Amplifier for wireless communications; Amplifiers; Audio amplifiers; Distribution amplifiers for audio and video signals; Electronic effect pedals for use with sound amplifiers; Graphic equalizers; Guitar amplifiers; Loudspeakers with built in amplifiers; Musical instrument amplifiers; Optical semiconductor amplifiers; Power amplifiers; Pre-amplifiers; Racks for amplifiers; Sound amplifiers; Sound mixers with integrated amplifiers; Stereo amplifiers
Electrical and Scientific Apparatus