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Korg i3 Arranger Keyboard - Matte Black Certified Open Box

61-key Workstation Keyboard with Onboard Sequencer, Effects, and EQ; USB-to-Host, USB-to-Device - Black
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Item ID: i3Blkd1
Korg i3 Arranger Keyboard - Matte Black
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Purchase this item at Sweetwater, and get $30.00 off while supplies last! The price shown reflects your savings.
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Certified Open Box Savings!

Save $110 What is Certified Open Box?

The price below reflects your savings.

Price:$689 and 99 cents
Savings: $110.00

New for $799.99

Condition Notes:

This returned item is in good condition with some signs of use, but is in perfect working order. Headphones jiggle slightly in the headphone jack, but it doesn't affect the signal at all. Includes all original accessories. The item ships in its original packaging which shows some signs of wear.

This item was thoroughly inspected by our factory-authorized service team and is backed by Sweetwater's exclusive 2-year warranty. The images shown do not necessarily represent the condition of this particular item.

1 more Certified Open Box item available starting at $719 and 99 cents!
Special Financing - Ends Aug 2, 2026. $20/month with 36 month financing*

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The Evolution of the Music Workstation

The Korg i3 music workstation is like an instant incubator for your music. Your musical ideas go in — and out they come, transformed into radio-ready productions. You’ll be amazed and delighted by how the i3 streamlines the creation process by grouping sounds, beats, and parts by Sound Set and Style Performance Set, making short work of choosing the right sounds and pulling together the perfect beats and grooves for any music genre. Powerful onboard effects and EQ tailor your sound for any live performance. The onboard sequencer records, saves, and plays back both MIDI and audio files so you can play along. A self-contained production studio, the i3 is easy to use and fun to play. It’s the perfect synth for the up-and-coming composer, performer, or producer. It even runs on battery power, so the Korg i3 is ready to juice your creativity whenever — and wherever — and you are.

Packed with incredible sounds, features, and value

The i3 is a full-featured music workstation with 61 full-sized, velocity-sensitive keys. You can tailor the keyboard response to your playing style via three touch curves. You’ve got transpose buttons and an intuitive joystick for real-time pitch bend, vibrato, and brilliance. There’s also a 2-band EQ for that final professional polish on your overall tone. All front panel buttons and controls are intuitively grouped together by function, and the custom backlit LCD delivers visual feedback that’s easy to see in dim studio lighting. Onscreen parameter values can be tweaked easily with the rotary encoder data wheel. Korg gave the i3 a wicked black-out finish, a nubby rubberized touch surface, and perforated end panels that will look great onstage. Korg packed tons of incredible sounds and features into the i2 — and for such an affordable price!

It’s all about the sound

The i3 is fortified with decades of Korg sound-design know-how, with nearly 800 instrument sounds created with critical precision by master engineers, musicians, and programmers. This includes a complete GM2 sound set, providing flawless General MIDI compatibility. Add to that another 59 custom Drum Kits, and you’ve got a massive sound arsenal at your fingertips. It’s all here: a high-fidelity PCM sound engine with 64 voices of polyphony, instant splits and layers, and two studio-grade stereo effect processors to add motion, depth, and expression to your patches in real time. Need a piano, stat? Press the convenient Grand Piano button at any time to instantly load the main piano sound of the i3.

Capture your ideas and transform them into finished productions

The Korg i3 Music Workstation offers numerous ways to capture your creativity so it can be saved, edited, or shared. All of the settings used to create a song or performance can be saved into a single Set List location for instant recall. The i3’s sequencer is a linear16-track recorder in the Normal mode. In Backing Sequencer mode, the i3 captures all Style Performance Set parts and all Sound Set parts in a single pass, placing each part on a separate track. This way, an individual track can still be edited or replaced as you would in a regular sequence. At Sweetwater, we really love this feature!

Share it with the world

You’ve got ideas. You’ve got some catchy hooks. Gobs of grooves. Even a few lyrics. The Korg i3 is the workstation that can help you pull it all together. Fast. And when you're happy with your creation, you can share it with the world, your collaborators, or your friends. Once finished, your project can be exported as a MIDI data file. A feature that really makes the i3 unique is its Performance Recording mode, where an entire performance can be captured and recorded as audio data, and exported as an audio WAV (44.1kHz) file. The onboard sequencer can even play audio files saved in the .WAV (44.1 kHz) or MP3 format.

At home, onstage, in the studio

In addition to its innovative performance features, the Korg i3 offers generous rear-panel connectivity to handle any situation. When not running on battery power, the i3 can be connected to an AC power source using the included adapter. There are two 1/4" outputs (Left/Mono and Right) for audio monitoring, in addition to a 3.5mm stereo headphone jack. A 3.5mm audio input jack is also provided. A 1/4" foot controller jack is provided, with the function of the footswitch or expression pedal definable in settings. A MIDI output jack sends note and timing data from the i3 to your other MIDI-equipped hardware. Two USB ports are provided: Use the TO HOST USB port to connect the i3 to your Mac or PC; the TO DEVICE USB for saving and loading data and songs to and from a USB flash drive.

Korg i3 Workstation Keyboard Features:

  • 61 full-sized, velocity-sensitive keys
  • Onboard Sequencer with Backing and Backing Sequencer modes
  • Performance Recording mode captures an entire performance as audio data
  • 3.5mm stereo headphone jack; 3.5mm audio input jack
  • 1/4" foot controller jack for sustain/expression pedal (definable in settings)
  • Runs on battery power or included AC adapter
  • USB-to-host; USB-to-device
  • Auto-power off function preserves battery life
What is Certified Open Box Gear?

At Sweetwater, we're so picky that what we call "Certified Open Box" is actually better than what most music retailers sell as "new" gear! Our gear hasn't endured hundreds of people a week plunking away at all the keyboards, fumbling through Stairway to Heaven on every guitar or playing with every fader and knob on a mixer or control surface.

Certified Open Box (also known as a demo) means we’ve had it out of the box for our YouTube channel, displayed at events, tested in our studio, or maybe it was in a customer’s hands for a few days and isn’t ‘factory fresh’ as a result. Every Certified Open Box item we sell has Sweetwater’s 2-year Total Confidence Coverage™ warranty and has been tested and verified up to ‘new’ specs by our factory-authorized technicians to make sure it’s in perfect working order before we ship it to you.

When you buy a Certified Open Box item at Sweetwater, you get:
  • 2-year Total Confidence Coverage Warranty™!
  • Products inspected and tested by our factory-authorized techs, guaranteed to function like new (or better)!
  • FREE shipping on most items
  • Equipment that will MEET or EXCEED your expectations!

Click HERE to browse our current inventory of Certified Open Box equipment. Purchasing Certified Open Box gear from Sweetwater is a smart and safe way to save!

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Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

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  • Save money with FREE parts and labor
  • Get back to making music with the industry's fastest turnaround time
  • Fix it the first time with our award-winning, factory-certified Service Department
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Tech Specs

  • Number of Keys: 61
  • Type of Keys: Full Size, Synth Action
  • Velocity Sensitive: Yes
  • Other Controllers: 4-way Joystick (pitchbend, vibrato, brilliance)
  • Polyphony: 64 Notes
  • Presets: 790 Sounds, 59 Drum Kits, 200 Sets, 270 Style Performances
  • Number of Effects: 2 x Stereo Effect Processors, 173 Variations
  • Effects Types: Reverb, Delay, Modulation, Overdrive, Rotary Speaker, Dynamics and more
  • Sequencer: 16-track, Real-time recording, 999 Songs
  • Audio Playback: MP3, WAV
  • Audio Inputs: 1 x 1/8" TRS
  • Audio Outputs: 2 x 1/4" TS (L/R)
  • USB: 1 x Type A, 1 x Type B
  • MIDI I/O: Out/USB
  • Headphones: 1 x 1/8" TRS
  • Pedal Inputs: 1 x 1/4" (foot controller)
  • Power Supply: AC Adapter power supply (included) / 6 x AA batteries
  • Height: 3.15"
  • Width: 40.83"
  • Depth: 11.65"
  • Weight: 8.82 lbs.
  • Manufacturer Part Number: I3MB

What Makes Our Sales Engineers Great?

Sweetwater Sales Engineers are a world-class team of experts dedicated to you. Hand selected from across the globe, each brings a wealth of experience and expertise in the world of music gear to provide you with unparalleled service completely free of charge. Friendly relationships, real trust, and the right gear are only a call or a click away!

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Reviews

Exceedingly cool keyboard!
I'm a little embarrassed to admit it, but I have never owned a Korg before purchasing the i3. I must say, I immediately fell in love with this keyboard. I own a small venue that hosts a weekly open improv music jam, and we bought this to replace our old broken keyboard. We wanted a durable, light weight unit with tons of voices (of similar volume levels), no onboard speakers, quarter inch outs, and a pitch bend knob. The Korg i3 delivered all this and plenty more - I'm excited to plug this puppy into our Boss RC 505 loop station just for major kicks and giggles... Highly recommend!
Music background: Musician, music venue owner
Nice keyboard
First off, although this is similar to Korg EK-50, it is "voiced" differently, in my opinion. I also own an EK-50, and I think that keyboards with built-in speakers are optimized to sound best through the built-in speakers. My EK-50 never sounded as good as the i3 does through a PA system, and the bass and treble knobs just add more to the overall sound. Light as a feather, too. My only gripe so far is that I think the part select buttons should not have been set up to work with the shift key...it would have been nice to be able to use one hand to bring parts in and out while playing live. So far, I am very happy with the i3.
Music background: Gigging musician
Great lightweight keyboard
I needed a lightweight keyboard for practice sessions, but with the quality to take to gigs as well. I tried a cheaper manufacturer, but wanted the full featured capabilities offered by the Korg i3. I already have a 76 key Korg workstation, so the fact that the architecture of the i3 is the same was a big plus. In the bands I play with, I need the ability to set up several parts and different instruments in many songs so we can sound like the original band. The Korg i3 fits the bill great for me.

I've also got to say, the Sweetwater sales and support team members are without peer. They helped me with my decision on the equipment to fit my needs, and made everything go smoothly. Thanks so much for your excellent support. That's a big part of picking a vendor to work with. For me, there's no comparison.
Music background: Experienced band musician, non-professional.
Works great for this non-keyboardist
My primary instrument is the drums and my keyboard style can be best described as "Monkey Wearing Mittens" so I needed something that had decent sounds and was easy to use (my patience with technology is also primate level). The Korg i3 was exactly what I needed and at a very reasonable price, too. Whatever bells and whistles this instrument lacks are likely not anything I would need. Maybe I'll use the money I saved and take some piano lessons.
As usual Sweetwater's serviced was exceptional but I'm getting kind of tired saying that all the time so I'll just say "thanks for the candy"!
Easy
Most logical, easy to use arranger I've ever worked with. Love the price. Composed 10 songs quickly and are now on SoundCloud. Most people inquire as to how polished the sounds are. Great beginner to advanced board. Makes music playing and recording a joy.
Music background: Playing in bands for 50 years