Review
Casio PX-S1100 review
Scout take
The PX-S1100 has a clear purpose: fit an 88-key piano into a slim, movable setup. Battery operation and line outputs add practical flexibility. The right buyer values that convenience and likes the action; the wrong buyer chooses it only because the case is thin without checking the playing position and controls.
Who it fits
- Small rooms and apartments
- Players who need an easy-to-move 88-key piano
Who should skip it
- Players seeking a large console speaker experience
Model overview
The PX-S1100's strongest argument is convenience: a slim body and portable workflow. Compare its key feel and speaker behavior with Yamaha P-series, Roland FP, and Kawai ES models rather than choosing on thinness alone. Add the cost of a stable stand and proper pedal setup to the real budget.
Keyboard action
Piano Tone’s account includes ownership and a preference for the lighter Casio action compared with other instruments the reviewer used. That is useful individual experience, not a universal action ranking. Try chords farther back on the keys and repeated notes. The compact mechanism is a reason to audition carefully rather than a reason to rule the instrument in or out from photographs.
Piano sound
MusicRadar reviews the updated sound and speaker presentation positively in the context of this portable design. Listen at the volume you would use in a bedroom or apartment. A speaker demonstration and a direct audio recording answer different questions: one includes the room and the built-in drivers, while the other may bypass them. Compare headphones separately.
Controls and usability
Touch controls help keep the case visually uncluttered, but appearance and operation are different priorities. Check how easily you can change a sound, adjust a layer and confirm a setting. The included WU-BT10 handles Bluetooth audio and MIDI; keep track of the adapter when moving the instrument. USB audio recording to storage should not be confused with a computer USB audio interface.
Buyer fit
Choose the PX-S1100 if a shallow case, flexible placement and optional battery use solve real problems for you. Budget for a stable stand and a pedal arrangement that stays in place. Compare the P-225 and FP-30X if you want to prioritise another action or workflow. There is no benefit in saving a few centimetres if you prefer playing the alternative.
Pricing
USD 729.99 historical observed price (checked 2026-09-25). Current price needs checking; excluded from budget matching. — The observed U.S. instrument price in the key specifications table below was checked 2026-09-25. It is a dated market observation, not a guaranteed checkout total. Compare the same finish and package, including stand, bench, pedals, tax, delivery and assembly.
Owner evidence
The evidence collected for this article does not establish a rate of failures or a recurring long-term ownership problem. We do not generalise from isolated comments or present reviewer preference as owner consensus.
Key specifications
| Status | current |
|---|---|
| Price reference | USD 729.99 historical observed price (checked 2026-09-25). Current price needs checking; excluded from budget matching. Instrument only; finish, tax, accessories, delivery and assembly may affect the total. |
| Keyboard action | Smart Scaled Hammer Action |
| Key construction | Not verified |
| Key surface | Not verified |
| Escapement / let-off | Not verified |
| Maximum polyphony | 192 |
| Piano sound technology | Multi-Dimensional Morphing AiR |
| Speakers | 16 × 8 cm oval × 2 |
| Amplification | 8 W × 2 |
| Pedals | SP-3 included; optional SP-34 three-pedal unit supports half-damper |
| Bluetooth audio | Yes, via included WU-BT10 adapter |
| Bluetooth MIDI | Yes, via included WU-BT10 adapter |
| USB audio interface | Not verified |
| USB MIDI | Yes |
| Line outputs | 6.35 mm L/Mono and R |
| Headphones | 2 × 3.5 mm stereo |
| Dimensions (mm) | 1322 W × 232 D × 102 H (without music stand) |
| Weight (kg) | 11.2 |
| Apps | CASIO MUSIC SPACE |
| Warranty | Not verified |
Check Casio PX-S1100 availability on Amazon
Paid link. As an Amazon Associate I earn from qualifying purchases. Details.
Research disclosure
Digital Piano Scout has not physically tested this instrument. This is original research-based analysis using manufacturer documentation for facts and attributed third-party reviews for playing impressions. The source publications may have their own commercial relationships. No star rating or universal winner is assigned.
Sources and research
- Casio PX-S1100 official documentation — manufacturer
- musicradar.com — model review — independent review
- pianotone.ca — model review — independent review