Belkin 8 Outlet Surge Protector with Coaxial and Telephone Protection (White) The Ultimate Surge Protector commands high performance, with superior power protection for your sensitive home theater equipment. By reducing powerline noise and damaging voltage fluctuations, Belkin Surge Protectors safeguard HDTVs, Keep your high-end equipment protected, while ensuring the clearest picture and sound possible. 3000 Joule energy rating provides superior power protection for all your general electronic devices Stereo and satellite systems, Blu-ray players, video-game consoles, and more.