Earphones; Headphones; Speakerphones; Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; Audio adapter cables; Audio amplifiers; Audio speakers; Cable connectors; Cables for the transmission of sounds and images; Loud speaker systems; Musical instrument amplifiers; Musical recordings; Musical sound recordings; Recording and playing devices for sound and image carriers; Sound amplifiers; Sound and picture recording apparatus; Sound recording...