The MPHTS800HP Home Theatre PowerCenter HTS 800 with Clean Power Stage 1 v.2.0 has a Monster Clean Power Stage 1 filter that provides noise-free power for sensitive electronic components and protection from surges. It has 8 color-coded outlets, plus a Phone-line and Coax protector to guard your system against sudden power spikes. The audible system alarm, color-coded outlets, and visible surge indicator all combine to provide a high level of security for your valuable electronics.