Acoustical insulation for buildings; Architectural acoustic products, namely, sound absorbers and diffusers; Polyurethane foam sheeting for use as building insulation; Sound absorbing flooring underlayment; Sound control flooring underlayment; Soundproofing materials; Soundproofing materials for buildings; Soundproofing materials for buildings and machinery

Cables, namely, microphone, instrument and patch cabling

audio systems for industrial, commercial and educational applications, namely, intercoms, amplifications and sound systems comprising audio speakers, amplifiers, and audio receivers