IsoAcoustics ISO-L8R200 Sub extra-large subwoofer stand will give you more low-end accuracy. Enjoy tighter, more extended bass - without shelling out for a new subwoofer! IsoAcoustics has built the ISO-L8R200 Sub according to the "PIF" (Placement, Isolation, Focus) principles of acoustic design. The results are immediately noticeable, and dramatic. Your old subwoofer will stun you with how accurate it is. Get better monitoring (without getting a new subwoofer) with IsoAcoustics ISO-L8R200 Sub subwoofer stand.