Yamaha PSR-SX900 specs
The top of the PSR-SX line before the SX920: 61 FSB organ-style keys, 128-note polyphony, 1,337 voices and 525 styles through 2 x 25 W, with eight insertion effect slots and VCM-modelled DSP. Bluetooth audio and a USB audio interface are onboard.
Brand: Yamaha
8.2/ 10
KeyboardLookup score · how we score
1,337 sounds, 525 styles and 50 W of amplification with Bluetooth - the top of the PSR-SX range.
#5 of 27 arranger keyboards · full ranking| Status | current |
|---|---|
| Keys | 61 |
| Key action | Organ (FSB), Initial Touch |
| Polyphony | 128 |
| Sounds / presets | 1337 |
| Accompaniment styles | 525 |
| Sequencer | Number of Tracks 16; Quick Recording, Multi Recording, Step Recording; Number of Songs Unlimited (depends on the drive capacity) |
| Effects | Reverb 59 Presets + 30 User; Chorus 106 Presets + 30 User; DSP 322 Presets (with VCM) + 30 User; Insertion Effect 1-8: 322 Presets (with VCM) + 30 User; Master Compressor 5 Presets + 30 User; Master EQ 5 Presets + 30 User; Part EQ 28 Parts |
| Speakers | 50 W |
| Bluetooth | Yes |
| Weight | 11.5 kg |
| Sound engine | AWM Stereo Sampling |
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Strengths
- 1,337 voices and 525 styles
- 322 VCM-modelled DSP presets across 8 insertion slots
- 50 W (2 x 25 W) speakers
- Bluetooth audio plus USB audio interface
Weaknesses
- 128-note polyphony
- No aftertouch on the keybed
- Price could not be confirmed for this model in our source
Compare the Yamaha PSR-SX900 with
Spec source: usa.yamaha.com — verified 2026-10-10