Kurzweil PC4 88-Key Workstation Keyboard

Current price: Current price: $2,499.00


Offer available through 6/30/23.
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Kurzweil 88-Note Performance Controller and Production Station

Kurzweil PC4 is the latest model in their venerable PC line of performance controllers and production stations. As part of its iteration of Kurzweil's revered V.A.S.T. synth engine, PC4 boasts a 6-operator FM synthesis layer that can import classic FM SysEx files. PC4 has an 88-note fully-weighted hammer-action keybed with velocity sensitivity and aftertouch. Its powerful 16-track sequencer offers extensive parameter automation alongside its 16 arpeggiators and 16 Riff Generators.


256 voices of V.A.S.T. polyphony
More polyphony from Kurzweil's acclaimed V.A.S.T. engine than any product in Kurzweil history.

2 gigabytes of factory sounds
Over 1,000 hand-selected factory presets organized into 13 categories of Programs and featuring Kurzweil's optimized German 9' and vintage Japanese 7' concert grand pianos.

Patented FlashPlay technology
FlashPlay provides PC4 with a staggering amount of horsepower: 2 GB sample content with zero loading time and ultra-fast performance.

2 gigabytes of user sample memory
Load up to 2GB of your own custom samples into non-volatile flash memory. Supported sample formats include WAV, AIFF (up to 16-bit/96kHz) and Kurzweil formats (.P3K, .KRZ, .K25, .K26).

V.A.S.T. editing
Deep native editing? Look no further! PC4 grants full access to Kurzweil's legendary Variable Architecture Synthesis Technology directly from the front panel. With 32 layers per program, each offering its own signal path and a host of modular DSP tools, PC4 offers a wealth of sound creation and modification that is truly immense.

6-operator FM engine
PC4 has a 6- operator FM Engine with the ability to load original FM SysEx files.

CC sequencers
Add sonic animation to your sounds via 16 simultaneous MIDI CC step sequencers for modulation sequencing.

KB3 ToneReal organs
Modeled after classic organs, a full compliment of tonewheel controls are immediately accessible, including 9 realistic drawbars, rotary speed, chorus/vibrato, brake, percussion and more.

Powerful FX engine
Award-winning reverbs, delays, choruses, flangers, phasers, distortions, rotary amplifiers, compressors and more, all fully editable from the user interface. PC4 also offers a global Master FX section featuring 3-band EQ and compression.

K.S.R. – Kurzweil String Resonance
Piano string resonance modeling for enhanced acoustic piano performance.

88-note hammer-action keyboard
Every sound within PC4 is perfectly matched to its 88-note fully-weighted hammer-action keyboard with aftertouch.

16-zone Multi controller mode
Construct massive sonic combinations via Kurzweil's renowned Multi mode (aka Setup mode), offering 16 zones of unparalleled MIDI controller capabilities.

16-track sequencer
PC4 features a 16-track internal sequencer to record/edit/mix/produce your own tracks – all in the box. Import MIDI (.mid) files as well as Kurzweil PC3-family songs.

16 simultaneous Riff Generators
Trigger and manipulate up to 16 simultaneous MIDI sequences on the fly. Select from an internal library of patterns or record/import your own.

16 simultaneous note arpeggiators
Looking for a pulse? Activate up to 16 independent arpeggiators (1 per Program, 16 per Multi) and discover the new 'Step Sequencer' environment!

Live audio input with effects
Plug in and jam along with your favorite music player via 1/4" pair and/or 1/8" audio input. The input bus sports its own dedicated realtime FX. Sweeten your backing tracks for live performance and internally mix the signal with PC4's own output.

Front panel master transport controls
Use the buttons in the TRANSPORT section to control recording and playback of the onboard 16-track sequencer.

36 programmable physical controllers
9 sliders, 9 knobs, 10 switches, 2 wheels, 2 switch pedal Inputs (which support half-damper pedals (sold separately) for pianos), 2 continuous control pedal inputs, aftertouch and ribbon controller input (ribbon controller sold separately).

Easy access transpose controls
Dedicated -/+ transpose controls are conveniently located right above the LED backlit pitch/modulation wheels.

Widescreen color display
Navigate PC4 with a 4.3" 480×272 widescreen color LCD display.

Categorized sound selection
Easy Category and Program/Multi selection featuring customizable category defaults.

More Information
Manufacturer Kurzweil
Condition New
Included from Manufacturer Power supply
KP-1 sustain pedal
USB cable
Analog/Digital Digital
Number of Keys 88
Weighted Keys Hammer Weighted
Key Action RPHA: Real Piano Hammer Action
88-note, fully-weighted hammer-action with velocity and aftertouch sensitive adjustable keys
Aftertouch Yes
Programs/Presets 1,000+ factory Programs
4,096 User Program storage locations
Voices of Polyphony 256, dynamically allocated
Oscillators per Voice Varies by Sound Engine
Multitimbral 16 parts, one per MIDI channel
Effects 32 total FX units
Over 1,000 complex effect chains including reverbs, delays, chorus, flanger, phaser, EQ, distortion, rotary speaker, compressor and more
Sequencer 16 tracks
960 PPQ resolution
16 simultaneous MIDI CC step sequencers
Sampling 2GB of non-volatile user flash memory
Arpeggiator Yes
USB Port (to Host) MIDI, System Updates, File Transfer
USB Flash Drive Port (to Device) Program/Preset Storage, Sample Import
Audio Inputs Dual stereo 1/4" inputs
1/8" stereo input
Audio Outputs Dual stereo 1/4" main output
Dual stereo 1/4" secondary output
Control Connections (2) 1/4" footswitch inputs
(2) 1/4" continuous control pedal inputs
Ribbon controller input
Onboard Controllers Pitch and modulation wheels
(9) front panel sliders
(9) knobs
(9) switches
Variation switch
Transport controls
Width 50"
Depth 14.75"
Height 6.5"
Product Weight 28.7 lb

Kurzweil Limited Warranty

This product has been manufactured by Kurzweil and is warranted free from defects in materials or workmanship for the period of one year from the date of purchase by the original owner.

  • Ground shipping is FREE for all orders $99 and up.
  • Our central, midwest location ensures fast delivery times.
  • See below for transit day estimates. Please note, these are estimates and are not guaranteed.

Generally, package estimated transit days are as follows:

  • Upper Midwest: 1-3 days
  • Central US, South East US, and East Coast: 2-4 days
  • West Central US: 3-5 days
  • West Coast: 4-6 days
  • Alaska & Hawaii: 7+ days
All transit times are based in business days. Please allow 7-10 business days for most freight shipments. Business days are Monday through Friday and do not include public holidays and weekends (Saturday/Sunday.) For questions regarding estimates to your specific location, please contact us at [email protected] or 800-783-3368.