consulting services provided to end-users of sound equipment; consulting services provided in the field of motion picture and television productions; sound component design for others

commercial sound equipment, namely, wireless audio transmitters, wireless audio receivers, antennas, wireless microphones, audio mixers, signal processors, [ digital telephones, ] equalizers, audio level adapters, sound amplifiers, logic interface for use with wireless sound equipment described herein, noise generators, audio connectors; electric power supplies, software for monitoring and controlling audio sound equipment described herein