This Package Includes the Following Items:
1 x Dual 10" Sub Enclosure Unloaded Subwoofer Box
2 x Harmony Audio HA-R104 Car Stereo Rhythm Series 500 Watt Single 4 Ohm 10" Sub

Dual 10" Sub Enclosure Unloaded Subwoofer Box:
Features:Dual 10" Sealed Rearfire Sub Box
Mounting Depth: 13-3/4"
Air Space: 1 Cubic Foot (Per Sub)
Sealed Enclosure
Dimensions: Width 30-1/4" x Height 13" x Depth One 13-3/4" x Depth Two 16-1/2"

(2) High Quality Binding Terminal Cups (Accepts Banana Terminal Plugs OR Bare Wire 'up to 10GA')
Sealed Design Produces Tight Sound Quality Bass
High Quality Gray Carpet
Constructed with high quality MDF

Harmony Audio HA-R104 Car Stereo Rhythm Series 500 Watt Single 4 Ohm 10" 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"
Min Sealed Box Volume (Cubic Feet): 1.0
Max Sealed Box Volume (Cubic Feet): 2.46
Min Vented Box Volume (Cubic Feet): 1.18
Max Vented Box Volume (Cubic Feet): 1.97
Single 4 Ohm
Features:
Metallic Polypropylene Injection Molded Cone
Butyl Rubber Surround
Tinsel Leads Woven into Spider
1.5" Copper Voice Coil
Steel Basket
Ferrite Magnet
Kapton Former Material