Microphone modules; microphone stands; microphone cables; musical instrument amplifiers; sound amplifiers; sound mixers; headphones; headsets for telephones; headsets for use with computers; headsets for use with mobile phones; earphones; earphones and headphones; in-ear monitors not for medical purposes; power amplifiers; soundboards; graphic equalizers; stereo crossovers; sound equalizers and crossovers; audio faders in the nature of audio apparatus that increase or decrease the level of audio signal; cases for music, namely, cases for MP3 music players, cases for headsets, and cases for wireless microphones; audio and related electronic equipment, namely, cases for audio tuners, audio receivers, amplifiers, tape players, compact disc players, mp3 controllers/players, audio mixers, audio speakers in the nature of music studio monitors, microphones, audio speakers, compact discs, audio tape, portable computers, antennas, phonographic record players, audio recording equipment, and the cables associated with all of the foregoing equipment; electric audio playback units with lights and speakers; audio cables; wireless microphones; wireless microphone modules; wireless musical instrument amplifiers; wireless sound amplifiers; wireless sound mixers; wireless headphones; wireless headsets for telephones; wireless headsets for use with computers; wireless headsets for use with mobile phones; wireless earphones; wireless earphones and headphones; wireless in-ear sound, music and/or noise monitor system primarily comprised of wireless transmitter and receiver not for medical purposes; wireless power amplifiers; wireless sound boards; wireless graphic equalizers; wireless stereo crossovers; wireless sound equalizers and crossovers; wireless audio faders in the nature of in the nature of audio apparatus that increase or decrease the level of audio signal