HEADLIGHT

Electronic foot-controlled guitar amplifier, bass amplifier, keyboard amplifier, and musical instrument amplifier selector; guitar, bass, keyboard, and musical instrument audio signal switcher; guitar, bass, keyboard, and musical instrument audio signal mute selector; guitar amplifier, bass amplifier, keyboard amplifier, and musical instrument audio signal combiner; audio signal input buffers for use with guitar, bass, keyboards and musical instruments; guitar amplifiers, bass amplifiers, keyboards amplifiers, and musical instrument amplifiers, and instructional manuals, sold as a unit