A portable, pocket-sized tuning solution. 
Korg CA-2 Chromatic Tuner - features high-precision tuning functionality and a slim and compact design, now with even better visibility.

Scale : 12 note equal temperament

Detection Range: A0 (27.50Hz) - C8 (4186.01Hz): Sine wave

Reference Tone: C4 (261.63Hz) - C5 (523.25Hz): One octave

Tuning Modes: Meter mode, Sound Out mode

Calibration Range: A4 = 410Hz - 480Hz (1Hz steps)

Detection Accuracy: +/- 1 cent

Sound Accuracy: +/- 1.5 cent

Connectors: INPUT jack (1/4” monaural phone jack

Power Supply: Two AAA batteries (3V)

Battery Life: Approximately 200 hours (alkaline batteries, Meter mode, A4 continuous input): Approximately 100 hours (zinc-carbon batteries, Meter mode, A4 continuous input)

Dimensions (W x D x H): 100 x 60 x 16 mm / 3.94” x 2.36” x 0.63”

Weight: 67 g / 2.36 oz. (including batteries)

Included Items

Two AAA batteries for verifying operation