CARPENTERSVILLE, Ill.,May 19, 2015/PRNewswire/ -- OTTO, an industry leader in the design and manufacturing of two-way radio accessories, is excited to announce the release of the new Revo NC2 speaker microphone. The Revo NC2 brings OTTO's revolutionary, patent-pending noise canceling technology to the user delivering optimum voice clarity and performance while operating in noisy environments.Revo NC2 features a large, ergonomic push-to-talk button for easy activation and a newly redesigned clip providing excellent retention and featuring 45 degree rotating detents. The high/low volume switch allows users to easily adjust the volume setting to ensure the speaker microphone can be heard regardless of the operating environment. An accessory jack is included for use with earphone kits. Optional emergency button is available on certain models.Revo NC2 couples a sleek ergonomic profile with a high-quality build that has been rigorously tested to ensure it excels in even the most demanding applications. Sealed to the IP68 standard, Revo NC2 is tested to withstand submersion in 1 meter of water for 31 minutes and is fully protected against dust and debris entry. It is ideal for use in the public safety sector, industrial manufacturing, mining, construction, and any noisy environment that requires rugged, dependable equipment.For more information on the Revo NC2, please visitwww.ottoexcellence.com/nc2About OTTOOTTO designs and manufactures a full line of two-way radio accessories for the most demanding applications including public safety, fire, police, security, surveillance, hospitality and industrial markets. OTTO's full line of accessories includes surveillance kits, lightweight and heavy-duty headsets, remote speaker microphones, skull and throat microphones and tactical headsets. OTTO supports a wide range of radio platforms providing accessories to most major two-way radios. For more information, please visitwww.ottoexcellence.com.