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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2014-07-16: Check out Hannah Holbrook (#SHEL) performing "When the Sky Fell" on the #Kurzweil #Forte - awesome! http://t.co/kp8nrnBFBY

2014-07-02: RT @Hannahholbrook: Here's a video from my last visit to Kurzweil Music Systems! I'm in love with their new 88 Key Stage Piano - The... htt…

2014-07-01: RT @misetekudasai: Whoa, @KurzweilMusic K2661 sighting at the OST event for the game "Kowloon's Gate" in Japan: http://t.co/bhhJcC67fs http…

2014-06-30: Hannah Holbrook (Shel) performs "Late Bloomer" on the #Kurzweil #Forte http://t.co/BJOSStujgH

2014-06-24: Check out all new audio clips of the Forte! http://t.co/wLVb2mdsgh

2014-06-17: Check out Barb And Co new soundset for the PC3/K/LE - "Keys of Gold" http://t.co/8oe4z5U7Ij

2014-06-04: RT @pnutsings: @ArtistRelations thank u for being part of my team. U r the perk to gr8 products like @KurzweilMusic @TronicalTune and the…

2014-06-04: 2000 followers! Thanks!

2014-05-22: Check out the custom cab on the #Kurzweil #MPS20 digital piano! http://t.co/qsHy7kcnAR

2014-05-15: Control your #Kurzweil #Artis from your DAW with the new PlugSE! http://t.co/j0ORKfnBJM

2014-04-30: RT @vassilis_keys: My #Kurzweil #PC3X is now updated with #KORE64. Although a bit late, that was totally worth it.Simply amazing sounds @Ku…

2014-04-23: PC3K Desktop Editor v2.44 released: http://t.co/93GyTSoQJC

2014-04-23: PC3 Desktop Editor v2.44 released: http://t.co/wuEmLqEcLz

2014-04-15: Now hiring! Work as an engineer for #Kurzweil! http://t.co/1FJnHXekj3

2014-04-11: #AlbanoSales enters #Kurzweil's Artist Lounge: http://t.co/khFbWIfBcW

2014-04-07: Check out the new #Kurzweil #Andante Series Digital Pianos! http://t.co/Bm5nU3Nrlq

2014-03-21: #Kurzweil #Forte makes the top 10 Best of Musikmesse 2014 - Audiofanzine http://t.co/8kwcf5OmS0

2014-03-20: Check out #SHEL's Hannah Holbrook taking the #Forte for a spin at #Kurzweil R&D! http://t.co/NfaneFgbBp

2014-03-12: Check out the NEW #Kurzweil #Forte: http://t.co/XdTTmLIBl4

2014-03-11: Introducing the #Forte™ http://t.co/E80D6NXEDf