Kurzweil SP4-7

76-key Semi-weighted Stage Piano with Effects and 128 Presets
Kurzweil SP4-7 image 1
Kurzweil SP4-7 image 1
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Kurzweil SP4-7
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An Affordable Stage Piano with Flagship Sounds!

It's hard to believe that you can get a great-sounding Kurzweil stage piano at such an affordable price! The Kurzweil SP4-7 carries on the legacy of their most popular piano, the original SP76, by offering you 128 preset programs from their flagship PC3 series workstations, including pianos, basses, strings, guitars, drums, synths, and more. The SP4-7 stage piano is built for performance and has features that any live musician can appreciate. It's astonishingly lightweight, weighing 24 lbs. Plus, the SP4-7's frame is small enough that you can easily fit it in the back seat of an ordinary car.

If you play both piano and synth parts, you'll love the way the Kurzweil SP4-7's keybed feels, offering you enough resistance for piano-style parts, while also providing the fast response you need for synth lines. There's also a pair of remarkably comfortable wheels for modulation and pitch bending. Setting up zones with splits and layers on the SP4-7 is a snap, and you can quickly configure up to four separate zones to add exciting depth to your live performances. And while you can't fully edit patches, you can easily adjust the timbre and add effects to programs on the fly by using the SP4-7's astoundingly simple user interface.

Kurzweil SP4-7 76-key Stage Piano Features at a Glance:
  • 76 semi-weighted keys offer a fine balance between piano-style and synth-style action
  • 128 sounds taken from the PC3 workstation series
  • Includes electric and acoustic pianos, basses, strings, guitars, drums, synths, ensembles, and more
  • 4 zones, including splits and layers
  • Full-fledged effects library
  • Weighs 24 lbs.
  • Small frame makes it highly portable
  • Timbre and effects adjustment available from a simple interface
  • Pitch and mod wheels
  • 1/4" headphone output
  • MIDI input, output, and throughput
  • Complete MIDI functionality over USB, plus OS updates
Get top-of-the-line quality at a price you can afford, with the Kurzweil SP4-7 stage piano!

Tech Specs

Number of Keys 76
Type of Keys Semi-weighted
Other Controllers Pitchbend, Mod Wheel
Presets 128
Polyphony 64 Notes
Effects Yes
Audio Outputs 2 x TRS, 1 x TRS (Headphones)
Pedal Inputs 2
Height 3.4"
Width 43.6"
Depth 11.4"
Weight 24 lbs.
Manufacturer Part Number AMS-SP4-7

Customer Reviews

Based on 20 reviews
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Homer's Review..Best semi-weighted keyboard

Very lightweight & portable....I midi the SP4.. (which itself really has an excellent sounding selection of sounds)..( especially the pianos), with the sounds from my Roland Sonic Cell expansion module that has a"Complete Pianos" sound card (SRX11).. Combined via midi, and I am blown away. Even by themselves I consider the Pianos on the SP4 are really good.. So are the other SP4 sounds. They are also excellent.. The effects are great as is the ease of using the Modulation wheel and the Global Parameters..(even if you are not an expert keyboard user). You'll find that 76 keys are enough and the semi-weighted action is good.. even though I miss the weighted accelerated action of my Steinway L. But if you want a very lightweight piano that has very good and easy to use functions and great sounds,... for the money...Buy it.
Music background: Pianist..


I needed a lighter weight keyboard that had true acoustic piano sounds and great classic electronic The SP4-7 was exactly what I had hoped for.
Music background: Musician

great synth...with great sounds...

Im a music composer,song writer,singer and a pianist. I just sold my Yamaha MM6..and bought Kurzweil for gig...I did perform with mm 6.....nut I wasn't impress..!!I needed a synth with the piano keys,so decided to buy a synth with the piano keys,Im a huge fan of yamaha..I didn't use kurzweil before,but when I saw the review,I really loved it..great Organ,piano,strings,very good pads and choir tone.I can tell you its a pro synth for the gig.....
Music background: Music composer,song writer,singer.

Kurzweil SP4-7 sounds fantastic with great features

I've had the Kurzweil SP4-7 for about 3 weeks and played my first concert with it last night. It delivered the great sound I was interested in and which our audience loved. It is easy and quick to switch between the programs (voices) that you use the most and I am beginning to put together some pretty useful presets too. Another member of our ensemble is interested in getting an SP4-7, and I will definitely send her to Kyle Manship for help with a purchase.
Music background: Music teacher, horn player, and arranger

Kurtzweil SP4-7

I bought this keyboard recently and I really feel very honored for the string, organ, and the pianos sound that I been looking for. The price is very acceptable.The only complaint was the the shiping price from UPS to Puerto Rico besides that I close my eyes and feel very proud with my new love the SP4-7..........
Music background: Musician
See also: Electric Pianos, Kurzweil, Kurzweil Digital Pianos