Slightly smaller in overall size, but no less impressive in dealing out the deep bass effects, the PSW110 is the best subwoofer to complete your music or movie system in a mid-sized or smaller room. The PSW110 Powered Subwoofer delivers powerful, accurate and musical bass at shockingly low prices. Built for power and value, this subwoofer represent a continuing refinement of the highly regarded PSW Series and a great introduction to visceral home theater bass performance. Loud & Low Specs(CEA2010): Low 114.6 db / Ultra 86.7 db