chord groundarayChord GroundARAY Effective noise reduction for your hi fi GroundARAY is a next generation high frequency noise reduction device that connects to unused sockets on hi fi and or audiovisual equipment, providing a low impedance path for HF noise to pass through, directly improving the noise floor of the host product. GroundARAY is a cylindrical design made from precision CNC machined thick walled aluminium; the thick walls themselves prevent the device