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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2017-02-24: RT @soundenginecom: @KurzweilMusic New Libraries for Forte: https://t.co/Eeu56tclDd

2017-02-23: Now available for the #Kurzweil #PC3LE too!! https://t.co/lbbNxU034n https://t.co/Q0uHU2UJEU

2017-02-21: Nice performance on the #Kurzweil #KA90 https://t.co/3DnrDJ2P1n https://t.co/vlckOSR7yo https://t.co/1GKd3ahppV

2017-02-16: New #Kurzweil #Forte7/8 Desktop Controller App! Get it now: https://t.co/yJN4fPudsH https://t.co/4Igp7JC8vN

2017-02-16: New #Kurzweil #ForteSE Desktop Controller App! Get it now: https://t.co/XyE31yrgPg https://t.co/YuoitREyC4

2017-02-16: RT @bonstudio: Αρμόνια KP100 & KP110 από την KURZWEIL https://t.co/oZcSDIUBRv via @YouTube @KurzweilMusic #kurzweil #keyboards #bonstudio

2017-02-15: #Kurzweil #Forte 7/8/SE owners - check out the latest free SoundBank- BPM/Synth/Strings: https://t.co/eBjUKou00v https://t.co/8NCkb0FWcB

2017-02-15: Les Miserables set-up in Sao Paulo, Brazil, with their #Kurzweil #PC3K's. https://t.co/fEdEozrUI0

2017-02-09: Another great 3rd party library (no samples) for #Kurzweil #PC3 and #Forte series by Barb & co. Electro Drome: https://t.co/XkIo2UYHBd

2017-02-07: "An American in Paris" Orchestrates with #Kurzweil - https://t.co/2WDapNGhKB

2017-02-07: Check out a new 3rd party Italian Piano sample library for the #Kurzweil #Forte https://t.co/PZKIV5tIVK https://t.co/vVYXxlMjyN

2017-02-02: RT @WestlakePro: We caught up with Chris from @KurzweilMusic to get the scoop on what's new at this year's @NAMMShow! https://t.co/9F47Nu7Z…

2017-01-31: Explore the AUDIO IN feature on the Forte7/8/SE with this Quick Tip video: https://t.co/MUCwCEigwR

2017-01-24: Welcome @TheBobbyKimball to #Kurzweil's Artis Lounge - https://t.co/c8WLwVgUl2 https://t.co/6maetYiFCh

2017-01-23: #Kurzweil #Forte 7/8/ owners - check out the latest free SoundBank- Ensemble Pack: https://t.co/eBjUKou00v https://t.co/wz13f4VoiN

2017-01-22: Thank You! https://t.co/1pyOiS5Sra

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