Korg CA40 Chromatic Pass-Through Tuner
Wide Detection Range, Energy Efficient
Free USA Shipping!
Peace Of Mind - Authorized Korg Dealer!

Korg CA-40 Chromatic Pass-Thru Tuner
Korg CA-40 Chromatic Pass-Thru Tuner
Item# KO-CA40
Suggested Retail: $35.00
Our Low Price: $24.99

Select Sounds LLC is proud to be an authorized dealer of Korg products.

About this item: Superior features like a large, easy-to-read, LCD needle-style display, and input output connections for 'through the tuner' tuning, the Korg CA-40 Chromatic Tuner is a great value!

The Korg CA-40 packs in only the essential features:
  • Wide Detection Range from A0-C8.
  • Easy-to-read display: Bypass function.
  • Built-in Microphone: Compact Chromatic Tuner, ideal for use with brass band or orchestra.
  • Built-in 1/4" Jack: Sound Out function.
  • Energy Efficient: Powered by two AAA batteries (included) for about 85 hours of life (of normal operation).
  • Wide Range: Adjustable Calibration.
  • Audible Pitch: Auto Power Off function.
  • Auto Power Off: Memory Backup function.


Scale: 12-note equal temperament
Detection Range: A0 (27.50 Hz) - C8 (4186.01 Hz): for a sine wave
Reference Tone: C4 (261.63 Hz) - C5 (523.25 Hz): 1 octave
Tuning Modes: Meter Mode (auto), Sound Out Mode (Manual)
Calibration Range: A4=410 Hz - 480 Hz (1 Hz steps)
Accuracy: Detection: +/- 1 cents or better; Tone: +/- 1.5 cents or better
Connectors: Input Jack (1/4" monaural phone jack)
Speaker: Dynamic speaker (28mm diameter)
Power Supply: Two AAA batteries (3V), included
Battery Life: Approximately 85 hours (Meter Mode, Continuous A4 input, zinc-carbon batteries)
Dimensions: 3.94" (W) x 2.64" (D) x 0.67" (H) / 100 (W) x 67 (D) x 17 (H) mm
Weight: 0.19 lbs. (88 g) including batteries
Included Items: Two AAA batteries for verifying operation

Korg tuners and metronomes purchased from Select Sounds, a Korg USA authorized dealer, have a three year warranty (See the Korg website for details).

Manufacturer Part #: CA-40

Exploded View Showing Front, Top, Bottom, and Sides

Note To Our Friends In Canada: At this time, this item is not available for shipment to Canada. If added to your cart, it will be removed before your order ships. If this item is the only item in your cart, your order cannot be processed.