Hsu Research VTF-2 mk5, definitely as good as any sub at that pricing. SVS PB-1000 Pro is a terrific sub for around that same price. If you can go just a bit over your budget, the Hsu VTF-3 mk5 will blow away any sub-$1k subwoofer. The Monoprice M-12 is also a great sub for 1,100.