Did u even build the box yet to see how it performs? Not anything aginst Ryan but how can you give advice if you didn't even build it and try it yet? The x and zv4 are pretty much same animals just ones alittle smaller. I do have some experience in building enclosure.
amplifier, amp guts, ampguts, car audio classifieds, speakers and subs for sale with listings of 12 volt sound systems. Security systems for sale for aftermarket car audio equipment with amplifier and amps for sale