Rubber and non-metallic foam for use in sound absorption; rubber and non-metallic foam for use in sound insulation; insulating materials for insulation against sound; rubber and non-metallic materials for acoustic insulation; acoustic insulating barrier panels made from non-metallic materials

Microphones; sound equipment, namely, loud speakers, headphones, earphones, wired and wireless for use with personal computers, other computerized devices, mobile devices or telecommunications equipment; electric, audio and sound equipment, namely, sound recording and sound reproducing apparatus and instruments, apparatus for recording, transmission or reproduction of sound, digital sound processors, and manipulation of sound and audio signal in the nature sounds boards, excluding musical ins...