Microphones and accessories therefor, namely, microphone windscreens and diffusers, suspensions, cases, mounts, adapters, apertures, adapter plugs, holders, stands, clips, power and battery supply units, microphone cables and interconnecting cables and cordsets; audio interconnect cables; power cables; microphone transformers; audio mixers; preamplifiers; power amplifiers; audio amplifiers; wireless audio receivers; wireless audio transmitters; antennas; antenna distribution systems, namely amplifiers, combiners and splitters; antenna cables; antenna splitters; connectors and cables; wireless audio systems, namely microphones, receivers, transmitters, power supplies, cables and antennas; audio equalizers; audio processors; audio feedback reducers; power supplies; hard wired and wireless audio monitor systems, namely transmitters, receivers and earpieces; network interface systems, namely interface modules, software for monitoring and control of wired and wireless receivers and cables for wireless audio systems; microphone grilles; microphone mounts and adapters; microphone switches; mounts for attaching microphones or audio equipment to a user; video switcher interface; and parts and fittings thereof, microphones built into digital audio production equipment, namely analog to digital converters, signal processing equipment, namely, preamplifiers, equalizers, limiters, compressors, mixers, amplifiers, remote controls, and parts therefor