The TU-2 Chromatic Tuner incorporates BOSS' world renowned TU-Series tuner technology into an ultra-convenient stompbox design. For the first time ever, guitarists and bassists can now tune their instruments with BOSS accuracy with just a single stomp. -BOSS world-renowned TU-Series tuner accuracy in a convenient stompbox design -Mute/Bypass select for silent tuning with a single stomp -11-point LED indicators and new "stream" meter display tuning discrepancy via speed and direction of LED's (speed of LED movement gets slower as pitch becomes more accurate) -7-segment LED displays string and note names, easily visible on dark stages -Seven easy tuning modes include Chromatic, Guitar Regular, Guitar Flat, Guitar Double Flat, Bass Regular, Bass Flat, Bass Double Flat -Tuning mode setting and display style choice stored in memory -Adjustable reference pitch from 438 to 445Hz -Footswitchable Tuner Off mode preserves battery life by disabling LED'