Digital and/or analog devices or systems for the recording, reproduction or playback of sound or images, namely CD players, CD transports, DVD players, DVD transports, phonograph systems, magnetic tape systems, digital to analog converters, analog to digital converters, power filters, power conditioners, power connector systems, power wire and cable, power distribution, digital and analog signal processors, equalizers, transducers including microphones, switchers, preamplifiers, amplifiers, receivers, phono level interconnecting wire and cables, line level interconnecting wire and cables, power interconnecting wire and cables, mic level interconnecting wire and cables, wireless transmitters and receivers, headphone level wire and cable, loudspeaker level wire and cables, loudspeakers, headphones, and accessories employed by the above listed devices