Apparatus for recording, transmission, processing and reproduction of sound, images or data; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Car aerials; Car televisions; Car video recorders; Computer hardware and computer peripheral devices; Computer peripheral devices; Digital switching systems comprised of interconnected electromechanical and solid-state power management enclosures with standard and custom keypads for user remote control, the foregoing for use on marine helms and land-based vehicle dashboards; Earphones and headphones; GPS navigation device; Heads-up displays (HUDs) in the nature of transparent electronic displays for use in general aviation aircraft, projection of data from a mobile device onto a vehicle windshield, providing motorcycle riders with navigational and operational information; Loudspeakers, headphones, microphones and CD players; Vehicle radios; Vehicle safety equipment, namely, back-up sensors and cameras; Vehicle safety equipment, namely, electronic tire pressure monitors