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M-Audio O2 25-Key MIDI Controller with USB

Built-in 16-channel USB MIDI interface. 25 full-size, half-action, velocity-sensitive keys.

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"Sexy looking, adequate for the job at hand, great size and shape and I can live with the pitch bend being a level button and not" submitted December 24, 2010

By a customer from yahoo.com
Overall
Sound
Features
Ease of Use
Quality
Value
Manufacturer Support
The Wow Factor
Musical Background: active musician + recording engineer
Music Style: all styles
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Sound: I haven't used it for more than a couple of hours yet so I'll give it a 9/10. this is my first Midi controller although I used a W30 previously in another studio, so i won't elaborate due to little experience but as a first controller for the price for anyone who wants to buy it I'd say go ahead, especially if you can get it cheaper. Feature: No accessories but the power thru the USB is useful and cuts down on too many leads a working studio tends to gather up. Ease of Use: The keys have an adequate finger response much better than some others I tried out. I put 8/10 - 6 being the minimum i would expect from other keyboards and 10/10 being a real piano. Quality: 8/10 because it's made from plastics. It has a real sturdy feel to it. I'd have it in a case for touring just to be sure. i have no idea about the parts inside as i won't open it up but I feel I can certainly trust it. I hope it never breaks down. Value: It could be sold for less. Manufacturer Support: No Overall: I'd replace it for a little more than I paid for it but I got mine for 40% of the retails price
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M-Audio O2 USB Keyboard Customer Review submitted December 3, 2005

By a customer from hotmail.com
Overall
Sound
Features
Quality
Value
Manufacturer Support
The Wow Factor
Musical Background: Novice Recording Engineer and potential musician
Music Style: Variety
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Sound: Being a beginner I would say the best so far. Feature: Has a Handful of Feature to utilize Quality: On average this product is good to use for about a year and maybe a little more. Value: I wouldn't purchase fro more than the current price. Manufacturer Support: The Manufacture are dedicated to their customers, So their worth the score
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M-Audio O2 USB Keyboard Customer Review submitted April 5, 2006

Overall
Features
Ease of Use
Quality
Value
The Wow Factor
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VERIFIED BUYER
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Sound: N/A Feature: I wish the modulation and the pitch bend were actually a wheel rather than the weird pressure button it is. It's hard to make exact modulation/pitch bend changes. Also, why does it not come with an AC adapter?! Other than that, every thing works really well. Ease of Use: Just plug it in and use it, pretty simple. Quality: Very sturdy and also pretty light. Very thin as well. Value: At the current super discounted price, its a very good value. Manufacturer Support: Never needed any support. The Wow Factor: It looks a whole lot better than the Oxygen...as in, it doesn't look like a toy. The silver colors make it look kindof sleek.
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"buy this nothing else" submitted December 14, 2004

Overall
Sound
Features
Quality
Value
Manufacturer Support
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Sound: sound quality for is excellent, plays like a full size piano, very handy if you just want to pick up and play. great to carry to school or just sit down on your couch and play with it on your lap. it really doesn't need any other equipment, though head phones are nice, so the key board is less distracting to others. Feature: head phones are great for it The Wow Factor: it is fun to look at
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"Does exactly what it is advertised to do and does it very very well." submitted April 18, 2007

By a customer from hotmail.com
Overall
Features
Ease of Use
Quality
Value
The Wow Factor
Musical Background: Producer
Music Style: Hip Hop
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SPOTLIGHT REVIEW
Sound: does not apply since this is a midi controller Feature: just fine for the price; you want more, you spend more Ease of Use: very easy to use overall Quality: so far, the quality is top notch for a controller in this price range Value: terrific value Manufacturer Support: does not apply; i never had to use m-audio cust. support The Wow Factor: the o2 looks great and the thin profile does make it highly portable Overall: you must understand that this product does everything advertised. yes, the keys arent weighted or full stroke, but that's why its very portable (this is the way it was made; meant for). but its also very fun to play with and you get used to the key strokes and such. please review a product understanding the end market for such an item. for instance, dont bash a model because it is lacking in features that a more expensive item possesses, etc...
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