Audio speakers; Audio speakers for automobiles; Audio speakers for home; Car speaker components; Car speakers; Electric leads for speakers; Monitor speakers; Speaker switches; Speakers (audio equipment); Speakers for computers; Speakers for record players; Speakers for tape players; Warning loud speaker apparatus for mounting on the roof of emergency services vehicles; Control boxes for headphones; Covers for headphones; Headphone amplifiers; Headphone consoles; Headphone-microphone combinations; Headphones; Headphones for audio apparatus; Headphones for microphones; Plug adaptors for headphones; Stereo headphones; Stereo headphones for personal entertainment use; Stereophonic apparatus incorporating headphones for personal use; Stereophonic headphones