Audio amplifiers; Audio apparatus; Sound recording apparatus; Sound reproduction apparatus; Audio mixing apparatus; Audio speakers for automobiles; Audio speakers for home; Car audio apparatus; Headphones; High fidelity audio apparatus; Headphone-microphone combinations; Headsets for use with computers; Instruments for the reduction of noise in systems for recording audio signals; Electroacoustic transducers; Digital sound processors; Car stereos; Audio speakers for vehicles; Noise cancelling apparatus; Musical instrument amplifiers; Microphones; MP3 players; Loudspeakers; Loudspeaker stands [adapted for]; Speaker enclosures; Sound recorders; Sound processors; Sound mixing apparatus; Sound amplifying receivers; Radio receiving tuners; Racks for loudspeakers; Public address speaker systems; Portable sound reproducing apparatus; Vehicle stereos; Stereo headphones; Speakers [audio equipment]; Apparatus for the processing of images; Car televisions; Digital televisions; DVD recorders; Digital video recorders; Electronic display panels; Video disc players; Displays for television receivers; Television apparatus; Projectors; Batteries; Battery chargers; Computer software applications, downloadable; Computer software to enhance the audio-visual capabilities of multimedia applications; Interactive entertainment software for use with personal computers; Software to control and improve audio equipment sound quality; Mounting cradles [electrical]; Mounting fittings for radios; Speaker enclosures; Racks adapted to house audio apparatus; Speaker switches; Mobile phone speakers; Loudspeaker drive units; Opticians' goods; Sunglasses.;