9 Microphones and accessories therefor, namely, microphone windscreens and diffusers, suspensions, cases, mounts, adapters, adapter plugs, holders, stands, power and battery supply units, microphone cables and interconnecting cables; signal processing equipment, namely, preamplifiers, equalizers, limiters, compressors, mixers, audio apparatus and electronic equipment for converting signals and formats, namely, analog/digital and digital/analog converters, digital format converters, digital I/O devices, digital signal processors (DSP) microphone preamplifiers, audio filters, analog and digital processing equipment for audio