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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2018-02-23: #KURZWEIL #SP6 - Stage Piano Jamming by Synthcloud ( Part 3 ) https://t.co/PbwhvSG2GD The #SP6 is shipping in many… https://t.co/BsI7oX66qE

2018-02-22: #Kurzweil artist Frank Lucas with The Cyberiam. https://t.co/lO3UDDbf2n Learn more about the #Kurzweil #Forte https://t.co/3aTNlnqS5B

2018-02-22: RT @talcahuano74: Kurzweil MPG100 @KurzweilMusic #pianos #music #keyboard #kurzweil #talcahuano74 #talcahuano #musica #buenosaires . Vení y…

2018-02-21: See all new pics of the soon to be released #Kurzweil #SP1 - https://t.co/HHW0p2yFOm https://t.co/hzgnseticv

2018-02-21: Check out Chris Martirano's #Kurzweil #SP6 product demo at #NAMM2018 https://t.co/f8V7FXiwKD

2018-02-21: Check out Chris Martirano's #Kurzweil #SP1 product demo at #NAMM2018 https://t.co/PI4Bl3M6hg

2018-02-21: #Kurzweil artist #AudreyBussanich and her #PC3K8. https://t.co/6SLNEM0TkD Find out more about her in the Kurzweil A… https://t.co/tfMmXdiobJ

2018-02-20: Christian Martirano introducing the #Kurzweil #SP6 and #SP1 at #NAMM2018 - https://t.co/ilmsOYlD3s More info here… https://t.co/WAiBSjT59j

2018-02-16: #FlashbackFriday - travel back to the 80s in this fun #Kurzweil #Forte demo by Class of '84 https://t.co/a0mLdp8E6Y

2018-02-15: #Kurzweil is very proud of having our keyboards played in Andrew Lloyd Webber's musicals all over the world, night… https://t.co/547h7kwqX6

2018-02-14: RT @SweetwaterSound: #Demo: @KurzweilMusic SP6 88-key Stage Piano 🎹 ⬇️ https://t.co/D8YhAsYfnV

2018-02-13: #FrankLucas preparing his keyboards for The Cyberiam show. https://t.co/1iGQxFO2WD Learn more about the #Kurzweil… https://t.co/MLdXV4T9kT

2018-02-12: Very nice performance on a #Kurzweil #SP6. https://t.co/bcG3FInAh0 Learn more about the #SP6 here :https://t.co/fvOP3AnQX0

2018-02-09: #Kurzweil #CGP220, The Concert Grand Piano Experience. https://t.co/EqM5tnQpdB

2018-02-08: This is a pretty awesome lineup for @TheZombiesMusic ... and you can see @zombierodargent playing a #Kurzweil PC3X.… https://t.co/1aqGxqrjM1

2018-02-05: Jim Alfredson's rig with the #Kurzweil #Forte: https://t.co/UqHlFGInhn https://t.co/NSjfXW0oFk

2018-02-05: Own a #Kurzweil instrument? Got questions? Get answers: https://t.co/QIqKNu4jTi https://t.co/IgwFwhxclV

2018-02-01: https://t.co/UlrVS2JimO The great Nick Smith played at the #Kurzweil booth at #NAMM2018 and had some very nice word… https://t.co/jlmM2xvScT

2018-01-31: #Kurzweil is looking for a software engineer. All info here: https://t.co/KK3ArhkoLA https://t.co/wkyTs0MI5E

2018-01-29: Kim Bullard played a couple of #Kurzweil keyboards at the #GRAMMYs last night for #EltonJohn and #MileyCyrus perfor… https://t.co/RDsAuTfYbe