Yamaha PSR-SX900


  • 61 Velocity-sensitive keys
  • New FSB keyboard
  • 1337 Voices + 56 Drum /SFX Kits + 480 XG Voices
  • 525 Styles
  • 128-Voice polyphony
  • Keyboard parts up to Right 3
  • Assignable buttons, joystick and live controller
  • Vocal Harmony and Synth Vocoder functions
  • Expansion audio style
  • XG/GM/GM2/GS sound compatible
  • DJ styles
  • Arpeggio function
  • 1 GB internal expansion memory
  • Touch screen display
  • Audio link multi pads
  • Audio recorder/player in WAV and MP3 format
  • Pitch shift
  • Chord looper
  • Bluetooth audio
  • Headphone jack
  • Mic/Guitar input
  • MIDI in/out
  • USB to host
  • USB to device (2x)
  • AUX input
  • MAIN output (L / L+R, R)
  • SUB (AUX) output (1.2 (L / L+R, R)
  • Sustain pedal connection
  • Speaker system with 2 x 15 Watt
  • Dimensions (W x D x H): 1017 x 431 x 139 mm
  • Weight 11.5 kg
  • Includes power adapter (PA-300C), owner's manual and music stand
  • Suitable video adapter: Article no. 431245 (not included)
  • Suitable protective cover: Article no. 497394 (not included)
No JavaScript? No Audio Samples! :-(

Audio Examples

  • Acoustic Guitars
  • Demo 4
  • E - Pianos
  • Pianos
  • Accordeons
  • Brass
  • Demo 1
  • Demo 2
  • Demo 3
  • Organs
  • Vocals
  • Woodwinds
  • E - Guitars
  • Strings
  • Show more

Further Information

Keys 61
Illuminated Push-Button No
Touch-Sensitve Yes
Aftertouch No
Storage Medium USB to Device, USB to Host
Lyrics Function Yes
Score Function Yes
Vocal Harmony Yes
USB Audiorecorder Yes
MIDI interface 1x In, 1x Out
Microphone input Yes

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Our most popular Home Keyboards
14 Customer Ratings
  • 5
  • 4
  • 3
  • 2
  • 1
5 /5
  • handling
  • features
  • sound
  • quality
Yamaha SX 900
Sligo John O, 22.01.2020
My new Yamaha arrived the other day and my initial reaction is one of delight. I wanted a smaller keyboard that i could carry around when playing with friends and the SX 900 fits the bill.
It has a user friendly keyboard with buttons and equivalent touch screen functions. I tend to prefer buttons (I'm an analogue kind of guy)
It has a great array of sounds and styles and with the arranger you get a genuine band feel.
I suppose i am a bit disappointed with the piano sounds but a sold a Nord to buy the SX 900 and was spoiled with quality piano sounds. But overall my initial reaction is very positive.
The manual isn't quite as friendly as the keyboard and some of the diagrams are hard to read. The SX 900 comes without a pedal and a Korg sustain pedal I possessed wouldn't work with it.
I am not in a position to compare the SX to competitors as I havent had an arranger keyboard for a long time.
But one week into having it I must say so far so good and I am happy with my purchase.
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superman, 13.03.2021
Been using it for more than a year now Super happy with it If you want to hear the capability of the keyboard visit my youtube channel on youtube.com/c/synthgrooves
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de Original review (Show translation)
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SX900 - druckvolles, sauber klingendes Keyboard
Hans-WernerR, 24.10.2019
Gerne gebe ich nach kurzer Einarbeitung in dieses Keyboard eine erste Bewertung ab. Ein erster Eindruck nach einer Woche - also nicht endgültig. Mein Hintergrund: Bisher PSR-S950, Life und Midi-Musiker, nie ohne zusätzliche Display / 10 Zoll Bildschirm(e, für DUO).

Vorab: Noch kein Wechsel auf ein Nachfolger ist so leicht gefallen wie zur SX900. Auf ein paar beachtenswerte Einschränkungen komme ich später.

Der Sound ist großartig, die Standard-Abstimmung der Lautstärken sofort spielbar: Rechte Hand klarer, stärker, lauter. Abstimmung zwischen Begleitung, Midi und Voices hervorragend. An die neue Zuordnung habe ich mich schnell gewöhnt: Z B. Keine Saxophone = in Woodwind "versteckt". Alle Daten der S950 wurden perfekt integriert bzw. sind auf USB Stick sofort nutzbar. 4 GB Userspeicher. Einstellungen über Touch-Menü ohne Makel. Vermisst habe ich den alten Song- Creator. Die neuen Funktionen scheinen versteckter, wenn man lange Jahre mit dem Creator gearbeitet hat. Die programmierbaren Tasten für Schnellzugriffe (Assingnable) sind das, was mir bisher gefehlt hat: TALK = ein (zu programmierender) Tastendruck auf eine der Tasten, los gehts. Auch die Multipads scheinen abgestimmter als bisher. Zum Vokoder noch keine Angaben. Expansion ist mit mehreren Dateien nutzbar. Allerdings nur mit dem von Yamaha herunterzuladenden Expansion Manager zu installieren.
Ich will es zu Anfang nicht überfrachten. Was zu beachten ist: Anschluss externer Displays nur über separate Grafikkarten. Wieder ein externe Teile, zusätzlich zum alten, gegen Kabel-Knicken zu schützendem Netzteil. Das Update auf die schon lieferbare Software 1.3 ist in englischer Sprache bei Yamaha beschrieben und hat absolut problemlos geklappt. Die Right 3 Voice Ergänzung für die rechte Hand finde ich Klasse. Aber: wird immer mit Lautstärke 127 voreingestellt, ist also in den Registrierungen oder im Midifile zu sichern. Unbefriedigend finde ich die Voreinstellung für die Score Einstellung. Im Modus Score wird für jedes Midifile die kleinste Noten- und Schriftart dargestellt. Eine Programmierbarkeit oder Registrierbarkeit größerer Einstellung habe ich noch nicht gefunden. Klar, im Midi speichern - bei 2500 möglichen Playlisteinträgen ein Wahnsinn. Die Schriftgrößen im Score Modus betrachte ich als grenzwertig, aus meiner Sicht zu klein.

Wie immer reagiert Fa. Thomann aber schnell auf Anfragen. Der Service ist wie mehrfach erfahren auch hier ausgezeichnet. Bei allen meinen Einschränkungen: Das Keyboard macht von Anfang an druckvollen Spaß.
Ein SUB über die zusätzlichen Ausgänge klingt saustark, lässt sich aber in der Lautstärke nicht vom Keyboard aus steuern.
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fr Original review (Show translation)
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Petit frère du GENOS en plus compact
Canto, 07.10.2020
J’acheté ce clavier PSR SX 900 pour remplacer mon psr 670. La différence entre ces deux claviers saute aux oreilles. Points forts de ce clavier :les haut parleurs incorporés et l’amplification de trés bonne qualité, écran tactile et ergonomie, qualité des sons en général, j’aurai bien aimé retrouver le son de piano fender du 670, mais bon! Qualité des batteries et des rythmes et bien sûr comme le 670 la possibilité de le brancher sur batterie de 16 v quand on joue á l’extérieur. POINT FAIBLE :malgré la finition des touches qui a été amélioré, car il n’y a plus d’angles coupants, ce clavier et le toucher ne sont pas à la hauteur des sons et du prix de ce clavier, le toucher est nettement inférieur à celui du Tyros 2 et inférieur à celui de mon orgue Hammond B 3000, je le trouve un peu trop mou! Je ferai un rajout de commentaire dans 6 mois à l’usage. Dans l’ensemble ormi le toucher c’est un très bon arrangeur de milieu de gamme
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