[banjuap]

a cheap and very effective way to insulate all your speaker and power and cables that transfer music / data from and between your music hardware is to use standard electrical conduate used by electricians. available at your local DIY store by the metre. made of plastic, comes in various shapes and sizes. this stuff is industrial. if your still having problems it might be due to having your hardware plugged into different electrical circuits. check that all the plug sockets your using in your room run on the same circuit.