MASS ENGINEERING

television monitors, video monitors for automobile navigation systems; amplifiers; equalizers; sound processors including surround-sound processors; digital signal processors; channel dividers; digital/analog converters and frequency processors for audio and visual apparatus; audio speakers; television receivers; hardware for mounting audio and video equipment in vehicles sold as a unit with the aforementioned audio and video equipment for vehicles; remote controls for car audio apparatus or navigation apparatus or television apparatus; electrical extension cables; electrical communication cables; electrical interconnectors; batteries and battery chargers