AXDXA

Amplifiers; musical instrument amplifiers; audio amplifiers; audio mixers; computer software to control and improve audio equipment sound quality; electric audio playback units with lights and speakers; audio speakers; electrical pickups for use with musical instruments; echo devices for use with musical instruments; musical instrument adaptors; musical instrument connectors; frequency converters; frequency boosters; frequency equalizers; musical tone converters

Musical instruments; tuners and tuning apparatus for musical instruments; tuning forks