I had installed this in my hatch infront of the spare in my Z for about 2 months prior to trading the Z in... It fit perfectly in there and took up zero trunk space...
Its a amplified 250w Bazooka Bass tube...
BTA6250D - this one. Listed at $242 here...
http://www.hifisoundconnection.com/S...id/0/SFV/30046
I paid about 220+ shipping for it and 50 or so for the wiring... The wire is high quality and easily flexible.... Used only for 2 months or less...
I have TWO RCA's one that includes a remote wire that i used... one is from kit one is a monster cable rca...
1 8 gauge power wire, true to size, high quality, with a distrution block on one end and fuse block on the other....
ground wire, and everything else included in the kit
you will not need anything but to install this once you recieve this...
$220 shipped....
here are installed pics