Monster's AVS 2000 is a serious product for serious home theater enthusiasts. It has been hailed as a truly innovative and invaluable product by reviewers and the buying public. The AVS 2000 is designed to stabilize power line fluctuations and maintain constant voltage to your home theatre for maximum performance. AVS 2000 provides consistent 120V output when AC input fluctuates anywhere from 80-140V. As a result, amplifiers will maintain the stability needed to deliver peak power and performance. Video systems will deliver the sharpest, brightest picture with the most vivid color possible.