Transparent Reference Power Isolator with RPCThe wall is noisy. Everything plugged into it knows it, even when you can't hear it directly it's in the noise floor, the grain, the slight flatness that makes a great system sound like a good one. The Transparent Reference PowerIsolator is built specifically to stop that from reaching your components. Transparent's network technology isolates the AC from the line, filters the hash, and delivers clean power without restricting current to the equipment