Electro-Harmonix EHX KEY9 Electric Piano Machine (KEY 9) Guitar Pedal KEY9 Pedal

rock_and_rollmusicgear
(8444)
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US $220.45
as low as $38.26/mo with
Condition:
Open box
“100% mint in box”

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Free UPS Ground.
Located in: Kingston, New York, United States
Delivery:
Estimated between Sat, Oct 11 and Fri, Oct 17 to 94104
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30 days returns. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
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eBay item number:205226786836
Last updated on Jul 28, 2025 16:41:25 PDTView all revisionsView all revisions

Item specifics

Condition
Open box
An item in excellent, new condition with no wear. The item may be missing the original packaging or protective wrapping, or may be in the original packaging but not sealed. The item includes original accessories. The item may be a factory second. See the seller's listing for full details and description. See all condition definitionsopens in a new window or tab
Seller Notes
“100% mint in box”
Product Type
Effects Pedals
Custom Bundle
No
Model
Key9
Analog/Digital
Digital
Country/Region of Manufacture
United States
To Fit
Bass Guitar, Electric Guitar
California Prop 65 Warning
WARNING: This product contains a chemical known to the State of California to cause cancer.
UPC
0683274011783
Brand
Electro-Harmonix
Type
Tremolo
MPN
KEY9
Category

About this product

Product Identifiers

Brand
Electro-Harmonix
MPN
KEY9
GTIN
0683274011783, 0714497644554, 0713803235325
UPC
0683274011783, 0714497644554, 0713803235325
eBay Product ID (ePID)
2254405191

Product Key Features

Type
Tremolo

Dimensions

Weight
1.6lbs.

Item description from the seller

About this seller

rock_and_rollmusicgear

100% positive feedback•20K items sold

Joined Jan 2005
Welcome to rock_and_rollmusicgear, my eBay Store. Please add me to your list of favorite sellers and visit often. If there is an item you need and don't see listed here, ask and we may be able to get ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
4.9
Shipping speed
4.8
Communication
5.0

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Consumer ElectronicsMusical Instruments & GearCameras & PhotoHome & Garden

Seller feedback (8,582)

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  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    All three Beta 56A arrived in 2 separate (boxes) shipments, but they all got here. Posting says open box, but they look like new -unopened! Very happy with the shipping, condition, quality, appearance and value! The communication was very responsive. I'd buy again from this seller in a heart beat!
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Another easy transaction here on eBay with a Great seller with Great products at Great prices! Fast shipping, Quality products, Excellent communication and a very Professional overall experience with this seller! I highly recommend this seller for anyone looking for fast and easy transactions with a Professional seller! AAA+++!!!
  • *****- Feedback left by buyer.
    Past year
    Verified purchase
    Product (studio monitors) shipped quickly. Listing said "open box" and "mint" condition, but when it arrived it looked like it was brand new in the original packaging (nice!). I would absolutely do business with them again. Excellent. A++++++++
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Product ratings and reviews

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4.2
36 product ratings
  • 22 users rated this 5 out of 5 stars
  • 7 users rated this 4 out of 5 stars
  • 3 users rated this 3 out of 5 stars
  • 2 users rated this 2 out of 5 stars
  • 2 users rated this 1 out of 5 stars

Would recommend

Good value

Enjoyable

Most relevant reviews

See all 30 reviews
  • by 313rafa
    Jan 25, 2016Top favorable review

    EHX Key 9

    It is a decent effect pedal,but you need to be aware that like any other pedal,you need to learn how to use it and find the right settings that fit your necessities, also I don't give it 5 stars because in the background you can still hear the Guitar strings,it is definitely nice to have it,but it won't ever replace your Rhodes or dynamo pianos,anyway you can always surprise your fellow musicians when comping some Jazz standards

    Verified purchase: YesCondition: Pre-OwnedSold by: music_square

  • by uBXVarFjS0u@Deleted
    Dec 08, 2015Top critical review

    Electro-Harmonix KEY9 Electric Piano Machine Pedal

    this is an awful pedal trying to get the sounds similar to those of demo's was nigh on impossible, I finally did dial in some usable sounds on 3 of the 9 settings, when I used it in a band situation they were awful the people I bought it from ( The Mad Ape) kindly allowed me to exchange it for a C9 pedal, which is wonderful and I have many suitable sounds , that are easy to dial in

    Verified purchase: YesCondition: Pre-OwnedSold by: quimpersoundrecordsguitars

  • by willard10s
    Nov 11, 2019

    Adds color to a handful of songs

    I use this live to go beyond use of chorus or other effects. The keyboard sounds are absolutely legit but I mostly blend to a unique coloring of the guitar sound. There are levels for both the effects and the raw guitar sound, so easy to blend in the spot. Quality is too notch, which is nice as I don't always get the impression that's the case for most EH pedals. This is high end.

    Verified purchase: YesCondition: Pre-Owned

  • by mikeguitarbuilder
    Jul 05, 2016

    used pedal

    I have only used this pedal with a small amplifier. They say you need a certain amount of volume to really get the sound it produces. I could get an OK organ sound and and OK electric piano. The mallets were good but the rest of the sounds were kind of weak on a small amp---this pedal would be good in a bind but a real synthesizer is much better.

    Verified purchase: YesCondition: Pre-OwnedSold by: proaudiostar

  • by tonyl2193
    Nov 08, 2015

    Fun and Funky

    An awesome pedal, multi-faceted, with a ton of options to either double up your guitar sound with keys, or take out the guitar altogether and rip like a keyboard player. Sounds great straight from the box, using the recommended settings, but by spending a little time and experimentation with this unit in collaboration with other effects, you can dial up some amazing sounds. I use a compression pedal just before this unit, just to take some of the swell and varied attack out of my normal guitar playing, and to make the overall attack more even (as with real keys) and it can be incredibly convincing. Not sure how these guys keep pumping out some of these more 'out there' pedals (also check out the B9 and C9 pedals), but I for one, am very glad that they do.

    Verified purchase: YesCondition: NewSold by: citymusicsteve

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