- 100oz Double stacked magnet
- Mounting depth is 5.66"
- Vented box: 2.0 cu. ft.
- Round port diameter: (2) 4"
- Square port area: 25 Sq/in.
- Port length is 20"
- Sealed box: 0.5 - 0.75 cu. ft.
- Priced per speaker
- Subwoofers are usually sold as a single unit unless otherwise noted.
- Authorized Internet Dealer
*Warranty: 1 Year Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 30 days from the original date of purchase with proper return authorization. After the 30 day time period, products must be returned to their original manufacturer for the remainder of the manufacturer's warranty period.
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dave putman From kentucky
|the 108d4's for the money rank vary high on my scale. people complain about them and they are not even playing with the size of the box i have talked to visonik personally the proper size box for this sub is 2.25 cu.ft. round port 5"x11.5" long or square port 2.75"x 6.75"x11.5" for 40hz i have tried the sealed at .65 cu.ft. but it doesnt bring life to the sub nearlly as good as ported. sub is strong,precise and pretty good sound all around. i have 4 in my truck and 2 in my car never had a problem with them except 4 different boxs before i called visonik and got the proper size.|