tuning is a bit low. nice job on the box. you should of put a brace inside of the box also between the subs. that way there is 3 layers in that thin strip. and then of course filling in the screw holes with puddy if its for a customer.
rob i think you should brace it a wee bit after lookin at those pics..its pretty thin right there and with 4kw i dont want it blowing to pieces //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif