Loudspeaker systems; Loudspeakers; Loudspeakers with built in amplifiers; Audio amplifiers; Audio circuit boards; Audio electronic components, namely, surround sound systems; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Audio speaker enclosures; Audio speakers; Digital audio players; Distribution amplifiers for audio and video signals; Electric audio playback units with lights and speakers; Electronic products for the manipulation of the frequency, time, and amplitude characteristics of audio signals, namely, audio processors; Software to control and improve audio equipment sound quality; Transmitters and receivers for audio and video signals for transmission over twisted pair cables; Computer software for manipulating digital audio information for use in audio media applications
Electrical and Scientific Apparatus