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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
acoustic and sound reinforcement equipment, namely, acoustic lenses for loudspeaker horns; analog and digital sound mixer units, cabinets and enclosures for high fidelity audio,active and passive audio dividing network consisting of a device commonly known as a 'crossover' for use with loudspeaker cabinets, all sold as a unit for speaker systems, drivers in the nature of audio speaker parts for all frequency ranges; electrical cable and connectors,electronic signal processors, equalizers, headphones, high frequency transducers that convert electrical impulses received at its voice coil to acoustic signals through its cone, stage monitor loudspeakers, and side-fill loudspeakers, home-theater loudspeakers, in-wall loudspeakers, loudspeakers, loudspeaker drivers, loudspeaker folded horn enclosures, all sold as a unit, microphones, microphone attenuators, microphone carrying cases,microphone filters, electrical power supplies for microphones, microphone stands,microphone stand clamps and mounts, microphone switches, microphone transformers, microphone windscreens,- co-axial and electrical cables and wires,- and accessories for sound mixers, namely, expander consoles, meter bridges, support stands, equipment racks, rack mount brackets, connecting and mounting brackets, and mounting rails, all for use with mixers, master faders, musical instrument amplifiers, passive radiators (non-energized loudspeakers) for stereo enclosures, powered loudspeakers, power sound amplifiers, pre-amplifiers, public address systems consisting of loudspeakers, amplifiers, audio mixers, and microphones, all sold as a unit, speakers, speaker cabinets, speaker drivers, baffles, and enclosures, transducer energizers in the nature of power amplifiers for public addressing,stage monitor and side-fill loudspeaker enclosures, electrical transformers for use with loudspeakers, volume controls