chord powerarayChord Company PowerARAY Advanced noise reduction for the power supply Chord Company PowerARAY is designed to tackle one of the most overlooked problems in modern hi fi setups: high frequency noise on the mains supply. Even though the power itself seems stable, it is often affected by noise picked up through long, unshielded supply lines and from all the electrical devices sharing the same grid. This noise can negatively affect both sound and picture,