Abdominal belt containing built-in speakers for purposes of transmitting music/sounds/educational material to a fetus and a built-in pockets in which to carry audio transmitters; Audio amplifiers; Audio cassette decks for automobiles; Audio cassette players; Audio cassette recorders; Audio circuit boards; Audio electronic components, namely, surround sound systems; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Audio mixers; A...