This Package Includes the Following Items:
1 x Custom Dual 10" 88-98 Chevy C/K Extended Cab Woofer Enclosure
2 x Harmony Audio HA-F104 Car Stereo Flatline Series 700 Watt Single 4 Ohm 10" Sub

Custom Dual 10" 88-98 Chevy C/K Extended Cab Woofer Enclosure:
Features:Dual 10" 88-98 Chevy Extended Cab Sub Box
Air Space: 0.95 Cubic Feet
Mounting Depth: 6"
Sealed Enclosure
Dimensions: Width 56-3/4" x Front Height 10" x Rear Height 6-1/4" x Depth 13-1/4"

Constructed with High Quality MDF
High Quality Black Carpet
Enclosure installs under rear seat down firing
This box fits:1988 - 1998 Chevy C/K Extended Cab
1988 - 1998 GMC Sierra Extended Cab

Harmony Audio HA-F104 Car Stereo Flatline Series 700 Watt Single 4 Ohm 10" Sub:
Specifications: 10" Flatline Series Car Subwoofer
Power Handling: Peak: 700 watts
RMS: 350 watts

Sensitivity: 87.1dB
Frequency Response: 25Hz-1.5Hz
Mounting Depth: 4 1/16"
Mounting Cutout Diameter: 9 1/16"
Min Sealed Box Volume (Cubic Feet): 0.40
Max Sealed Box Volume (Cubic Feet): 2.03
Min Vented Box Volume (Cubic Feet): 1.1
Max Vented Box Volume (Cubic Feet): 1.81
Single 4 Ohm