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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2016-06-24: Our condolences to the family and friends of the great Bernie Worrell. May he rest in peace https://t.co/WEzyyVAtbD https://t.co/xDIUe1BkMA

2016-06-24: #Kurzweil #Forte 7/8/SE owners - check out the latest free SoundBank- The Roog: https://t.co/NzVGtIFkcL - https://t.co/2dG9zAdxdl

2016-06-23: #Kurzweil artist @Hannahholbrook will perform an online show on June 27th in support of Grace Orphanage in Togo. https://t.co/HhAvgzLBP6

2016-06-23: Listen to the #Kurzweil #ForteSE Synths: https://t.co/tzeWeV50sh

2016-06-17: #Kurzweil #ForteSE owners - learn to back up your data: https://t.co/78QDYX2mjQ

2016-06-16: #TBT #TheWho - Superbowl XLIV half time show and the #Kurzweil #PC3K introduction to the world: https://t.co/h6rlqpg8Ge

2016-06-13: Listen to the #Kurzweil #ForteSE Pianos: https://t.co/WomwFX9fEj

2016-06-10: Hands/pedal-free Rhodes effects: touch-wah vs envelope filter (Mutron) on the #Kurzweil #Forte. https://t.co/so1P8Nix2z

2016-06-09: RT @Hannahholbrook: Good times @annarborark last night! On the road with @iloveshelmusic & my favorite set of keys @KurzweilMusic #PC3K8 ht…

2016-06-08: #Kurzweil #Forte 7/8/SE owners - check out the latest free SoundBank- Retro Pads & Arps: https://t.co/NzVGtIFkcL https://t.co/O7pB6wNBNe

2016-06-06: Check out the sound of the #Kurzweil #ForteSE: https://t.co/vRqMe1G3Pa

2016-06-03: Kurzweil Forte SE v.1.10 now with a sequencer. https://t.co/pCt0nY4wHk https://t.co/MzZEOwSgrT

2016-06-02: Check out this library for the PC3/K/A/FORTE/SE by SynthSound: https://t.co/Ol81tACJsq https://t.co/qgJ7efkTQu

2016-06-02: Joel Bridges (BadHorse, Larry Blackmon, Justin Dukes) enters the #Kurzweil Artist Lounge: https://t.co/fY2zSXUPMv https://t.co/i1ZcYyjZaJ

2016-06-02: A piece of history, specially for all those Seinfeld fans out there, with a Kurzweil PC88 https://t.co/mVGuwzChle #TBT

2016-06-02: RT @DigitalTourBus: .@JukeboxtheGhost use gear from @jhspedals @Roland_US @KurzweilMusic +more while on tour! Find out what they use at ht…

2016-05-31: #Kurzweil #Forte 7/8/SE owners - check out the latest free SoundBank- POLY-Kz: https://t.co/NzVGtIFkcL + demo: https://t.co/6AEYN22WIZ

2016-05-23: @KurzweilMusic #ForteSE OS v1.10 Released! https://t.co/0bZTRtijgV https://t.co/HU3Q0cNELu

2016-05-23: Watch Kurzweil artist Rubén Valtierra performing with Weird Al at The Late Show with Stephen Colbert https://t.co/8dVq0giGVH

2016-05-23: RT @JunoPlus: The 10 best studio monitors out there sized up by our tech writers...https://t.co/whiKqSYM5q... https://t.co/3y5IqATO37