4results TU-12EX Chromatic Tuner Industry-standard chromatic tuner with BOSS standard features. View Product TU-12 Chromatic Tuner The professional industry-standard automatic chromatic tuner. View Product TU-12BW Chromatic Tuner Chromatic tuner designed exclusively for brass and wind instruments. View Product TU-12H High Range Chromatic Tuner The industry-standard chromatic tuner with extra-high tuning range. View Product