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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2020-02-14: Jon Hart chooses the #Forte 7. Boy & Bear @boyandbear played a sold-out show at the Enmore Theatre last year. The… https://t.co/TUI2H6ilXR

2020-02-13: #ThrowbackThursday Back to the 90's... Jordan Rudess @Jcrudess introducing the #Kurzweil K2500X https://t.co/ElWQrf0Xm0

2020-02-12: RT @soundtechnology: The @KurzweilMusic SP1 includes many neat features with a simple front panel layout that makes it incredibly easy to n…

2020-02-11: #Kurzweil #PC4 Piano Muzykuj Kamil Baranski https://t.co/2rs8Y7sSy2 via @YouTube

2020-02-07: Welcome Andrea de Paoli to the #Kurzweil family, courtesy of Generalsound. https://t.co/4hPbKQAcSo https://t.co/sYUyQBB1zA

2020-02-07: Cool pic of Moray MacDonald of Rammlied, Rammstein tribute act from the UK. Kids don't try this at home!… https://t.co/xKqCZeF5xU

2020-02-07: Nice comparison of sounds between the #PC4 and the #PC3K by Mex for SynthCloud. The PC4 can import and play all the… https://t.co/ogrywkxi5j

2020-02-07: Valentin Zopp showing how playable the #Kurzweil #PC4 keyboard action is in this short video. Check it out! Learn… https://t.co/BVApGbxEDR

2020-02-04: Enzo Messina with a #Kurzweil #PC4 (just music, not talk). Check it out! https://t.co/APODTtaLvc Learn more about… https://t.co/Gdsq9BNwAv

2020-02-03: Nice picture of Roy Bittan @roybittan https://t.co/Zfyu5RbBad https://t.co/N53K6c1Olz

2020-01-30: Lots of #Kurzweil keyboards in this beautiful clip by George Tsokanis and Marina Tsokani https://t.co/gAIQLKxNjr

2020-01-29: Check out Kim Bullard's keyboard rig when he tours with Elton John, including a couple of #Kurzweil K2600 keyboards… https://t.co/RIXuo5V8Y6

2020-01-27: Such a cool picture of the preparations of the Andrew Lloyd Webber's musical Unmasked courtesy of David Weiser… https://t.co/EoMhubacVx

2020-01-27: AM Records in El Salvador with a #Kurzweil #ForteSE. https://t.co/vwK4HL2P3I More info about the Forte SE at https://t.co/pCt0nY4wHk

2020-01-21: Jim Alfredson @b3groover passed by the #Kurzweil booth at #NAMM2020 NAMM to say hi but his virtual self stayed wit… https://t.co/ibIpru3SJj

2020-01-21: Olivia Thai playing the #PC4 at the #Kurzweil booth. #NAMM2020 https://t.co/KDNJS7XPT4 https://t.co/4hPbKQAcSo https://t.co/ow3gbLhuRm

2020-01-21: Will Champlin at the #Kurzweil booth at #NAMM2020 playing a Kurzweil #PC4. More info about the PC4… https://t.co/Lp1Qmz8OJQ

2020-01-20: RT @pianomalone: Had a great little crowd for our @NAMMShow set at @KurzweilMusic yesterday - saw lots of old friends and made some new one…

2020-01-19: RT @JoarBirkeland: Just spent a couple of hours just improvising on my Kurzweil PC3k-8. @KurzweilMusic I don’t know who in your team that c…

2020-01-18: RT @pianomalone: This is what happened the last time I played the @NAMMShow. I'll be there tomorrow Noon for a short set at the @KurzweilMu…