Casio CDP-S100 88-Key Compact Digital Piano

91 out of 100. Incorporating 225+ ratings and reviews.

Gearank Recommended

The Casio CDP-S100 appeared on our recommended list for Digital Pianos Under $500 from April 2020 until April 2021 when it was removed due to being out-ranked by other keyboards.


The Casio CDP-S100 is a portable digital piano that takes playing feel seriously.

It features 88 hammer action keys with touch response and velocity sensitivity.

And taking playability a bit further, the keybed is designed to simulate the surfaces of actual ebony and ivory keys.

Interestingly, Casio pulled their punches when it comes to sounds, giving this unit only 10 voices to choose from, most notable of which are variations of acoustic and electric pianos, and two organs.

Another notable feature is the ability to control the settings of the piano via USB through an app.


  • Keys: 88 Hammer Action Keys
  • Touch Sensitivity: Touch Response, Velocity Sensitive
  • Speaker System: 2 x 4.72″, 2 x 8W
  • Pedal: Sustain Pedal, 1/4″ Pedal input
  • Presets: 10 Voices
  • Effects: Reverb (4 types), Chorus (4 types)
  • Polyphony: 64 Notes
  • Functions: Metronome, Recording/Playback, MIDI record
  • Audio Output: 1 x 1/8″ Headphones
  • Power: 12 V DC Power Supply or 6 x AA Batteries
  • Stand: Optional
  • Color: Black
  • Dimensions: 3.8″ x 52″ x 9.1″
  • Weight: 24.3 lbs
Although the CDP-S100 was previously on our recommended list, there are now more highly rated options available which you can see in our guide to The Best Digital Pianos Under $500.


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