Audio speakers; Audio speakers for automobiles; Audio speakers for home; Car speaker components; Car speakers; Electric leads for speakers; Monitor speakers; Personal stereo speaker apparatus; Public address speaker systems; Signal processors for audio speakers; Speaker switches; Speakers (audio equipment); Speakers for compact disc players; Speakers for computers; Speakers for record players; Speakers for tape players; Warning loud speaker apparatus for mounting on the roof of emergency services vehicles; Auto transformer starters being control apparatus; Capacitive voltage transformers; Current transformers; Electric current transformers; Electric devices for use in the protection of transformers; Electric transformers; Electrical power packs comprising transformers and rectifiers; Electrical reducing transformers; Electrical transformers; Electricity transformers; Electronic transformers; Frequency transformers; Impedance transformers; Power packs (transformers); Power supply apparatus (transformers); Power supply devices (transformers); Power supply units (transformers); Power supply units comprising transformers; Power units (transformers); Regulating transformers; Step-up transformers; Transformer units; Transformers (electricity); Voltage transformers; Apparatus for electricity supply; Amplifier tuners; Amplifiers; Audio amplifiers; Digital amplifiers; Dual amplifier balancers; Electric amplifiers (current); Electrical amplifiers; Electronic amplifiers; Guitar amplifiers; Headphone amplifiers; Image amplifiers; Power output amplifiers; Signal amplifiers; Sound amplifiers; Stereo amplifiers; Transportable guitar amplifiers; Voice amplifiers for detecting doorbells; Electric inverters; Electrical inverters; Electricity inverters; Inverters (electricity); Battery chargers; Chargers for electric batteries; Consumer type nickel cadmium battery chargers; Electric battery chargers; Portable field chargers; Power supply devices for battery chargers