tc electronic PolyTune 3 Tuner/BufferPedal tuner Polyphonic Tuner and Buffer Buffer circuit preserves tone quality when using long cables or multiple effects pedals Polyphonic tuning: all strings can be tuned simultaneously Fast chromatic tuner with + 0. 5 cents accuracy Strobe tuner with precision index to + 0. 2 cents The "Always On" mode displays the pitch even when the Polytune 3 is not in "Mute" mode Automatic brightness adjustment Super bright 109 LED display with automatic