Riff

Class [9]
Computer & Software Products & Electrical & Scientific Products

Amplifier tuners;Amplifiers;Amplifiers for bass guitars;Amplifiers for musical instruments;Amplifiers for vehicles;Aerial amplifiers;Audio amplifiers;Audio frequency amplifiers;Computer software for controlling amplifiers;Control amplifiers;Control units for amplifiers for use in vehicles;Digital amplifiers;Distribution amplifiers;Dual amplifier balancers;Electrical amplifiers;Electrical amplifiers for sound signals;Electrical amplifiers for use with musical instruments;Electroacoustic amplifiers;Electronic amplifiers;Electronic effect pedals for use with sound amplifiers;Gene amplifiers;Guitar amplifiers;Headphone amplifiers;Integrated audio amplifiers;Keyboard amplifiers;Loudspeakers with built in amplifiers;Musical instrument amplifiers;Power amplifiers;Pre amplifiers;Racks for amplifiers;Signal amplifiers;Sound amplifiers;Sound amplifiers for musical instruments;Sound mixers with integrated amplifiers;Stereo amplifiers;Transportable guitar amplifiers;Tube amplifiers;Valve amplifiers.