Tuner for Guitar & Bass!
  • Needle-style tuning display
  • Large note-name and string display
  • Compact, lightweight housing
  • Dedicated tuning functions for guitar and bass
  • ±1200 Hours Non-Stop Tuning
  • Tuning Modes: Meter and Sound Out modes
Variants (1)
Korg CA-2
Korg CA-2
Korg CA-2
  • Needle-simulating tuning meter
  • Compact, lightweight housing
  • For a wide range of instruments
  • ±200 Hours of Continuous Tuning
  • Tuning Modes: Meter, Sound
RRP** 23,00 
21
-10% 18
instead of RRP**20
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Standard Shipping
3,90
Delivery time 1 - 2 working days
Free shipping from €29
Priority Shipping
+ 0,99
Shipping on 20.04.2026
Express Shipping
+ 5,90
Delivery on Tuesday, 21.04.2026, if you order within 2 Days 6 Hrs. 32 Min. 
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The private-label alternative of Rocktile
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Rocktile CL-118 Clip Tuner Chromatic Tuner
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Tuner Specifically for Guitar/Bass With a Refined Design!

KORG's GA-series tuners are popular with guitarists and bassists. The new model not only looks more refined but also brings additional benefits. While many aspects—including user-friendliness and the rich feature set—were retained, we significantly enlarged the display that shows the note and string names to maximize legibility. Thanks to multiple guitar and bass modes, this tuner suits both beginners and seasoned players. The GA-2 shines with the precision, stability and ease of use you rightly expect from KORG tuners. It's simply indispensable in both the studio and live performance.

Needle-Style Tuning Indicator and Large Note- and String-Name Display

KORG's meter needle quickly and reliably indicates the detected pitch. An approximately four-times larger display further helps by showing the note and string names with excellent legibility. Red and green LEDs also signal any deviation or a correct tuning.

Compact, Lightweight Housing

The GA-2 is roughly the size of a credit card—so you can and should carry it everywhere. The rounded housing fits comfortably in the hand and looks smart thanks to the accentuated battery compartment. A new mechanism lets you replace the batteries by sliding the entire housing—so the battery cover no longer goes missing unexpectedly.

Guitar and Bass Mode

As a tuning aid for guitarists and bassists, the GA-2 offers separate guitar and bass modes with automatic note detection. The guitar mode even supports 7-string guitars (7B to 1E). The bass mode is suitable, among others, for 6-string basses (low B, high C). It even includes a pleasantly sensitive microphone for tuning acoustic guitars.

Quinta Flat Mode

The GA-2's Quinta Flat mode is aimed at the heavy players who tune their instruments as low as possible. The GA-2 allows a detuning of up to 5 semitones and is therefore suitable for guitars equipped with 5 additional frets.

Adjustable Reference Pitch Frequency

Because the calibration value of 430~450Hz is shown on the meter, you are free to choose the reference pitch when tuning.

Sound Out Mode for Outputting Reference Tones via the Internal Speaker

Although many musicians have grown accustomed to working with a meter display, this tuner still offers a Sound Out mode so you can tune your guitar or bass by ear.

±1200 Hours of Non-Stop Tuning

Thanks to a highly efficient design, two AAA batteries provide 100 hours (zinc–carbon) or 200 hours (alkaline) of continuous operation.

Maximum Ease of Use & Large Note- and String-Name Display!

Features

  • Needle-style tuning display
  • Large note-name and string display
  • Compact, lightweight housing
  • Dedicated tuning functions for guitar and bass
  • ±1200 Hours Non-Stop Tuning

Technical Specifications

  • Scale: 12 notes, equal temperament tuning
  • Detection Range: B0 (23.12Hz)~B6 (1975.53Hz): Guitar and bass pitch range
  • Reference Tones: [GUITAR] 7B -> 6E -> 5A -> 4D -> 3G -> 2B -> 1E
  • [BASS] LB -> 4E -> 3A -> 2D -> 1G -> HC
  • (When GUITAR is selected the reference tones are 1 octave higher, in BASS mode they are 2 octaves higher)
  • Tuning Modes: Meter and Sound Out modes
  • Flat Tuning (Flat): 1~5 semitones (in semitone steps)
  • Measurement Accuracy: ±1 Cent
  • Reference Tone Accuracy: ±1.5 Cent
  • Bass pitch range
  • Connections: Input (6.3 mm jack)
  • Power Supply: 2x AAA batteries (3V)
  • Dimensions (W x D x H): 100 x 60 x 16 mm
  • Weight: 67 g (with batteries)
  • Color: Black

Scope of delivery

  • 1 x Korg GA-2 Tuner
  • 2 x AAA batteries (for testing)

Specification

  • Product number 00046868
  • Colour Black

Reviews

4.8/5.0
Based On 8 ratings
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A verification of the ratings has taken place as follows: Only customers who are registered in our online store and have actually purchased the product from us can submit a rating for the item in the customer account.

Function as expected
Review from Stefan on 27.03.2022
This rating has been translated automatically. Original language flag from
 verified purchase
The tuner does its job well and I have nothing to complain about. I was able to accurately "calibrate" the empty strings.
happy
Review from Anke on 31.12.2019
This rating has been translated automatically. Original language flag from
 verified purchase
Delivery was fast and uncomplicated.
My child was able to use the tuner quickly alone at 9 years.
Expectations fully met. Gladly again,
Works fine.
Review from Dr. on 25.02.2019
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 verified purchase
Easy to use, more or less self-explanatory. For a little guitar player like me definitely recommendable. I have it only for about 2 weeks, but so far nothing to complain about.
handy and easy to use, unfortunately response delayed
Review from Rosemarie on 02.08.2022
Variant Korg CA-2
This rating has been translated automatically. Original language flag from
 verified purchase
The response of the device to the played tone starts somewhat delayed and remains on the scale especially for a longer time, even if the next tone has already been played....
Korg CA-2
Review from Helga on 10.01.2022
Variant Korg CA-2
This rating has been translated automatically. Original language flag from
 verified purchase
Can be very well oriented to the display of Korg CA-2.
Helps a newcomer to play the note from his instrument in the exact pitch. Indicates if the note is played too low, too high or just right.

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