SP4-8 Features & Specs

All specifications subject to change without notice.

Keyboard: 88-note hammer-weighted action with velocity sensitive adjustable keys (Fatar TP/100LR)
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 wheel, modulation wheel, 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)
Headphones: 1 rear panel 1/4" headphone output
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:

(5.5") (13.97cm) - rear

(3.25") (8.26) - front

Depth: (13") (33.02cm)
Length: (55.13") (140.02cm)
Weight: (39 lb.) (17.7 kg)
Power: External 15VDC 1.0A power supply

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2019-07-12: RT @cadamesofficial: Solito from last night at @TransferMKE @tocaperc @KurzweilMusic https://t.co/1TlSQ65TFv

2019-07-10: Kurzweil products are well supported by the musical community. In addition to various commercial developers a large… https://t.co/93CZ7zzJLc

2019-07-03: RT @edrecordstudio: Today recording electric piano: #mariangelavisconte & @KurzweilMusic PC3x @edrecordstudio https://t.co/3UJm7objOD

2019-06-27: #Kurzweil #SP6 demonstration by Musicland in Vietnam. Learn more about the SP6 at https://t.co/fvOP3AnQX0 https://t.co/p2LkrmYGG9

2019-06-24: Almost as good as being there ; ) View from audience of Weird Al Yankovic 2019 “Strings Attached” Tour powered by… https://t.co/f0NT4jgEzV

2019-06-20: Coming soon! https://t.co/NvJOnVfzAa https://t.co/FRwgchdl4x

2019-06-18: RT @edrecordstudio: Today recording electric piano: #robertocorlianò, #nicolagelo & @KurzweilMusic PC3x https://t.co/EuAoxlUgkk

2019-06-17: RT @cadamesofficial: Wonderful performance last night at the @mayfaircollectn Carlos Adames Drums Eric Jacobson Trumpet Elias Holman Keybo…

2019-06-17: RT @MikeTroy333: @AWMHFoundation @larsulrich @KirkHammett @RobertTrujillo @fansofmetallica @BookOfMetallicA @Metallica @Revolvermag @lan…

2019-06-12: #Kurzweil artist and personality David Weiser showing a very powerful multi in the Kurzweil #Forte.… https://t.co/88PfOze54h

2019-06-06: Need amplification for your #Kurzweil KD1S electronic drum kit? Check out the newly released KDA35 powered drum mon… https://t.co/CBwmYKRZWR

2019-06-06: RT @uptone_pl: @KurzweilMusic #KAC40 to pierwszy wzmacniacz gitarowy typu combo do gitary akustycznej, którym właśnie pochwalił się produce…

2019-06-05: Check out the new #Kurzweil #KAC40 Acoustic Guitar Amp - https://t.co/rGTh1lt7ya https://t.co/Twr1ixm3A7

2019-06-05: What a picture!!! https://t.co/sPiNlEK035

2019-05-28: #Kurzweil #Forte piano sounds demonstration courtesy of marcoballa. Get your Forte now! https://t.co/NSjfXW0oFk https://t.co/XJOAdBLk1b

2019-05-24: Check out the #Kurzweil #SP1 - The Perfect Piano for Students !https://t.co/iNa4dbqBgK Courtesy of #AndertonsTV https://t.co/1m7r3ltmQa

2019-05-23: RT @komasamikun: Retro-Time Throwback... @copelandmusic using @MOTUTech Performer and @KurzweilMusic K2500X to make #Spyro Original #Soundt…

2019-05-22: The great Jim Alfredson @b3groover having fun with his #Forte: https://t.co/CGHx3qepDW Check out Jim's page in the… https://t.co/VKsiT1gDb3

2019-05-21: Congrats Sweetwater Sound @SweetwaterSound!! "Surack credits much of his success to a synthesizer he came across i… https://t.co/d97137opb4

2019-05-21: RT @soundtechnology: Just in case you missed it, @KurzweilMusic are giving you the chance to win a new PC4 Performance Controller and Produ…