1st Note

Casio

Casio PX-S1100 Review

Casio PX-S1100: a clear digital piano review for practice and comparison

88 Keys 11.2 kg Smart Scaled Hammer Action Bluetooth Beginner
In our TOP 10 Portability #9

Scores

8.4 4.5 7.0 7.3 6.5 Beginner Night Practice Portability Touch Reality Value

Beginner

8.4

Night Practice

4.5

Portability

7.0

Touch Reality

7.3

Value

6.5

Where to Buy

MSRP

$699

Retail prices change, so check current pricing at retailers.

These buttons open retailer search results and may include affiliate tracking where available. Stock and listing status can change without notice.

How These Scores Were Calculated

Beginner

8.4
Factor This Piano Points
Base Score 3.0
Lesson Function No +0
App Connectivity Yes +1.5
Recording Yes +1
Metronome Yes +0.5
Transpose Yes +0.3
Layer / Split Yes +0.3
Preset Songs 60 +1.5
Sound Variety 18 sounds +0.3

Night Practice

4.5
Factor This Piano Points
Base Score 2.0
Headphone Jacks 1 +1
Headphone Type 3.5mm +0.5
Headphone Optimization No +0
Key Action Quietness Smart Scaled Hammer Action +0
Volume Control Yes +1
Bluetooth Audio No +0

Portability

7.0
Factor This Piano Points
Base Score 5.0
Weight 11.2 kg +1
Width 1322 mm -0.5
Battery Yes +1.5
Foldable No +0
Key Count 88 keys +0

Touch Reality

7.3
Factor This Piano Points
Key Action Quality Smart Scaled Hammer Action (grade 6) +3.6
Key Count 88 keys +1.5
Polyphony 192 notes +1.2
Sound Modeling Multi-dimensional Morphing AiR +0.5
Key Surface simulated-ebony-ivory +0.5

How was this calculated? — Read our methodology

Casio PX-S1100 review verdict

This Casio PX-S1100 review reads the published specifications from a comparison-first point of view: touch, sound, practice fit, value, and limits.

Casio PX-S1100 is best read as a portable digital piano for beginners and returning players. This review looks at weighted-key feel, sound, practice features, value, and realistic comparison points instead of treating the spec sheet as advertising copy.

Pros

  • Key count: 88 keys, a clear basis for digital piano comparison.
  • Touch: weighted hammer action, so the review stays focused on practice feel.
  • Quiet practice: Headphone practice support.
  • Connectivity: USB MIDI, Bluetooth and app support.
  • Use case: Its best fit is home practice.

Cons

  • Main limit: the need for a furniture-style living-room instrument.
  • Stand cost and compatibility are separate checks.
  • Nearby current models may offer a better match for some players.

Casio PX-S1100 is a portable digital piano that makes most sense when its strengths are matched to the right practice situation. The useful points are 88 keys, weighted hammer action, 192-note polyphony, 16W speakers, and a weight of 11.2 kg. In a digital piano review, those details matter more than broad claims about being the best digital piano overall. For home practice, this model can be a sensible candidate if the layout and feature set match the way the instrument will actually be used. It is still worth comparing as a current buying candidate. The fairest comparison is with models in the same price and use class, where touch, speakers, headphone practice, and connectivity can be judged side by side.

Casio PX-S1100 evaluation points

Casio PX-S1100 key action and touch

Casio PX-S1100 uses a weighted hammer action. For a digital piano with weighted keys, the important question is not only whether the keys are heavy, but whether they help steady daily practice. The simulated ebony ivory key surface is a useful comfort detail. The specification lists 192-note polyphony; that is enough for ordinary pieces, while more layered playing or heavy pedal use benefits from a higher number. This makes the key action a practical comparison point rather than a decorative specification.

Who the Casio PX-S1100 is for

Casio PX-S1100 is most relevant for beginners and returning players. The main use case is home practice. Strengths: portability and easy placement. Limits: the need for a furniture-style living-room instrument. Buyers comparing digital pianos should also check the stand, pedal, headphone jack, app support, and local availability before deciding.

Casio PX-S1100 sound and speakers

Casio PX-S1100 offers 18 sounds and 16W speakers. That is the sound side of the review: enough variety for practice, but the real experience depends on speaker power, headphone use, and the room where it will be played. The headphone output supports quiet practice. For lessons, apps, or recording workflows, the useful connectivity is USB MIDI, Bluetooth and app support.

What to know before buying the Casio PX-S1100

Before buying Casio PX-S1100, compare it with nearby alternatives on touch, sound, portability, and value. A stand may need to be budgeted separately. A damper pedal is included, though some players may still want a fuller pedal unit. It is still worth comparing as a current buying candidate. For searchers looking for a Casio PX-S1100 review, the practical conclusion is to treat it as one candidate in a digital piano comparison, not as a universal answer for every player.

Demo Video

Source: Merriam Music Watch on YouTube ↗

Specifications

Keys 88
Key Action Smart Scaled Hammer Action
Polyphony 192 notes
Sounds 18
Weight 11.2 kg
Speakers 16W (×2)
Bluetooth MIDI

Spec terms are explained in the glossary. Glossary →

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Recommended Accessories

🪑

Stand

Stand not included (sold separately)

A sturdy X-stand or furniture-style stand is essential if one isn't included.

🎧

Headphones

Closed-back headphones with good bass response make practice sessions more enjoyable.

🎹

Sustain Pedal

The included pedal is usually basic. A half-damper pedal upgrade is worthwhile for expressive playing.

💺

Bench

An adjustable-height bench helps maintain proper posture during long practice sessions.

Where to Buy

MSRP

$699

Retail prices change, so check current pricing at retailers.

These buttons open retailer search results and may include affiliate tracking where available. Stock and listing status can change without notice.

How It Compares

PX-S1100 vs FP-10

The PX-S1100 scores higher in portability. The FP-10 costs $199 less. Choose the PX-S1100 if portability matters most.

Roland FP-10 →

PX-S1100 vs CDP-S360

The PX-S1100 scores higher in portability and piano-like touch. The CDP-S360 costs $100 less. Choose the PX-S1100 if portability matters most.

Casio CDP-S360 →

PX-S1100 vs XE20

The PX-S1100 scores higher in portability, piano-like touch and value for money, while the XE20 is stronger in quiet practice. The PX-S1100 costs $181 less. Choose the PX-S1100 if portability matters most.

Korg XE20 →

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What reviewers say online

A synthesis of recurring points from price-comparison sites, Amazon reviews, music-store staff videos and forum threads. Not a star-rating average — we read across multiple reviews and pulled out the points that came up repeatedly.

The Casio PX-S1100 is a slim Privia-series portable with a step up in keys and sound source over the CDP line. Across specialist review sites and retailer assessments, the recurring message is that it is thinner than a laptop yet has weight in the keys, and that sound and speakers have improved over the previous model, while some reviewers also point to the touch-panel ergonomics and the quirks the keybed takes on from being made compact.

Praised most often

  • Among the slimmest in its class, with strong portability

    The majority view is that it is among the slimmest digital pianos on the market and light enough to carry in one hand. Some reviewers also welcome that it runs on AA batteries, making it usable where there is no power outlet.

  • A keybed with more substance than the CDP line

    On the Smart Scaled Hammer Action, the common view is that it has a weighted, grand-piano-leaning touch and that the playing feel differs from the lower CDP line. The ivory- and ebony-style surfaces, which reduce finger slip, are also valued.

  • Sound and speakers improved over the previous model

    Reviewers credit the improvements: the grand piano tone has become more natural and the speakers have gained body and bass. Some note that distortion is low even at higher volumes and that it projects enough for practice.

  • USB audio recording supported

    Being able to record your playing directly to a USB drive is welcomed by users who want an easy way to keep a record.

Common cautions and criticisms

  • The touch panel is awkward to operate

    Reviewers repeatedly note that the glass touch buttons give no tactile feedback when pressed and that calling up functions is unclear. A standard remark is that operation is confusing until you get used to it.

  • Quirks that come from a compact keybed

    Because of the slim build, some reviewers note that the keys have a short pivot and that the weight is not uniform across the key. The observation is that the more experienced you are with an acoustic piano, the more readily you notice these quirks.

  • Bluetooth requires an optional adapter

    A standard framing is that the unit does not support Bluetooth audio, so connecting wirelessly to an app or phone requires an optional adapter (WU-BT10).

  • Sounds and effects are pared back

    Reviewers note that the sound count stays within a range that covers the basics and that the effects are kept to the essentials. The point is that anyone wanting varied sounds and effects will find it lacking (the framing is to point to the PX-S3100 for more sounds).

By source

  • Specialist review sites

    Outlets such as MusicRadar and PianoDreamers tend to rate the slim body and the improved sound and keys highly while calmly framing the touch-panel ergonomics and the quirks of the compact keybed.

  • Retailer reviews and videos

    Retailer channels such as Merriam Music and Piano Tone highlight assessments such as the most advanced slim portable in its price class and a practical instrument that balances portability with space saving.

  • Head-to-head comparisons (vs PX-S1000 / CDP-S160 and others)

    In play-offs against the previous and lower models, the framing is that sound and speakers have improved over the PX-S1000 and that it surpasses the CDP line in keys and sound source.

Net take

On balance, the PX-S1100 suits players who put placement first but want a step up in keys and sound over the CDP line. Among the slimmest in its class with strong portability, a keybed with substance, and sound improved over the previous model are the central points of praise. The touch-panel feel and the optional-adapter requirement for Bluetooth call for some compromise, and if you want varied sounds or wireless connectivity as standard, the PX-S3100 becomes a realistic comparison candidate.

We do not compute a numeric star average. The points below are recurring themes we identified by reading across multiple reviews.

Sources & transparency

This page is written by the operator, who has run the piano-learning site Piano Juku since 2017, based on published manufacturer specifications. We are not a retailer or tied to any maker — every model is compared by the same criteria. About the operator

Last verified
Data referenced from
Published spec sheet

How the 5-axis scores are calculated

We do not aggregate user reviews or star ratings (see methodology for why).

Spot a mistake or have a question about what's on this page? Let us know and we'll review it.

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