[7.8” (200mm) Wide x 10” (254mm) Depth 3.5” (90mm) Height. 75lbs weight capacity. Package includes 1 Stand. PATENTED ISOACOUSTICS ISOLATION: Tested at the National Research Council of Canada (NRC). The IsoAcoustics award winning design provides superior isolation performance. EXCITING THE SUPPORTING SURFACE: The isolators manage the energy of the speaker to reduce vibrations resonating through the supporting surface to eliminate dissonant sounds in the listening area or adjoining rooms. REDUCES INTERNAL REFLECTIONS: IsoAcoustics isolator reduces internal reflections to eliminate smear. The result is an improved stereo image of natural spatial sound. COMPATIBILITY: ISO-200Sub is designed to accommodate most subwoofers and can be used as a single unit or combined with additional units for larger subwoofers.]