The TC Electronic PolyTune 3 Noir is an ultra-compact tuner that combines polyphonic, chromatic, and ultra-precise strobe tuning modes within a black mini-chassis. It integrates the renowned Bonafide Buffer circuit to prevent signal loss across long cable runs and complex pedalboards. The pedal automatically detects whether a single string or all strings are plucked and adjusts the display mode accordingly. A dedicated switch allows users to toggle between True Bypass and Buffered Bypass modes for maximum signal flexibility. The display features an ambient light sensor that automatically adjusts the brightness of its 109 LEDs to suit the lighting conditions.