Sweetwater is an Authorized Boss Dealer. Boss TU-3S Chromatic Tuner (3-pack) Bundle. Compact Guitar and Bass Tuner Pedal with 21-segment LED Meter, Drop Tuning Support, and Guitar/Bass Mode.
BOSS TU-3S Chromatic Tuner Pedal Features at a Glance. A compact version of the TU-3 chromatic tuner pedal. 21-segment LED meter with brightness control. High-brightness mode enhances meter visibility outdoors. Accu-Pitch sign function provides visual verification when tuning is complete. Chromatic and Guitar/Bass modes (tune by string number, with support for 7-string guitars and 6-string basses). Guitar Flat mode allows for Drop tunings up to 6 semitones below standard pitch. Always on and ready to go. Can supply power for up to 7 BOSS compact effect pedals. Keep your axe in tune with the BOSS TU-3S chromatic tuner pedal! 35-95mA (in High Brightness mode).More than 30 years in business. Free tech support from audio experts.