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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2018-12-10: RT @BpmRincon: @KurzweilMusic Nos alegra informaros que ya tenemos en B.P.M. representación de KURZWEIL con el KP-70, y más que llegarán.…

2018-12-10: RT @ValenciaMusical: Nuevos KURZWEIL PORTABLE SERIES. Reserva el tuyo en Valencia Musical: https://t.co/Ku9LC9mLt2 @KurzweilMusic #kurzwei…

2018-12-10: RT @edrecordstudio: Today recording electric piano: Martina Limosani & @KurzweilMusic PC3x @edrecordstudio https://t.co/EWjTHfNPzB

2018-12-07: Be sure to check out the ever-growing #Kurzweil community - many great 3rd party devs and other helpful resources… https://t.co/3jtzgW5SVo

2018-12-07: Tobias Kopietz playing some custom David Weiser's piano sounds on the #Kurzweil #Forte. https://t.co/TAYlmTgcvI

2018-12-05: Great sounds for your #Kurzweil #Forte or #PC3K in this new Pulse III library from Barb and Co. Stéphane Garganigo… https://t.co/C9wuLY85tI

2018-12-05: Check out this Instagram video by #Kurzweil artist @kashyapiyengar jamming on his PC3K8: https://t.co/h7l4eq3Mpz

2018-12-04: Tobias "HammondToby" Kopietz @hammondtobyofficial celebrates Xmas on his #Kurzweil #Forte - nice arrangement: https://t.co/IaLDd1KJ14

2018-11-30: #Kurzweil artist @olivia.thai and her #SP6 https://t.co/VH2wnX4cLq

2018-11-29: Classic #TBT from 2001, Alicia Keys playing Fallin' live on Leno with a #Kurzweil PC88: https://t.co/VzsFi51uA2

2018-11-28: For those of you who understand Italian, a nice presentation of the #Forte connected to the computer editor by… https://t.co/XFh8NcAo89

2018-11-26: RT @edrecordstudio: Today recording electric piano @edrecordstudio PC3x @KurzweilMusic https://t.co/kSpSp09Tcv

2018-11-21: The #Kurzweil K250, released in 1984, was the beginning of a new era. This is a brand new review done by SynthMania… https://t.co/k8FaXI9e4f

2018-11-19: RT @NeilPattonMusic: Office for the evening: Rehearsal for One Hope Lane County city-wide Thanksgiving Worship service this Sunday. I love…

2018-11-15: #Kurzweil artist @hannahonthekeys https://t.co/M8ouPYXIua

2018-11-15: RT @edrecordstudio: Today recording electric piano @edrecordstudio: Mariangela Visconte & PC3x @KurzweilMusic https://t.co/y3LLoGtT8Z

2018-11-14: #Kurzweil artist Frank Lucas adding another Kurzweil axe to his arsenal. https://t.co/zuXKmVn28K Learn more about… https://t.co/fLGJ29JomD

2018-11-14: For all support issues please contact us here: https://t.co/qYurPmpfsh

2018-11-08: #Kurzweil #Artis, #ArtisSE, #Forte, #ForteSE, #PC3, #PC3A, #PC3K and #SP6 owners - have an iPad? All iPad editors… https://t.co/62S2k09yDr

2018-11-08: Valentin Zopp enters #Kurzweil's artist lounge - https://t.co/M1ru4tSd2i Be sure to check out his #Forte video tuto… https://t.co/lQ4qzGl2MZ