Apparatus for the recording, transmission and reproduction of sound and images; Audio cables; Audio mixers; Audio-frequency transformers; Earphones and headphones; Electrical signal attenuators; Electronic sound pickups for guitars and basses; Microphones; Sound cards; Sound mixers; Sound recording apparatus; Sound systems comprising remote controls, amplifiers, loudspeakers and components therefor; Sound transmitting apparatus; Speaker enclosures; Wireless communication devices for voice, da...