9 Audiovisual apparatus, namely, audiovisual receivers; measuring and surveying apparatus, namely, computer-controlled apparatus for measuring audio signals, not for medical purposes; devices and controllers, namely, power controllers, audio system controllers, dynamic controllers, analogue or digital sound processing controllers; recorded computer software, namely, software for controlling and improving computer and audio equipment sound quality, for controlling the operation of audio and video devices, and for processing digital music files; recorded data, namely, pre-recorded compact discs featuring music, and optical, digital and magnetic media for electronic storage of music; loudspeakers; loudspeaker systems comprised of horns for loudspeakers, amplifiers, high frequency drivers, tweeters, woofers, and crossovers, analogue or digital sound processing controllers, and housings for loudspeakers; subwoofers; sounding apparatus, namely, sound recording, transmitting, processing and reproduction apparatus; electric filters, namely, sound filters, electric filters for processing and synthesizing acoustic audio signals; equalizers being audio apparatus; dynamic controlling apparatus for acoustic signals, namely, analogue or digital sound processing controllers, electronic sound pickups for musical instruments; audio mixers, audio amplifiers, converters, electronic sound pickups for guitars and basses; microphones; audio interfaces; integrated circuits; parts and accessories for the aforementioned goods, namely, loudspeaker cables, microphone cables, electrical power supplies, stands, cases; accessories for loudspeakers and microphones, namely, specially adapted covers, carrying bags and storage bags for loudspeakers and for microphones