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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2019-02-11: #Kurzweil is hiring! https://t.co/ifL4ZmKuVZ https://t.co/mEIDsFXgct

2019-02-07: More info on the upcoming #Forte v4: https://t.co/ZkSDGWKdW5

2019-02-06: Meet fellow Kurzweil users at Facebook User Groups: SP6: https://t.co/Oa5GplOyvE Forte: https://t.co/a3Ly7Nmiaw PC3… https://t.co/6YOETHhFSw

2019-02-05: RT @uptone_pl: Firma @KurzweilMusic zapowiada kolejną, dużą aktualizację v4.00 dla instrumentów serii #Forte. Będzie ona oczywiście bezpłat…

2019-02-02: RT @edrecordstudio: Today recording electric piano: #martinalimosani & @KurzweilMusic PC3x @edrecordstudio https://t.co/C14zaXtfrr

2019-02-01: The #Kurzweil #Forte ready for the next Abel Pintos show. Learn more about the upcoming V4 update for the Forte at… https://t.co/jC8q8oHLUg

2019-01-31: It's so awesome to see #Kurzweil keyboards once again on an Elton John tour. But this Farewell Yellow Brick Road to… https://t.co/wNydYlTCus

2019-01-30: Check out this #Kurzweil $Forte V4 demonstration at the #NAMMShow by Chris Martirano for Sound on Sound Magazine… https://t.co/ZL17DgIlYd

2019-01-28: #Kurzweil artist Audrey Bussanich @AudreyBussanich at NAMM: https://t.co/LaXlDCY0Mc https://t.co/8mXcgc1cxX https://t.co/clpCUS8tsk

2019-01-27: RT @jhilboldt: the Golden Nugett has a house PC3X love it! @KurzweilMusic #kurzweil https://t.co/cOQOp7exQK

2019-01-25: See this Instagram photo by @olivia.thai https://t.co/RVcPxf4Urq

2019-01-25: See this Instagram photo by @kashyapiyengar https://t.co/6vMKD6PoNC

2019-01-25: Come see #Kurzweil artist Olivia Thai @OliviaThai live @NAMMShow https://t.co/KDNJS7XPT4 https://t.co/fvOP3AnQX0 https://t.co/US7Bk64KBx

2019-01-25: #Kurzweil artist Kashyap Iyengar playing at the Kurzweil booth @NAMMShow https://t.co/uSzyM223ed… https://t.co/Q8jpbtwzmY

2019-01-25: RT @audiofanzinefr: #NAMM NAMM 2019 Bientôt de la synthèse FM dans le Kurzweil Forte https://t.co/h0Z5ba4dIW @KurzweilMusic

2019-01-24: #Kurzweil is proud to announce to upcoming v4 release of the #Forte https://t.co/lfJ0aQXgcr https://t.co/WaZGI6vhJh

2019-01-23: Looking 4ward to tomorrow? Come see#Kurzweil at the @NAMMShow tomorrow in Anaheim, California. All the details at… https://t.co/PdePByDZiX

2019-01-18: #Kurzweil artist Kashyap Iyengar preparing for the @NAMMShow 2019. https://t.co/nIaWaqtPim Come and see him at the… https://t.co/uZGEN4WUsX

2019-01-16: RT @NeilPattonMusic: This morning’s office: Spring Convocation at @newhopecollege . A little Cannonball Adderley for the morning... #music…

2019-01-15: https://t.co/3V1Igi1jMd