Amplifiers; amplifier and speaker enclosures; electrical sound effect units for use with sound amplifiers, namely, electronic effect wah-wah pedals for use with sound amplifiers, echo sounding devices, electronic effect chorus and flange pedals for use with sound amplifiers, electronic effect impression and gate pedals for use with sound amplifiers, electronic effect delay and reverb pedals for use with sound amplifiers, electronic effect overdrive pedals for use with sound amplifiers, electronic effect envelope and synth pedals for use with sound amplifiers, electronic effect equalization pedals for use with sound amplifiers, electric foot switches, network routers and electronic effect expression pedals for use with sound amplifiers, guitar amp simulators in the nature of computer software the simulates guitar amps, electronic midi sound pick-ups for guitars and basses, electronic effect multi-effect pedals for use with sound amplifiers and electronic effect pedal boards for use with sound amplifiers, electronic effect octave and pitch shift pedals for use with sound amplifiers, electronic effect phrase and looping pedals for use with sound amplifiers, rack effect digital signal processors, electronic effect talk-boxes for use with sound amplifiers, electronic effect tremolo and vibrato pedals for use with sound amplifiers, electronic effect volume pedals for use with sound amplifiers, and parts and fittings for all of the aforesaid goods, namely, power adaptors and electric cords, electrical cables, electronic cables, guitar cables, cables for the transmission of sounds, electrical power supplies and audio transformers, amplifier tag circuit boards for use with amplifiers and sound effect units, audio vacuum tubes, and audio speakers