Well built with one issue
The box fit well in my 2008 F150 extended cab. The issue I have is I am using a Sundown SD310 and the excursion I making the sub slap the floor even though it has an inverted surround to combat that problem. So to get around it I have to have my seat up. I will be selling this box and replacing soon.
1 found this helpful
Great Sub Woofer Box
Got this Box for my 2005 Ford F-150 STX extended cab. The Sub box fits perfectly under my rear driver's seat & my 10” sub does not hit the floor.
Only con. My seat would not latch completely for the 1st week or two until the foam padding contoured to the speaker box now it latches just fine. I put a 50-pound bar weight on my seat for 2 weeks until the foam contoured to the box. Now no problems & box & subwoofer is working well with no problem.
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