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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News

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2016-12-06: #Kurzweil #Forte 7/8 owners - check out the latest free SoundBank- Legacy Plus-Synth Basses: https://t.co/eBjUKou00v https://t.co/2INOioDWQl

2016-12-05: #Kurzweil #ForteSE owners - get the updated Musician's Guide (RevB) and delve deeper into the new features in V2: https://t.co/XyE31yrgPg

2016-11-29: @BenThornewill @JukeboxtheGhost enters #Kurzweil's Artist Lounge: https://t.co/Fvb4lYdsyW https://t.co/yZ82UqgPQJ

2016-11-29: RT @AudreyBussanich: brand new #keyboard off to our 1st gig together. Shout out to @KurzweilMusic and @ArtistRelations for hooking me up wi…

2016-11-29: #Kurzweil #Forte 7/8 owners - edit from your desktop and now your iPad too - https://t.co/yJN4fPudsH https://t.co/ceshATo2FH

2016-11-29: #Kurzweil #ForteSE owners - edit from your desktop and now your iPad too - https://t.co/XyE31yrgPg https://t.co/xnED59WJFr

2016-11-23: #Kurzweil #Forte 7/8/ owners - check out the latest free SoundBank - Brass & Winds: https://t.co/eBjUKou00v https://t.co/BowgGoSneM

2016-11-21: #Kurzweil #Forte owners: check out this news item from Purgatory Creek Soundware https://t.co/nUlNSCBK0L

2016-11-21: @TheBobbyKimball (Toto fame) jams on the #Kurzweil #ForteSE https://t.co/AC8lQF0JBn

2016-11-19: RT @ksoundsdotcom: Need amazing pianos for @KurzweilMusic PC3K? Check out Epic Grand. https://t.co/SNBzNjQ36a Available at https://t.co/CT…

2016-11-16: Check out the new and enhanced features in the #Kurzweil #ForteSE v2.00! Further details -... https://t.co/Pks3Z70X3v

2016-11-15: Check this out! https://t.co/QpFceylmxj

2016-11-11: RT @Logic_Nation: @KurzweilMusic Forte SE passe en version 2: https://t.co/NyzvxzBekr

2016-11-10: #Kurzweil #ForteSE v2.00 now available - load up to 188MB of user samples! https://t.co/irfWSFFX7O https://t.co/1dH5LoZEmu

2016-11-07: RT @skylander_de: This old track from 1996 was entirely produce on my old beloved @KurzweilMusic K2500. Wouldn't never ever sell it!! http…

2016-11-02: Kashyap Iyengar @KashyapIyengar enters #Kurzweil's Artist Lounge! https://t.co/QXb1kLpTYt

2016-10-31: @alyankovic and music director, Rubén Valtierra, on tour with their arsenal of Kurzweil keyboards! https://t.co/jNNnr0uLm2

2016-10-27: David Manion (@KansasBand , Seventh Key) and his impressive keyboard setup. https://t.co/rewk7Oa1zS

2016-10-27: RT @KashyapIyengar: I am now proud to announce that I am a featured artist and endorser at @KurzweilMusic. https://t.co/B6wL1lEu0V https://…

2016-10-21: #Kurzweil #Forte 7/8/SE owners - check out the latest free SoundBank- Vintage Keys 2: https://t.co/eBjUKou00v https://t.co/aSup27hDez