Electrical and electronic apparatus and appliances for analogue, digital, optical and/or wireless reception, processing, reproduction, regulation or distribution of light, sound or picture signals; audiovisual equipment attached hereto; television sets; radio receiving sets; amplifiers; loudspeakers; sound recorders or players; carriers of stored signals; remote control units; electric cables and wires; electric and electronic apparatus and appliances for data processing and for input, output and storage of data; magnetic and optical data carriers; data processing equipment; software, including software for controlling, configuring, designing and customizing sound and acoustic systems; application software, including software for controlling, configuring, designing and customizing sound and acoustic systems; cabinets for loudspeakers; wall mountings adapted for loudspeakers; parts, fittings and spare parts for all the aforementioned goods included in this class.