The High Definition Power Center HDP 2500 is a bold combination of design, advanced engineering, and convenient functionality. This new PowerCenter design delivers the advanced protection and performance that home theater enthusiasts expect. Cell phones, TVs, appliances, and other electronics all generate noise and interference that pollute your home's electricity. This dirty power can degrade picture and sound performance. Dirty power can also stress the delicate digital circuitry inside HDTVs and other home theater components, potentially shortening their life. However, ordinary surge protectors can't remove the effects of dirty power. The HDP 2500 features advanced Monster Clean Power HD Stage 2 filtration that's precision-engineered to remove the effects of dirty power for better picture and sound. In addition, by minimizing noise and interference, HD Clean Power filtration reduces unnecessary wear to the sensitive digital circuitry in today's high definition home theater components.