Works and look great. Tested on AC adapter and batteries. The battery springs were rusted away and have been replaced with new parts. See pictures.

Includes:

• Black Suzuki OMC-3 molded plastic modular carrying case.
• Compatible 120V AC to 12V DC (negative (-)) tip/center adapter.
• Omnichord OM-300 Instruction (owner's) Manual.
• Melody Keyboard Overlay.
• "Strum Here" demo overlay.

Notably used by Damon Albarn on the song "Clint Eastwood" from the first Gorillaz album in 2001. It was also notably used live by David Bowie at Madison Square Garden, New York, NY on October 20, 2001 for the charity "Concert for New York City" after 9/11. He performed the song "America" by Simon & Garfunkel with only an Omnichord OM-300. Search YouTube for "David⚡️Bowie - America (Simon & Garfunkel cover)".

On March 7, 2026, Gorillaz performed "Clint Eastwood" on SNL and showed the OM-300 at first. See video and screen grab.

Features:

• 84 chords (12 keys * 7 variations (major, minor, 7th, major 7th, minor 7th, augmented 5th, diminished))
• 10 strumplate and chord voices (Omnichord, guitar, harp, banjo, strings, piano, organ, celeste, marimba and steel drums) with sustain and volume controls
• Auto chord, chord plus and manual chord modes
• 10 rhythms (including Rock 1 used by Damon Albarn on Gorillaz Clint 
Eastwood) with drum fill for each, synchro start, tempo and volume controls
• Chord memory sequencer which can be toggled through using enter button or optional foot switch (not included)
• 20-note melody keyboard with 5-note polyphony and 10 sounds (organ, banjo, trumpet, harmonica, piano, electric bass, human voice, marimba, calliope and steel drums)
• Built-in speaker
• Demo song "When The Saints Go Marching In" in 10 different styles
• 1/4" output jack
• MIDI Out so you can strum or play a MIDI-enabled synthesizer, keyboard or sound module
• Runs on 8 "C" batteries or 12V (negative center) AC adapter. Batteries not included.

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