D'Addario PW-CT-20 Chromatic Pedal Tuner
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- 32-bit processor for fast response with True-bypass wiring
- Full-color vertical display / Power Requirements: 9V Battery or 9VDC (300mA) Power Supply
- Reference Pitch: A4 = 440 Hz / Calibration Range: 415 - 475 Hz
- Bypass: 27mA / Tuner with no input signal: 40mA
- Tuner with signal of max deviation (up or down): 56mA / Tuner in tune: 44Ma