Microphones; Speaker microphones; Booms for microphones; Microphone modules; Microphone boom pole; Microphone cables; Microphone stands; Headphones; Sound amplifiers; Audio amplifiers; Vibration dampeners for electronic audio equipment; Sound filters made of cloth, for radio apparatus; Studio audio monitors for music production; Optical cables; Connection cables; Audio cables; Audio speakers; Stands adapted for stereos and audio speakers; Wireless speakers; Wireless microphones with integrate...

Acoustic insulators; Acoustic insulating panels; Acoustic insulation materials; Acoustic insulation panels; Acoustical insulating barrier panels; Foam glass for use as an insulating material; Foam sheeting for use as a building insulation