1. Personal use(actually i have the subwoofer in a Cylinder box 30l and very bad tuned , sound's bad bad ) 2.Infinity re1230w (300 w rms ) i can send a link with the full spec. 3. Unit: centrimetes Width: 55cm Length: 45cm Height: 45cm http://manuals.harman.com/INF/CAR/Boxes%20and%20Parameters/Ref1230w%20Tech%20Sheet.pdf(don't know if it will work at you ) the main issue is the port dimenssion the other dimension are easy to find it should look like this(i don't know the dimensions ) http://imageshack.us/photo/my-images/836/img0045sd.jpg/