i once bought 2 12 cvrs with a zx750.1 for $150 bought it mainly for the amp which I sold for the 150 itself. But when I hooked that little setup up man was I pleased. very nice output. Was in a medium sized ported box and man those CVR's werent bad at all. My brother in law still has him in his yukon for a little more bass, and everytime I get in there im impressed all over again on the sound. not bad entry subs at all, produce good clean bass at a cheap price. 800w really gets those moving too. He was planning on adding two more but I think he just needs the cargo room more than the 2 subs.