When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Bout 1.2 cu ft maybe a little more or less depending on what thickness of mdf or if you use fiberglass. I measured it at about 5" of depth where subs would likely be mounted due to the slanted seat back and room for excursion