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M-Audio O2 USB MIDI Controller

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Product 703611
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You can have the M-Audio O2 USB MIDI Controller with you anywhere, anytime. Small enough to fit in a bag along with your laptop, the slimline O2 is p...Click To Read More About This Product

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Ultra-thin and highly portable!

You can have the M-Audio O2 USB MIDI Controller with you anywhere, anytime. Small enough to fit in a bag along with your laptop, the slimline O2 is perfect for throwing down bass lines, programming drum patterns, triggering effects, and tweaking virtual studio parameters. 25 full-size, half-action, velocity-sensitive keys. There are 8 knobs and 8 buttons, all fully assignable. Other realtime controls like the assignable volume slider add to the performance and programming capabilities. One simple USB connection serves as both a MIDI interface and bus power source. Class compliancy with Windows XP and Mac OS X means you can get down to business without installing any drivers.

  • 25 full-sized, half-action, velocity-sensitive keys
  • 8 assignable knobs
  • 8 assignable buttons
  • Class compliant in Windows XP and Mac OS X
  • 5 non-volatile memory locations
  • Assignable volume slider
  • Modulation and pitch bend controls
  • ± octave buttons (±4 octaves)
  • Sustain pedal input
  • 3-digit LED screen
  • MIDI Out port
  • USB port
  • Kensington lock hole
  • Integrates with Enigma editor/librarian (a free download from M-Audio for registered users) for unlimited memory storage
  • MIDI support for CC values, note on/note off, Program and Bank Change, SysEx, and more
  • Includes Ableton Live Lite 4 music production software
  • Powered via USB or optional 9V DC adapter
  • 17-1/2"W x 1-1/2"H x 8.5"D, 3lbs.
  • System requirements:
  • Windows XP/Mac OS X 10.2.8 or higher
  • Available USB port

Review Snapshot

by PowerReviews

(based on 3 reviews)

Ratings Distribution

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Reviewed by 3 customers

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(1 of 1 customers found this review helpful)


Great For Home Studio

By Anonymous

from Undisclosed

I'm very pleased with it's weight and it's very comfortable and enjoyable to play.


Sturdy and easy to use

By Double Prime

from Lane County, Oregon

This is a brilliant piece of equipment. When I got it, I was literally able to plug it in and start using it, no setup, no installation, nothing. Plug it in and you're done. Being a DJ, I found it very easy to use for controlling effects and transitioning between tracks. On top of its quality features, it is also very portable. I can just unplug it, stick it in a bag, and go.Recently, I made the upgrade to Ableton Live 7, and I was very pleased with my results. Within 5 minutes of registration I was able to mix, apply effects, and play music. I would recommends the M-Audio O2 to anyone with an interest in music.


It just plain WORKS

By QY70

from Ontario, CA

See all my reviews

Not fancy, I don't really like the modulation lever, although the pitch bend lever is ingenious.I use this 90% of the time with Sibelius.It's small and light, perfect for your laptop.Works flawlessly with Mac (...and surprisingly with windows) after 6 months or so, the key action is becoming lighter (not as bouncy), perfect to my liking.I'd give "10" for the feature if it had audio interface.

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