A portable, pocket-sized tuning solution. The CA-50: the standard tuner for orchestral instruments, now with even better visibility.

Specifications
Scale: 12 note equal temperament
Detection Range (Sine wave): A0 (27.5Hz) – C8 (4186Hz)
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), OUTPUT jack (1/4'' monaural phone jack)
Internal Speaker: Dynamic Speaker (21mm)
Power Supply: AAA battery (3.0 V) x 2
Battery Life: Approximately 135 hours (zinc-carbon batteries, Meter mode, A4 continuous input)
Dimensions (W x D x H): 100 mm x 67 mm x 17 mm / 3.94'' x 2.64'' x 0.67''
Weight: 81 g / 2.86 oz. (including batteries)

• Included Items: Two AAA batteries for verifying operation
• Accessories: CM-200 Contact Microphone (Sold Separately)