Headphones; Electric effects units for musical instruments; Electric and electronic effects units for musical instruments; Electronic effects units for musical instruments; Guitar amplifiers; Guitar effects processors; Stereo headphones; Audio headphones; Music headphones

Guitar amplifiers; Guitar cables; Guitar effects processors; Headphones; Audio headphones; Electric effects units for musical instruments; Electric and electronic effects units for musical instruments; Electrical pickups for use with musical instruments; Electronic effect pedals for use with sound amplifiers; Electronic effects units for musical instruments; Electronic control circuits for ELECTRONIC MUSICAL INSTRUMENTS; Electronic effects pedals for use with musical instruments; Electronic s...