Clean Power, 2 outlets, RCA connections Dimensions: 8 3/4 H x 4 5/8 W x 2 5/8 D; weight: 0.58 lbs. Monster Clean PowerTM stage 1 v2.0 AC noise filtering for improved subwoofer performance. Maximum 1100 joule surge protection for both signal lines and AC power outlets. Audible and visual indicators for damage, protection, and ground status monitoring. Compact, cordless construction plugs directly into wall outlet. Plugging Your Subwoofer Directly into an AC Wall Outlet Renders Your Entire Home Theater Vulnerable to Power Surges Your subwoofer is probably placed too far away from your main system to plug into a surge plug strip. Why use another plug strip just for a subwoofer when you can just plug into a nearby wall outlet, right? Well, consider this. If a power surge strikes and your subwoofer is unprotected, it may cause some serious damage not only to the sub, but your entire home theater. The surge can also travel unimpeded from the subwoofer to your other home theater components, via their interconnect cables. Monster"s Ultra - Compact Subwoofer PowerCenterTM SW200 Delivers Maximum Surge, Plus Improved Subwoofer Sound Monster"s Subwoofer PowerCenter SW200 is no bigger that your hand yet, it has many of the same performance - enhancing features found in Monster"s popular full - sized Home Theatre PowerCenters, in a compact, affordable unit. Monster"s SurgeGuard circuitry does a superior job of protecting your subwoofer from harmful power surges and spikes. When a surge strik