Clip-On Chromatic Tuner in Black TU-10CLIP ON TUNER WITH TRUE COLOR DISPLAY The BOSS TU line is synonymous with reliable, roadworthy and accurate tuning. Today, the worlds most famous tuner prefix gets clipped on with the debut of the TU 10. Reinventing the traditional image of clip on tuners, the TU 10 offers a stylish design and robust body with high performance features derived from other BOSS tuners, such as Accu Pitch, flat tuning up to five semitones, and Stream mode. A unique