TU-3 Chromatic Tuner with Bypass


1 in stock

SKU: TU-3 Category: Tag:


Boss TU-3 ChromaticTuner



Tuning Range: C0 (16.35Hz)–C8 (4186Hz)

Reference Pitch: A4=436–445 Hz (1Hz step)

Tuning Accuracy: ±1 cent

Power Supply: Alkaline battery (9V, 6LR61) or Carbon-zinc battery (9V, 6F22) AC adapter (sold separately)


Hear directly from the source about the Boss TU-3 Chromatic Tuner:


Learn about Coffey Music!

Coffey Music is an independently owned and operated full service music store located directly on Main Street in Westminster, MD. We have been serving Carroll County Maryland since 1984 and in that time have grown to become Carroll County’s largest and best music store!


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