The AW-OTG-POLY/AW-OTB-POLY represents the perfect combination of exceptional precision and stunning visibility that guitarists and bassists have been longing for. Each tuner comes equipped with cutting-edge OLED screen technology, allowing the display to be clear, smooth and perfectly visible from any angle. Additionally, its polyphonic tuner function allows you to play all strings at once and know at first glance which strings are out of tune. The AW-OTG-POLY/AW-OTB-POLY tuners offer a brand new tuning experience! Revered for its gorgeous display, the latest OLED technology is widely used in the tech industry on the latest televisions and smartphones. Seeing an opportunity to elevate the tuner category, KORG has decided to incorporate this state-of-the-art technology into its latest tuner family. Clear, bright and easily seen from any angle, the OLED display will make even the slightest movement in pitch perfectly visible. The AW-OTG-POLY represents the latest addition to KORG’s line of clip-on tuners and the first to incorporate polyphonic tuning function. You can play all strings at once and know at first glance which strings are out of tune. Once all the strings are displayed, you can easily adjust and fine tune each string, making tuning a speedy and stress-free process.The bass-specific AW-OTB incorporates several functions that will delight bass players. For the first time ever, this tuner incorporates a tempo finder function, which shows the tempo at which the bass line is being played. This will be a welcomed addition for performing bass players who need to lock into the tempo. Moreover, the AW-OTB incorporates a special circuit specifically designed to accurately recognize frequencies below 100 Hz allowing extended ranged basses with 5 or more strings to be tuned quickly and accurately.