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Korg PITCHJACK Guitar Tuner

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The Korg pitchjack is a guitar tuner that plugs directly into a guitar or bass instrument jack. The pitchjack tuner offers the features most sought after by gigging musicians, including a flat tuning ... Click To Read More About This Product

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The Korg pitchjack is a guitar tuner that plugs directly into a guitar or bass instrument jack. The pitchjack tuner offers the features most sought after by gigging musicians, including a flat tuning mode for tuning as many as 7 semitones below standard pitch, and the ability to accurately tune 7-string guitars and 6-string basses.

The Korg pitchjack provides quick, accurate tuning virtually anywhere. The adjustable viewing angle of the pitchjack tuner's display can accommodate different guitar body shapes plus the angle and location of your bass or guitars jack.

The pitchjack has a compact folding design and accepts a key ring to easily attach it to your gig bag, case, or keychain. The Korg pitchjack tuner's built-in LED flashlight provides illumination as needed onstage or in other dimly lit situations.


Combined digital tuner and 1/4" jack plugs directly into guitar bass output jack
Angle of display panel is adjustable for various guitar and bass types
Simple operation and accurate tuning with good visibility and built-in flashlight
7 semitones, flat tuning, and 7-string guitar and 6-string bass tuning
For all electric guitar and electric bass players, from entry to high-end users
Tuning: 12 note equal temperament
Detection range: Guitar B1 (41.20 Hz) “ B6 (1975.54 Hz) Bass B0 (20.60 Hz) “ B5 (987.77 Hz)
Flat tuning: down to 7 semitones
Detection accuracy: ±1 cent
Connector: input jack (mono 1/4" jack)
Battery life: approximately 35 hours
Dimensions: 1.22" (W) x 1.1" (H) x 5.39" (D)
Weight: 1.09 oz (including battery)
Pro Coverage
USA Warranty Policy

All Korg products purchased from a Korg USA authorized dealer are warranted to be free from defects in material and workmanship to the original consumer purchaser as listed below:

Labor: 1 Year
Parts: 1 Year

Exceptions: Tubes, AC Adapters, Foot Switches: 90 days

Warranty Requirements and Limitations:

-Proof of Warranty - The customer must provide proof of purchase in order to obtain warranty service. The dated sales slip or copy thereof is the only acceptable proof of purchase.

-The product must be purchased from a Korg USA authorized dealer and have a valid serial number.

Damage resulting from the following causes are excluded from the warranty set forth above:
-Misuse, including damage occurring during shipment, damage caused by battery leakage, accident, fire, unauthorized repairs, tampering, cosmetic damage or other types of damage which are the result of improper handling or abuse.
-The cleaning of controls or contacts due to exposure to dirty, dusty, or otherwise contaminated environment.
-Damage resulting from modification.
-Damage to units used for loan or rental.

Register online and extend your warranty!
Register your new Korg keyboard, keyboard rack module or digital piano online and receive a certificate that extends the product warranty for an extra year from the date of purchase.

  • Customer Reviews

Review Snapshot

by PowerReviews

(based on 7 reviews)

Ratings Distribution

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Reviewed by 7 customers

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(32 of 34 customers found this review helpful)


best tuner I've ever owned

By Brad J

from defiance,ohio

This Korg tuner is the easiest and quickest tuner I've ever used.The led lights are easy to see in any light, and it weighs next to nothing!

(30 of 30 customers found this review helpful)


Great Tuner

By Manuel

from Somerset, CA

A really nice tuner. Outside noise does not affect it. Real easy to use. I use it for my bass and guitar.

(29 of 29 customers found this review helpful)


Great for standard tuning

By Mike

from Chandler, AZ

It's light and accurate. Very quick and easy for standard tuning. A little troublesome for non-standard, flatted notes.

(17 of 18 customers found this review helpful)


Would Recommended

By Michael P.

from Chattanooga, TN

I'm new to playing but figured out how to use this tuner instantly. It's basically plug-and-play. If I tuned my guitar with this the first day I received my guitar, anyone should know how to use it.

(8 of 8 customers found this review helpful)


Pretty cool

By Danny

from Columbus, IN

It took a while to get used to the flat-tuning feature, but otherwise its an awesome tuner. I use it on stage whenever i feel im a bit out of tune.

(1 of 2 customers found this review helpful)


good idea but...

By MIchael K

from Centreville, VA

I got one in 2010 and I can say that it is a good idea and works pretty well, too. But it has a serious design flaw. If you have a Strat, that's fine but if you have a Les Paul or some other type of guitar (Tele, most of super strat type) you will find that it's hard to read the display due to its angle. If you have a Ibanez Jem or JS model, you can not use this due to the jack position. Another problem is... you need to disconnect the cable to use the tuner. I think in live situation, it's almost useless. It has a light function so maybe you can use it as a kinda zippo lighter in dark back stage or somewhere. For indoor practice only...


Gets the job done

By Cecilia Morales

from Ca

Easily helps tune guitar but you have to unplug to tune might be a disadvantage but not a big one accurate cool and easy plus it has a built in flashlight , Good for guitars not awesome for bass

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