Bob Carvers Sunfire True subs have been around quite a while. For those that dont know, the True sub was the first 'High power small box sub'.
REL had a go at this with their tiny clones (sort of) but left out the high powered bit.
It's a one foot cube thats powered by a 2700 watt amp. The idea being of course that the high power will make up for the very small internal volume of the sub. While the 'True' has been fairly successful from a marketing perspective, they are far from the ideal sub. Having listened to these in two different systems, I consider it more a space saving option rather than an accurate means of offering good clean low end. Does it go low? Yep, not bad . Does it go loud? again yes. But as many will know, these qualitys are not the only criteria of a good sub. There's a little more to it than that. The true is unruly, untidy, lumpy and very fussy as to placement.
Its a tiny sub trying to be serious with a serious price tag to boot. I'm afraid it just doesn't cut it. I have never seen (or heard of) any of these in an audiophiles system. True (pun not intended) enthusiasts just wouldn't be happy with the performance this offers for its price. Just my opinion of course.