Chromatic Tuner Flexible and Aggressive Korg AW2 / AW2G Clip-on Tuner! More flexible and more aggressive than ever before -introducing the Korg AW2 / AW2G, the definitive clip-on tuners that fit any instrument - ideal tuning guaranteed. •Clip-on chromatic tuner that attaches directly to a wind instrument or string instrument. •Now available in both White (AW2WH / AW2GWH) and Black (AW2 / AW2G) •AW2G comes with a clip that's optimized for attaching to a guitar headstock. •Double ball-joint allows multi-angle positioning with far greater mobility for the display section. •Internal backlight ensures excellent visibility even on a dimly lit stage. •Energy-saving Auto mode automatically switches to the low-power Soft mode when no sound is present •Korg's proprietary clip-on design safely fits a variety of instruments. •Select either the internal mic or the piezo sensor for optimum response. •Markings indicate pure major third and minor third intervals for beautiful, authentic consonance. •Meter Reverse function allows intuitive tuning from any viewing angle. •Calibration function accommodates a variety of concert pitches. •Auto Power Off function maximizes the battery life, even if you forget to turn the chromatic tuner off. •Memory Backup function.