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)

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2018-10-15: Get hundreds of free sounds of very well known songs, ready to be played, for your #Kurzweil keyboard at… https://t.co/FMdYe7dLd1

2018-10-11: #Kurzweil #PC88 still in action: https://t.co/3RiLDJAgRv

2018-10-10: RT @HugoSellesG: @KurzweilMusic #PsychicEqualizer #progrock #jazzfusion #newalbum #CrowdfundingCampaign @Indiegogo https://t.co/urnS4tcmsX…

2018-10-10: #KURZWEIL #FORTE from https://t.co/KfdbVXJXY9 https://t.co/RKqGxgVp1F

2018-10-09: If you own a #Kurzweil #SP6 and want to be part of our Beta program, please send us an email to sp6_beta (at) ycrdi (dot) com

2018-10-05: Beautiful rendition of Genesis' Firth of Fifth on a #Kurzweil #PC3K https://t.co/XDbw2Pzo88 Learn more about Kurzwe… https://t.co/DLQHgiw0as

2018-10-04: #TBT Paul Shaffer and Keith Richards - a long time ago... that'd be the #Kurzweil #K250 https://t.co/Os7zsbX15E

2018-10-03: #Kurzweil now maintains two official Facebook pages: Pro Instruments: https://t.co/2Ym0zGynW7 Home Digital Pianos:… https://t.co/rrqcrYnQJH

2018-10-03: RT @soundtechnology: New #MusiciansBlog | Our guide to the @KurzweilMusic SP1 -> https://t.co/gdOfZk7UDs https://t.co/h4PARE37ew

2018-10-02: We are a community. https://t.co/1qSIhf56sm Also check user Facebook groups like: SP6: https://t.co/Oa5GplOyvE For… https://t.co/CguDDDrjOy

2018-10-01: RT @pdelamusica: En pocos días llega @KurzweilMusic ❗️🎹 entre tantas novedades te presentamos el Organo KP70 a tan sólo USD225❗️👏💪 Más info…

2018-09-28: RT @bonstudio: Κάντο δικό σου μόνο με 93 € το μήνα & 12 άτοκες δόσεις! Ψηφιακό πιάνο Kurzweil M210!! Δες εδώ --> https://t.co/TIzw03mmVI @K…

2018-09-26: Nice #Kurzweil #SP6 Demo... while you might not understand Russian, there's lots of music as the demonstrator goes… https://t.co/sZLxo4U2Fn

2018-09-25: RT @OliviaThai: #garyvee, I started college when I was 13, but I dropped out to pursue my music career. I still have family members that…

2018-09-24: RT @jhilboldt: Love it when the back line gets my Kurzweil PC 3x right! @KurzweilMusic @ArtistRelations https://t.co/AfLDQf2ccP

2018-09-19: Weird Al Yankovic (@alyankovic) receiving his star on the Hollywood Walk of Fame - accompanied by bandmates includi… https://t.co/nezW9ztxOw

2018-09-17: RT @jhilboldt: God I love this rig! @KurzweilMusic @ArtistRelations https://t.co/oHBf2zuGFA

2018-09-17: RT @ArtistRelations: Follow @audrey.bussanich On Instagram- Leaning some new tunes. Ya definitely learn a lot by recording yourself and lis…

2018-09-14: RT @lucadigennaro: My favorite part of "Newton's Law" from our fourth album BABEL. Will it be in the #VeryProgFestival 2018 @soulsecretband…

2018-09-13: #TBT May 4th 1985 - https://t.co/YHt0P7hgYW