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Kurzweil K2088 88-key V.A.S.T. Synthesizer Workstation Certified Open Box

88-key Keyboard Workstation with Fully Weighted Hammer-action Keybed with Aftertouch, 2,000+ Factory Programs, 256-voice Polyphony, FM Engine, 16-track Sequencer, and USB/MIDI
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Item ID: K2088d1
Kurzweil K2088 88-key V.A.S.T. Synthesizer Workstation

Certified Open Box Savings!

Save $299.90 What is Certified Open Box?

The price below reflects your savings.

Price:$2,699 and 10 cents
Savings: $299.90

New for $2,999.00

Condition Notes:

This item is in great condition and perfect working order. Product includes all original accessories. This item ships in its original factory packaging.

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.

Special Financing - Ends Aug 2, 2026. $75/month with 36 month financing*

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Kurzweil’s Ultimate Performance and Sound Design Workstation

Making its debut in 1991, the Kurzweil K2000 ushered in a new era of sophisticated keyboard workstations for professional musicians. Today, the Kurzweil K2088 synthesizer workstation builds on that formidable legacy, bringing you Kurzweil’s most advanced K20 series keyboard to date. Featuring a fully weighted 88-note keyboard with aftertouch and a host of hands-on controllers, including a ribbon controller, the K2088 invites you to explore its incredibly deep feature set. Gigging keyboardists will appreciate the massive selection of over 2,000 factory programs ready for instant deployment, plus an additional 2GB of user storage space for loading custom sounds. Kurzweil’s proprietary FlashPlay technology loads programs instantaneously — a huge advantage when switching sounds during live performances.

Powered by Kurzweil’s Variable Architecture Synthesis Technology

The K20 series keyboard workstations represent the definitive evolution of Kurzweil’s proprietary Variable Architecture Synthesis Technology. Honed over three decades through generations of esteemed K2 synthesizers, V.A.S.T. provides 32 customizable layers per program, massive polyphony, and an array of intuitive, hands-on controllers that empower you to create expansive and nuanced sounds that transcend the boundaries of V.A.S.T. classics and forge entirely new soundscapes. With Kurzweil’s legendary V.A.S.T. modular synthesis architecture at its core, seamlessly integrated with a powerful 6-operator FM engine, KVA oscillators, creative arpeggiators and sequencers, and an extensive suite of customizable effects, the K2088 provides a comprehensive feature set for professional keyboardists who need a no-compromise instrument with flawless playability and virtually limitless creative potential.

A total beast — onstage and in the studio

Kurzweil packed the K2088 with its industry-leading technologies to create a masterful keyboard workstation that can do no wrong. While the K2088 is an exemplary plug-and-play performance keyboard, its real magic lies in its considerable sound design potential, which is powered by Kurzweil’s renowned V.A.S.T. editing, a 6-operator FM synth engine, a powerful 16-track sequencer, a complement of arpeggiators, studio-grade onboard effects, and more. On top of that, the K2088 comes equipped with an integrated USB audio interface for recording into your favorite DAW right from the workstation. Designed for composers, arrangers, sound designers, and touring musicians alike, the K2088 astounds with its massive capabilities and peerless Kurzweil pedigree!

Extensive hands-on, real-time control

Equipped with dozens of programmable physical controllers, the K2088 provides the immediacy of hands-on, real-time control. The intuitive, streamlined user interface consists of a bright, high-resolution color LCD with six soft keys underneath, dedicated front-panel transposition and tempo controls, pitch bend and modulation wheels, a 3-section ribbon controller, nine programmable knobs and sliders, 10 buttons, fast categorized instrument selection, and dedicated arpeggiator and sequencer transport controls. In addition to MIDI I/O and USB/MIDI, the K2088 provides flexible connectivity that includes a stereo audio input, two CC pedal inputs, and two switch pedal jacks, each supporting single or dual switch pedals or a single half-damper pedal plus 5-pin DIN MIDI I/O and a USB/MIDI-to-device port.

Powerful features for masterful performance

With a whopping 2GB of factory sample content, an additional 2GB of user storage, and up to 16 zones in Multi Mode, the K2088 shines as both a performance controller and synth workstation. The K2088 comes loaded with over 2,000 factory programs, a versatile effects engine with full editing capabilities, a 16-track Sequencer with 960 PPQ resolution, 16 arpeggiators, 16 riff players, flexible MIDI control with 16 MIDI CC step sequencers, and extensive native V.A.S.T. editing capabilities. But the star of the show may well be the powerful 6-operator FM synthesis engine that natively imports original FM SysEx files from the '80s and '90s!

Load sounds instantly with FlashPlay technology

One of the many features keyboardists at Sweetwater love about the K2088 is its ability to load any sound instantly. Kurzweil calls it FlashPlay technology, a denomination that essentially means you'll never slow down or botch a performance due to loading times. You've got 2GB of killer factory sounds in the Kurzweil K2088 — all with zero load time. That equates to a staggering amount of horsepower you'll appreciate whether you're wowing an audience onstage or impressing collaborators in the studio. Kurzweil knows what you need to perform with confidence, and you get it all in the K2088!

Kurzweil K2088 Features:

  • V.A.S.T. synthesizer workstation
  • 256 voices of polyphony
  • 2GB of factory sample content, 2GB of user storage
  • FlashPlay technology with zero load time
  • 2,000+ factory programs, 500+ factory multis
  • 6-operator FM Engine with the ability to import original '80s and '90s FM SysEx files
  • KB3 ToneReal Organs with realistic drawbars, rotary speed, chorus/vibrato, brake, percussion
  • 9 sets of programmable knobs, sliders, and buttons
  • 88-note, fully weighted hammer-action keybed with channel aftertouch
  • Dynamic V.A.S.T. technology
  • 16-track sequencer with dedicated front-panel transport buttons
  • 16 arpeggiators (classic or step sequencers) with dedicated front-panel controls
  • 16 MIDI CC step sequencers, 16 riff players
  • Dedicated front-panel transposition and tempo controls
  • Pitch and mod wheels, 3-section programmable ribbon controller
  • MIDI I/O, USB/MIDI, USB-to-device
  • 2 x 1/4-inch audio input connectors
  • 2 pairs of stereo outputs
  • 4 switch pedals (via 2 stereo jacks)
  • 2 CC pedal inputs
  • External editors for macOS, Windows, and iPad
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

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Tech Specs

  • Model: K2088
  • Type: V.A.S.T. Synthesizer Workstation
  • Sound Engine: Dynamic VAST, Cascade Mode, KB3 ToneReel, 6-operator FM Engine, VA1+DSP
  • Analog/Digital: Digital
  • Number of Keys: 88
  • Type of Keys: Fully Weighted Hammer-action
  • Aftertouch: Yes, Pressure Sensitive Adjustable
  • Velocity Sensitive: Yes
  • Pads: 10 x Assignable Buttons
  • Other Controllers: Pitchwheel, Modwheel, Ribbon Controller, 9 x Sliders, 9 x Knobs
  • Display: High-res Color LCD Display (480 x 272 pixel)
  • Polyphony: 256-voice
  • Number of Presets: 2042 x Factory, 4000 x User
  • Effects Types: Reverb, Delay, Chorus, Flange, Phaser, EQ, Distortion, Rotary Speaker Simulator, Compressor
  • Arpeggiator: Yes, 1 per Program, 16-per Mutli
  • Sequencer: 16-track
  • Sampling: 48kHz
  • Memory: 2GB Internal Storage
  • Storage: USB Flash Drive
  • Audio Inputs: 2 x 1/4" (left, right)
  • Audio Outputs: 2 x 1/4" TRS (A: left/mono, right), 2 x 1/4" TRS (B: left, right)
  • Headphones: 1 x 1/4" TRS
  • MIDI I/O: In/Out/USB
  • Pedal Inputs: 2 x 1/4" (CC1, CC2), 1 x 1/4" (SW1/sustain), 1 x 1/4" (SW2)
  • USB: 1 x Type B (computer/MIDI), 1 x Type A (storage)
  • Power Source: Standard IEC AC Input (cable included)
  • Height: 5.1"
  • Width: 51"
  • Depth: 15.5"
  • Weight: 49.3 lbs
  • Manufacturer Part Number: KZ-K2088-BK

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