Korg CA-2 Chromatic Tuner
Tune confidently with the Korg CA-2 Chromatic Tuner, a compact and dependable tool designed for a wide variety of instruments. Its clear display and straightforward controls make checking pitch quick and easy during lessons, rehearsals, performances, or daily practice.
The CA-2 offers a broad A0–C8 detection range and adjustable calibration from A4 = 410–480 Hz, making it suitable for everything from standard concert tuning to specialized ensemble requirements. Meter Mode provides visual tuning guidance, while Sound Out Mode generates a reference tone from C4 to C5. Detection accuracy is rated at ±1 cent. Official Korg specifications
A built-in microphone supports acoustic tuning, while the 1/4-inch input allows compatible instruments or an optional contact microphone to connect directly. Powered by two AAA batteries, the tuner provides approximately 200 hours of operation with alkaline batteries under Korg’s stated testing conditions.
Compact, lightweight, and easy to operate, the Korg CA-2 is a practical choice for students, teachers, individual musicians, bands, and ensembles.
Product Highlights:
Compact chromatic tuner for a wide range of instruments
Clear display for quick pitch recognition
Broad A0–C8 detection range
Adjustable A4 calibration from 410–480 Hz
Meter and Sound Out tuning modes
Detection accuracy within ±1 cent
Built-in microphone for acoustic instruments
1/4-inch input for direct connection
Approximately 200-hour alkaline-battery life
Lightweight and portable for lessons, rehearsals, and performances
Specifications:
Brand: Korg
Model: CA-2
Product type: Chromatic tuner
Temperament: 12-note equal temperament
Detection range: A0 (27.50 Hz)–C8 (4186.01 Hz)
Reference-tone range: C4 (261.63 Hz)–C5 (523.25 Hz)
Tuning modes: Meter Mode and Sound Out Mode
Calibration range: A4 = 410–480 Hz in 1 Hz increments
Detection accuracy: ±1 cent
Sound accuracy: ±1.5 cents
Input: 1/4-inch monaural phone jack
Power: Two AAA batteries
Approximate alkaline-battery life: 200 hours
Dimensions: 3.94 x 2.36 x 0.63 inches
Weight: Approximately 2.36 ounces with batteries
Optional accessory: Korg contact microphone
Specifications are based on Korg’s official CA-2 product information.
Shipping
We offer $7.95 flat-rate shipping to the lower 48 states. Shipping to Alaska and Hawaii is calculated by weight during checkout.
Orders over $300 receive free ground shipping to the lower 48 states.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.)
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.
