BOSS TU-12BW Chromatic Tuner for Brass & Wind

The TU-12BW Chromatic Tuner for Brass & Wind from Boss is ideal for keeping your wind or brass instrument in tune. This slim, sleek tuner has an internal microphone or an external clip-on contact mic for easy tuning with the Boss exclusive feature, Accu-Pitch, which verifies tuning is complete with an audible beep.