Cutting-edge design, with a superbly visible displayUltra-high tuning accuracy of +/- 0.1 centsFour meter display modesThe true bypass has absolutely no effect on the soundDC out allows a parallel connection for powering other pedalsCompletely eliminates noise caused by using a power supplyAchieves up to 60 hours of battery life

Scale12 note equal temperament
Detection RangeE0 (20.60 Hz) – C8 (4186 Hz)
Calibration RangeA4 = 436 – 445 Hz (1 Hz steps)
Detection Accuracy+/- 0.1 cent
Input Impedance1 M-ohm (tuner on)
Display ModesRegular, Strobe, Half-strobe, Mirror
ConnectorsINPUT (mono 1/4” jack), BYPASS (mono 1/4” jack), DC 9V IN, DC 9V OUT
Power Supply9V type battery (6F22/6LR61) x 1 or AC adaptor (9V)
Battery LifeApproximately 60 hours (6LR61, A4 continuous input, tuner on, display mode: Regular mode)Approximately 30 hours (6F22, A4 continuous input, tuner on, display mode: Regular mode)
Current ConsumptionMaximum 20 mA
Dimensions (W x D x H)68 x 111 x 47 mm / 2.68” x 4.37” x 1.85” (including rubber feet)
Weight257 g / 9.07 oz. (including battery)
Included Items9V battery x 1

Model:  PB-AD-RD
Brand:  Korg
Type  FX