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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News

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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

2016-05-23: RT @Phils88key: Amazing night at the #BBMAs. Thanks to @MuseResearch @KurzweilMusic

2016-05-18: #Kurzweil #Forte 7/8/SE owners - check out the latest free SoundBank- MotionArpPack: https://t.co/NzVGtIFkcL + demo: https://t.co/Ydz0CMPgCO

2016-05-14: RT @Phils88key: Enjoyed playing "Came Here To Forget" on @jimmyfallon last night! @KurzweilMusic @MuseResearch https://t.co/3cjTIZ8DiA

2016-05-13: @KeyboardMag awards @KurzweilMusic Forte 7 KeyBuy - read the review! : https://t.co/epCmtKq0EF https://t.co/emYtemdcOe

2016-05-13: @Hannahholbrook front and center on the @KurzweilMusic Forte SE performing with @iloveshelmusic @musikmesse 2016 : https://t.co/cClNpkPGaw

2016-05-13: RT @soundtechnology: .@KurzweilMusic offers free Soundbank downloads for Forte® 8 / 7 / SE keyboards -> https://t.co/fHZAwQ4HhP https://t.c…

2016-05-12: Check out Dave W taking one of his custom @KurzweilMusic #Forte KB3 patches for little test drive. #skills :https://t.co/t8IXxWhmiK

2016-05-11: RT @A_M_AND_S: AM&S sure did represent at The Full Compass Expo today! @dBTechnologies @FullCompass @KurzweilMusic https://t.co/A9HJCJmvQv

2016-05-10: RT @Phils88key: Had a blast performing Go Ahead and Break My Heart @NBCTheVoice @MuseResearch @KurzweilMusic

2016-05-04: #Kurzweil #Forte 7/8/SE owners - check out the latest free SoundBank- Legacy Pack 1: https://t.co/NzVGtIFkcL + demo: https://t.co/QClZCLUoid

2016-05-04: GO Hannah! https://t.co/zq2SuqLqHj

2016-05-03: @KurzweilMusic is hiring - https://t.co/ZOKDglZrRv

2016-04-27: #Kurzweil #Forte 7/8/SE owners - check out the latest free SoundBank: Bass-Lead: https://t.co/NzVGtIFkcL + demo: https://t.co/FZ41C2Vmy0

2016-04-27: Check out Godlike Productions Mikro Tutorial showing how to add a chorus to a pad on the #Kurzweil #PC3: https://t.co/5lhQ12DN8H

2016-04-21: #TBT https://t.co/EZhI2J67Ov

2016-04-21: #Prince #RIP

2016-04-20: #Kurzweil #Forte 7/8/SE owners - check out the latest free SoundBank- Kinder Sounds: https://t.co/NzVGtIFkcL + demo: https://t.co/tcW7Q6talm