Loudspeakers; audio frequency amplifiers; audio signal processors for speakers; downloadable computer software for setting up loudspeakers, aiming loudspeakers, configuring amplifiers, digital processing of sound and audio signals, programming and configuring digital audio equipment, simulating room acoustics
Electrical and Scientific ApparatusInstallation and repair of loudspeakers, audio frequency amplifiers and audio signal processors for speakers and consultancy services related thereto
Building Construction and RepairRental of audio equipment, namely, loudspeakers, audio frequency amplifiers and audio signal processing devices
Education and Entertainment