rhythm Series 600 Watt Single 4 Ohm 12" Sub

Sub Boxes Truck Dual 12" Subwoofer Unloaded Enclosure Box:
Features:Dual 12" Sealed Truck Sub Box
Mounting Depth: 5-5/16"
Air Space: 0.96 Cubic Feet Per Sub
Sealed Enclosure
Dimensions: Width 49" x Height 14-1/2" x Depth One 4-1/2" x Depth Two 8"

Designed to fit behind the seat of most trucks
Constructed with High Quality MDF
(2) High Quality Binding Terminal Cups (Accepts Banana Terminal Plugs OR Bare Wire 'up to 10GA')
High Quality Gray Carpet

Harmony Audio HA-R124 Car Stereo Rhythm Series 600 Watt Single 4 Ohm 12" Sub:
Specifications: 12" Rhythm Series Car Subwoofer
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"
Min Sealed Box Volume (Cubic Feet): 1.25
Max Sealed Box Volume (Cubic Feet): 3.52
Min Vented Box Volume (Cubic Feet): 1.65
Max Vented Box Volume (Cubic Feet): 2.3
Single 4 Ohm