Casio CTK-2400 61-Key Digital Keyboard

Brand: Casio

Item: #100922
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The CTK-2400 keyboard offers pure playing pleasure with 61 piano-style keys. Discover the instrument's numerous features: whether you want to dive into a colorful world of 150 rhythms, use the sampling function together with the five Voice Pads or connect a CD or MP3 player via the audio input so that you can play along with your favorite songs on the keyboard. The CTK-2400 provides a huge range of features and functions. And the step-up learning system makes it easy to hear the progress made in your playing skills.

Casio CTK-2400 Portable Keyboard features:

  • Five Voice Pads
  • 48-Note Polyphony AHL Sound Source
  • 400 Tones, 150 Rhythms, 10 Digital Reverb Effects & 110 Built-In Songs
  • Step Up Lesson System
  • Can be powered by batteries or with the included AC adapter

Included Accessories:

  • AC adapter
  • Music Rest
  • Music Book

Technical Specs


  • Number of keys: 61
  • Keyboard size: Piano type standard size keys

Sound Source

  • Sound Source: AHL
  • Maximum Polyphony: 48


  • MIDI: GM Level 1 compliant
  • Key Transpose: ±1 octave (-12 to 0 to +12 semitones)
  • Tuning Control: A4=415.5 - 440.0 - 465.9Hz


  • Number of built-in tones: 400
  • Stereo Piano tone: Yes
  • Sampling Function: Yes via audio in (max. recording time: 1sec and max. 3 sampled tones)

Digital Effects

  • Reverb: Yes
  • Number of rhythms: 150
  • Number of One Touch Presets: 150
  • Number of built-in songs: 110 songs including 20 practice songs


  • Step up lesson system: Yes
  • Metronome: 0, 2, 3, 4, 5, 6 beats (Adjustable tempo : 30 to 255)
  • Number of Demonstration Songs: 90 songs (Loop play back except practice songs)
  • Pads: 5 pads x 4 Sets

Display Screen

  • LCD size: 92mm x 40mm
  • Input/Output Terminals

USB port: Yes (to host)
SUSTAIN jack: Yes
DC IN jack: 9.5V


  • Speaker size: 10cm x 2
  • Speaker output: 2W + 2W


  • Power jack: 9.5V (adapter included)
  • Batteries: AA size x 6 (optional/not included)


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Additional Resources

Fixing Problems in a Practice Session

Posted on October 26, 2010

Contest Preparation

Posted on March 07, 2011

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