Everything in Music - Since 1958

Casio CT-S1 Portable Digital Piano - Red

  • Our Price
  • Regular price $199.99

• Inventory changes daily
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The Casio CT-S1 Makes It Easy To Personalize Your Style And Your Keys

Imagine your world filled with music. With the CT-S1, life is better in harmony. The simple, classic design is an easy complement to any room, and you can express yourself – anywhere and anytime – through music that reflects your emotion and brings joy and happiness. Easily transform your mood and style into your own personal sound.

The CT-S1 reflects your style in more ways than one. Choose the color that best matches your home, your look, or your life in general. Then, express yourself with 61 studio-quality, stage-ready Tones. And with a keyboard that looks and sounds this good, there's no need to keep it on a stand. Put in 6 AA batteries, attach a strap, and wherever you're standing becomes center stage.

Make music yours. Define yourself in sound.

Basically Everything

Like many of Casio's Privia and Celviano digital pianos, the CT-S1's streamlined design features simplified controls that allow you to focus on selecting a Tone and practicing or performing without distraction. A convenient metronome button helps you keep time, and an easy one-button recorder lets you capture ideas.

The Heart of a Champion

The CT-S1's AiX Sound Source delivers sound quality that you'd expect from a keyboard costing hundreds, if not thousands more. Power on the CT-S1, and you'll be presented with a dynamic, expressive German concert grand piano placed in a virtual concert hall. You'll also find essentials like electric pianos, organs, strings, synths, and more, with Advanced Tones adding complex layers that react to your playing. A collection of vintage keyboard sounds is also included, featuring recreations of timeless, sought-after keyboard instruments. Also included are classic Casio sounds from the VL, VZ and CZ series.

Small Size, Huge Sound

There are three ways to experience the CT-S1's amazing sound quality at its best. First, the bass-ported stereo speaker system delivers eyebrow-raising punch and clarity throughout the entire volume range. Second, plug in a good set of headphones for personal play. Third, press the SURROUND button, and the sound from the speakers will place you right in the middle of your music.

More Than Meets the Ears

A world of possibility lies behind these keys. You can choose virtual concert venues, layer tones together, add delay and EQ, adjust temperaments, and much more, right from the front panel. The FUNCTION button takes you far beyond the ordinary, and every CT-S1 comes with an easy guide that shows you exactly how to unlock the CT-S1's full potential.

Connected To Your World

The microUSB port connects your CT-S1 to any PC, Mac, iOS or Android device with no drivers or installation needed. Use the free Chordana Play app to learn to play your favorite songs with downloadable MIDI files. With the optional WU-BT10 Bluetooth MIDI/audio adapter, you can even connect wirelessly to your favorite devices to control them via MIDI, or to use the CT-S1 as a Bluetooth speaker.

  • Touch Response - Add intensity and rich expression to each note you play
  • Tone Memory - Store all your favorite tones and settings for instant recall
  • Layer Function - Expand your performance range by layering two tones
  • Metronome - Keep time in practice and performance
  • MIDI Recorder - Record your performances and play them back
  • Phones/Output Jack - Tuck yourself away from the world around you as you play


  • Keyboard
    • Number of Keys: 61
    • Touch Response: 3 sensitivity levels, off
  • Sound Source: AiX, Polyphony: 64
  • Tones: 61
    • Advanced Tones: 10
    • Casio Classic Tones: 12
  • Layer: 2 (Upper 1/2)
  • Sustain: Yes
  • Effects
    • Reverb: 24 (+Preset for each tone)
    • Chorus: Yes (Preset for each tone)
    • Delay: Yes (Preset for each tone)
    • DSP: Yes (Preset for each tone)
    • Master EQ: 10
  • Volume-Sync EQ: Yes
  • Surround: Yes
  • Metronome: Yes
  • Songs: Demo Song: 1 + 10 (Piano demo)
  • My Set Up Function: Yes
  • Tone Memory Function: Yes
  • Transpose: -12 to 0 to +12 Semitones
  • Tuning: A4 = 415.5 Hz to 440.0 Hz to 465.9 Hz
  • Octave Shift: -3 to 0 to +3 Octaves
  • Scale Setting: Equal temperament + 16 variations
  • MIDI Recorder: Yes
    • Songs: 1
    • Memory Capacity: 40,000 notes
  • General MIDI: Yes
  • Bluetooth® MIDI/Audio: Yes (with optional adaptor)
  • Supported App(s): Chordana Play
  • Terminals
    • PHONES/OUTPUT: Stereo mini
    • PEDAL: Standard
    • AUDIO IN: Stereo mini
    • USB TO HOST: micro B
    • USB TO DEVICE: Yes (for WU-BT10 only)
  • Strap Pin: Yes
  • Speakers: (13cm x 6cm) x 2
    • Horizontal Bass Reflex: Yes
  • Amplifiers: 2.5W + 2.5W
  • Power Supply
    • AC Adaptor: AD-E95100L (DC 9.5V)
    • Battery: AA-size alkaline batteries x 6 or AA-size rechargeable nickel metal hydride batteries* x 6
    • Battery Life: Approximately 3 hours continuous operation*
  • Power Consumption: 7.5 W
  • Dimensions: 930 x 258 x 83(mm)
  • Weight: 4.5kg
  • Included Accessories: Music stand, Strap lock
  • Optional Accessories (sold separately)
    • Pedals (SP-3, SP-20)
    • Headphones (CP-16)
    • AC adaptor (AD-E95100L)
    • Wireless MIDI and Audio Adaptor (WU-BT10)
    • Special stand (CS-2X)
    • Benches (CB-7, CB-30BK, CB-30BN)
    • Carrying case (SC-650B)

*Measured values while using eneloop batteries. eneloop is a trademark of Panasonic Corporation. Actual continuous operation time may be shorter due to battery type, performance type, and usage environment.

Manufacturer: Casio
Model: CT-S1RD
SKU: I669489-N-0-WHXX
UPC: 079767315092

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