SP4-8 Features & Specs

All specifications subject to change without notice.

Keyboard: 88-note hammer-weighted action with velocity sensitive adjustable keys (Fatar TP/100LR)
Display: 16 character LCD w/ front-panel contrast adjust
Polyphony: 64 Voice Polyphony, dynamically allocated
Multitimbral: 16 parts (one per MIDI channel)
Quick Split/Layer: Easy access with adjustable relative volume (up to 4 zones)
Factory Presets: 128 (taken from the acclaimed PC3 sound set, including select KB3 organs and KVA synths)
User Presets: 64
Factory MIDI Setups: 64
User MIDI Setups: 64 (with 4 programmable zones for splits and layers)
Effects: Dozens of complex effect chains taken from the PC3, with everything from concert hall reverbs to amplifier simulations and rotary effects
Controllers: Pitch wheel, modulation wheel, 1 front panel knob, 1 switch-pedal input (supports optional, dual-pedal), 1 continuous control pedal input
Analog Outputs: Two 1/4" balanced TRS analog (24-bit DACs)
Headphones: 1 rear panel 1/4" headphone output
MIDI: In, Out
USB:

Complete MIDI functionality over USB

User program/setup file transfer to/from PC/Mac

Operating System updates from PC/Mac

FREE OS Updates: OS updates over USB
FREE Sounds: The SP4 can also load programs created on our PC3 and PC3LE series keyboards (*within the limits of the SP4's DSP resources). Additional sounds are also available for download on our website (loaded over USB)
Included Accessories: Power cable, Switch pedal, USB cable, (4) self adhesive feet
Height:

(5.5") (13.97cm) - rear

(3.25") (8.26) - front

Depth: (13") (33.02cm)
Length: (55.13") (140.02cm)
Weight: (39 lb.) (17.7 kg)
Power: External 15VDC 1.0A power supply

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News

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2019-05-23: RT @komasamikun: Retro-Time Throwback... @copelandmusic using @MOTUTech Performer and @KurzweilMusic K2500X to make #Spyro Original #Soundt…

2019-05-22: The great Jim Alfredson @b3groover having fun with his #Forte: https://t.co/CGHx3qepDW Check out Jim's page in the… https://t.co/VKsiT1gDb3

2019-05-21: Congrats Sweetwater Sound @SweetwaterSound!! "Surack credits much of his success to a synthesizer he came across i… https://t.co/d97137opb4

2019-05-21: RT @soundtechnology: Just in case you missed it, @KurzweilMusic are giving you the chance to win a new PC4 Performance Controller and Produ…

2019-05-15: #Kurzweil #SP6 owners - learn to set up metronome for practice: https://t.co/3SAqkl8eqF https://t.co/7FYtR0A0QE

2019-05-07: #Kurzweil will be at Berlin's SuperBooth #Superbooth19 this week (THU, MAY 9 - MAY 11), courtesy of Sound Service. https://t.co/zZyRqD2w7m

2019-05-06: RT @MusicPlayersNow: PC4 Performance Controller and Production Station Introduced by Kurzweil Music Systems @KurzweilMusic https://t.co/…

2019-05-02: #Kurzweil artist Audrey Bussanich playing a Kurzweil #Forte at #NAMM . Great pic! Go and see her playing live! For… https://t.co/czx8HjXGTx

2019-05-01: Marthin Siahaan playing a #Kurzweil #Artis for Melodia Musik Online (Indonesia) https://t.co/tiSVCafXf4

2019-04-25: #TBT Few years ago with a #Kurzweil K2600X... https://t.co/XO5VOyoKiT

2019-04-23: The #Kurzweil #Forte®. Stage Piano + Synthesizer + Workstation. The most advanced keyboard to ever bear the Kurzwe… https://t.co/L0Fq0Qar3n

2019-04-22: Great cover by Bordy Csogor of Something Just Like This using a #Kurzweil #PC3LE. https://t.co/FehCROyzFd "I'm usin… https://t.co/b1yZmNHG6x

2019-04-17: Go and see the great #Kurzweil artist Rubén Valtierra on the "Strings Attached - the 2019 tour" with Weird Al.… https://t.co/llTG9LYPyx

2019-04-16: Check out this quick review and photo gallery of the #Kurzweil #PC4 from https://t.co/Vg9h8rDdqF at… https://t.co/Mfpxgd765s

2019-04-16: There are lots of Third Party libraries for your #Kurzweil keyboards like this https://t.co/zTVKzXfVfT Vocal Chops.… https://t.co/R8uvTbWkWn

2019-04-12: Check out #Kurzweil artist Jim Alfredson @b3groover artist lounge page at https://t.co/lNBwYKZYwt https://t.co/YQMwL2vK9Z

2019-04-10: More videos of the #Kurzweil #PC4 from #Musikesse2019. This one courtesy of https://t.co/13FHWa386Q… https://t.co/wud6ytPpeW

2019-04-09: Another #Kurzweil #PC4 demo from #musikmesse2019 Synth Pads! https://t.co/HjdXk0kSJq -courtesy of https://t.co/VQbYi0vcsX

2019-04-08: RT @morayonkeys: Here it is! A behind look behind the keyboards at The One And The Many, as performed by @thatjoepayne. Lots of cool tricks…

2019-04-05: Check out this Kurzweil #PC4 demo live from #musikmesse2019 - courtesy of https://t.co/VQbYi0vcsX https://t.co/Kjxy9e3eKd