Casio
Casio Privia PX-S1100
—
Released 2021-10
Best Digital Pianos · head-to-head
Casio Privia PX-S1100 vs Kawai ES120
A sourced, side-by-side comparison. Kawai ES120 is cheaper at $999. Every spec and price links to its source.
Kawai
Kawai ES120
$999
Which is better: the Casio Privia PX-S1100 or Kawai ES120?
The Casio Privia PX-S1100 wins 1 of the 1 specs we compare head to head; the other wins 0.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Casio Privia PX-S1100 | Kawai ES120 |
|---|---|---|
| US price | — | $999 |
| Brand | Casio | Kawai |
| Released | 2021-10 | — |
| Key count | 88 | 88 |
| Key action | Smart Scaled Hammer Action | Responsive Hammer Compact |
| Key material | simulated-ebony-ivory | plastic |
| Polyphony notes | 192 | 192 |
| Voice count | 18 | 25 |
| Speaker power watts | 16 | 20 |
| Form factor | portable | portable |
| Bluetooth connectivity | midi-audio | midi-audio |
| USB to host | Yes | Yes |
| Weight (kg) | 11.2 | 12 |
| Width (mm) | 1322 | — |
Sources — Casio Privia PX-S1100: manuals.co.uk (verified 2026-07-11). Kawai ES120: kawai-global.com (verified 2026-07-11).
What's the difference between the Casio Privia PX-S1100 and Kawai ES120?
Where the two actually differ on the specs we track (5 of 11). Matching specs are omitted.
- Key action: Casio Privia PX-S1100 Smart Scaled Hammer Action vs Kawai ES120 Responsive Hammer Compact
- Key material: Casio Privia PX-S1100 simulated-ebony-ivory vs Kawai ES120 plastic
- Voice count: Casio Privia PX-S1100 18 vs Kawai ES120 25
- Speaker power watts: Casio Privia PX-S1100 16 vs Kawai ES120 20
- Weight (kg): Casio Privia PX-S1100 11.2 vs Kawai ES120 12