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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2017-01-20: Check out Forte 2.00 on the show floor #NAMM2017 - https://t.co/fslJMg4LE9

2017-01-20: Welcome @kylieodetta to Kurzweil's Artist Lounge: https://t.co/mbomsgU10F https://t.co/rFYVCSTySe

2017-01-19: #Kurzweil ForteSE# v2.01 available today! https://t.co/RrJZN4XZTI https://t.co/lrkBiSiRuC

2017-01-19: #nammshow2017: https://t.co/OnTHxVL2GJ https://t.co/et5moHZmyP

2017-01-19: RT @Drummiesyd: Live @NAMMShow @NAMM Thurs w/ @myronmckinley 1pm @KurzweilMusic & 4:30pm @Roland_US ...@MapexDrums @TycoonPerc @VaterDrumst…

2017-01-17: Welcome @AudreyBussanich to Kurzweil's Artist Lounge + see her performing Sat. 21 at the @NAMMShow https://t.co/8mXcgc1cxX

2017-01-17: Need Kurzweil Support? Please contact us though one of these forms: https://t.co/qYurPmpfsh

2017-01-15: RT @AudreyBussanich: See you at #NAMMshow, performing @KurzweilMusic booth A6464 1/21 at 1:30pm #music https://t.co/yuyA6J4VJ3

2017-01-12: RT @audiofanzinefr: #NAMM Piano numérique Kurzweil M130 https://t.co/tECt9RXnTG @KurzweilMusic

2017-01-12: Check our #Kurzweil #ArtisSE owner Arkadiusz Wilczek - Small Opus (orchestral) https://t.co/8vMlHz5SbF

2017-01-10: #Kurzweil boards seeing lots of Broadway action in 2016 @weisersound - https://t.co/IChVrAUK4q

2017-01-06: Connect with @Kurzweil @NAMMShow 2017: https://t.co/OnTHxVL2GJ https://t.co/88NVPOqr7I

2017-01-03: #Kurzweil #Forte update 2.03 released! https://t.co/yJN4fPudsH

2016-12-27: #Kurzweil #Forte 7/8/ owners - check out the latest free SoundBank- Legacy Leads: https://t.co/eBjUKou00v https://t.co/yVG8Xn7RHJ

2016-12-15: Explore the new Step Sequencer in #Kurzweil #Forte7/8/SE with this Quick Tip video : https://t.co/5E68QLLXXo

2016-12-15: RT @melodia_musik: @kurzweilmusic Kurzweil Forte 88 key Stage Piano.full size,16GB new sound hand selected German&vintage japanese... https…

2016-12-15: RT @melodia_musik: Melodiacs! Mau jadi keyboardist professional pakai ini @kurzweilmusic Kurzweil PC3LE8-88 key hammer action... https://t.…

2016-12-15: RT @melodia_musik: Melodiacs! Sudah cobain sound piano dan organnya dr @kurzweilmusic Kurzweil PC3A7 76 key workstation, satisying... https…

2016-12-12: #Kurzweil #Forte users learn how to route your favorite KB3 programs through an external rotary sim: https://t.co/doTjijZEkX

2016-12-12: RT @MysterianCN: @KurzweilMusic Great keyboard i ever used @Epica https://t.co/0czLQA0Heh