D'Addario
D'Addario Micro Soundhole Tuner
SKU: PW-CT-15The D'Addario Chromatic Micro Soundhole Tuner mounts discreetly inside the soundhole of acoustic guitars and ukuleles, keeping it virtually invisible during performances while remaining easy to read with its multi-color display in any lighting. A highly sensitive piezo transducer reads vibrations directly through the soundboard, with a calibration range of 410–480 Hz to accommodate a wide variety of tuning standards.