SPS4-8 Features & Specs

All specifications subject to change without notice.

Keyboard: 88-note, graded-hammer action (LK40GH)
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 ribbon, modulation slider, 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)
Analog Inputs: Two 1/4" balanced TRS inputs; mix into speaker system
Sound System:

Stereo 19W/channel @ <1% THD+N; 48W maximum total power

Two 4 x 6" woofers (in ported enclosure)

Two 1” neodynium magnet dome tweeters

Headphones: 2 front-mounted 1/4" outputs
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: (4.5") (11.43cm)
Depth: (14.5") (36.83cm)
Length: (51.75") (131.45)
Weight: (41 lb.) (18.6 kg)
Power: 90-250V free voltage external power supply (19VDC, 3.42A)

Spotlight Features

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News

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2017-11-22: RT @uptone_pl: Kolejna dawka szkoleń. Tym razem prezentujemy Wam jeden z materiałów video od @KurzweilMusic dotyczący instrumentu #SP6 ht…

2017-11-21: #Kurzweil #ForteSE update 2.03 now available! https://t.co/RrJZN4XZTI https://t.co/AnNMgMYIDo

2017-11-20: Jim Alfredson demonstrating the Forte 7 with an original composition called "Mecha Funk". Featuring Kevin Depree (S… https://t.co/jK1NVqloDM

2017-11-16: RT @soundtechnology: New @KurzweilMusic SP6 88 note Stage Piano now shipping in the UK priced at just £949 inc VAT https://t.co/SKfGCisuYu…

2017-11-16: #Kurzweil #SP6 OS Update v1.04 Released: https://t.co/vdL2IKhW7A https://t.co/ockNEyzYDE

2017-11-14: Classic Keyboards YouTube channel demoing some #Kurzweil #Forte pianos - https://t.co/WpRJUJBByM

2017-11-13: The latest generation of #Kurzweil digital pianos, the CUP310 + CUP320, feat. our new High Definition Japanese and… https://t.co/BgULHV3Bus

2017-11-10: RT @lucadigennaro: Say cheese, @KurzweilMusic and @moogmusicinc (and the unknown noise-absorbing panels manufacturer too) https://t.co/RRv3…

2017-11-08: RT @Pro_Audio_Mag: @KurzweilMusic stellt mit dem SP6 ein neues Stage Piano vor: https://t.co/4qxHDpCjho https://t.co/kRh2UlanoQ

2017-11-07: RT @lucadigennaro: Look up to see a giant boy You've just become his brand new toy @KurzweilMusic #kurzweil #pc3k8 #keyboards #keyboard #mu…

2017-11-06: Own a #Kurzweil #Forte or #Forte SE? Want to be part of our beta tester community? email - forte_beta@ycrdi.com o… https://t.co/YxYWbfvaDI

2017-11-03: RT @LuiggySantiago: nice @KurzweilMusic PC3K8 with my #bigsky great keyboard and controller, great reverb experience!#tourlife #touringmusi…

2017-11-02: RT @AudreyBussanich: PC3K8. We go practically everywhere together. @KurzweilMusic @ArtistRelations https://t.co/UE7pqaYG2s

2017-11-01: Learn to use the #Kurzweil #SP6 controller knobs in this quick tip tutorial: https://t.co/hOzwxQaOb7

2017-10-31: #Kurzweil SP6 users - need to backup your custom data? https://t.co/02uYe7wUCN https://t.co/LKM5WVqjKk

2017-10-30: Very nice #Kurzweil #Forte demo video by Jim Alfredson @b3groover for https://t.co/AtkMT5H43S https://t.co/AeucErfmN0

2017-10-27: Read about the #Kurzweil #Forte 7 in @synthexpert https://t.co/k50a3bzVla https://t.co/UNfUnVmUeJ

2017-10-27: The @SynthExpo Brooklyn Synth Expo is this weekend! (10/28, 10/29) - https://t.co/PLZaJwQsoz come see what… https://t.co/hzSnHmiTuX

2017-10-26: #TBT A bit of history in a great story about the #Kurzweil VA-1 by Stephen Fortner https://t.co/jo1TJMhtNb https://t.co/0igG26h4yt

2017-10-25: #FatsDomino - RIP - we owe ya - https://t.co/9sCg3X8kNu