CHORUSOUND

Subwoofers; Acoustic amplifiers; Acoustic amplifiers for mobile devices; Acoustic conduits; Acoustic coupling devices; Apparatus for wireless transmission of acoustic information; Audio interfaces; Audio mixers; Audio receivers; Audio speaker enclosures; Audio speakers; Audio speakers for automobiles; Digital audio players; Digital sound processors; Portable audio players; Signal processors for audio speakers; Sound amplifiers; Sound equalizers and crossovers; Soundbar speakers