clutches for machines

Apparatus for recording, transmission or reproduction of sound and images; namely, loudspeakers; subwoofers; headphones; earphones; mini audio systems comprising amplifiers and speakers; portable music players; MP3 players; audio amplifiers; audio signal processors; Audio-video receivers; computer software for reproducing, effecting, and recording sound; computer software for playing music; downloadable electronic music provided from a computer network; mini audio systems comprising amplifier...