Casio CTK-2400 Standard Keyboard – 61 Keys

Features of Casio CTK-2400 Standard Keyboard

Casio CTK-2400 standard keyboard with 61 piano-style keys can turn each piece of music into a true sound experience. You can easily record samples, voices or nearby sounds with built-in microphone and integrate them into the rhythm.

So, make each performance a wonderful sound experience with 400 AHL tones, 150 versatile rhythms and improved sampling function of Casio CTK-2400.

Makes Music More Fun with Sampling And Adding

Sampling Function

  • The built-in microphone of Casio CTK 2400 enables anyone to sample voices or nearby sounds easily.
  • You can enjoy the sampled sounds by playing them on the keyboard as tones, or
  • You can integrate the sampled sounds in built-in rhythms.
    • by sounding them as tonal sounds at selected points in built-in rhythms.
  • Up to 5 recorded voices can be input into preset rhythms to create Voice Percussion.

Adding Effects

  • The keyboard is equipped with 10 types of effects for changing sampled tones, moreover, providing even more ways of enjoying the sampling function.

Powerful Lesson Functions

New lesson functions guide you along the way to music proficiency

Step Up Lesson

To master a song, it is best to break it up into short phrases, master each of the phrases, and then put everything together. Step Up Lesson does exactly that, providing you with the support you need to improve your play.

Performance Evaluation

Your lesson score appears on the display screen.

Voice Fingering Guide

If the keyboard senses you are having problems, it will help you by calling out finger numbers in a simulated human voice.

Additional Features for Lesson Functions

  • Lesson part select (right hand, left hand, both hands)
  • Metronome feature for lesson support
  • 110 Song Bank tunes including 20 Exercise phrases
    • Built-in songs cover a wide range of genres for lesson play and for your listening enjoyment. Includes Exercise phrases!

Improved Basic Functions

Basic functions like sound quality and keyboard feel are enhanced in Casio CTK 2400.

Improved Sound Quality with AHL Sound Source

48-tone maximum polyphony provides plenty of margin to minimize the chance of notes being dropped when tones are layered and when playing with Auto Accompaniment.

With acoustic & highly-compressed large-waveform sound source i.e. AHL Sound Source, all built-in tones, including piano and acoustic instrument tones sound better in Casio CTK-2400

Digital effects

Use effects to add reverb for more depth and breadth in your music.

Piano-style keyboard

An easy-to-play keyboard with an appearance resembling that of an acoustic piano.

400 AHL tones and 150 Rhythms

  • 150 versatile rhythms With 5 Indian rhythms
    • Bhangra, Dadra, Garba, Keharwa, Teen Taal
  • 400 high-quality AHL tones with 9 Indian tones
    • Harmonium 1, Harmonium 2, Sitar 1, Sitar 2, Sitar Pad, Santur, Shanai, GM Sitar, GM Shanai

Improved Keyboard Feel with Piano-style keyboard

  • An easy-to-play keyboard with an appearance resembling that of an acoustic piano.

Digital effects

  • Effects to add reverb for more depth and breadth in your music.

Designed to Help You Sound Your Best

Wide Selection of Tones and Rhythms

With 400 high-quality tones and 150 rhythms, you can play music from around the world.

A wide selection of musical instrument tones supports play of songs from various genres.

150 rhythms and Auto Accompaniments for Latin music and other styles from around the world (150 rhythms including 55 ethnic rhythms and 20 patterns for piano play)

An advanced Auto Accompaniment feature provides you with access to a large collection of ethnic rhythms from around the world, with a special emphasis on Latin rhythms. In addition to Bossa Nova, Samba, and other basic rhythms, you also get Cumbia, Calypso, and more.

LCD Display

A wealth of musical information is displayed on LCD to support your keyboard play.

Versatile expandability

USB port for computer connection

General MIDI (GM Level 1) support allows connection with a computer or another GM-compatible device.

One Touch Preset

With 150 One Touch Preset, you can automatically sets up the keyboard to match the currently selected rhythm.

Specifications of Casio CTK 2400

61 piano-style keys
Maximum Polyphony:
400 built-in tones
Digital Effects:
Reverb (10 types)
150 built-in rhythms
Sound Source:
Auto Accompaniment:
CASIO Chord, Fingered 1, Fingered 2 (6th off), Fingered 3 (on bass), Full Range Chord
Start/Stop, Intro, Normal/Fill-in, Variation/Fill-in, Synchro/Ending
Built-in Songs:
110 (Song Bank)
Lesson Function:
Step Up Lesson
Lesson Part select
Performance evaluation
Voice fingering guide
(Lesson part : right hand, left hand, both hands)
Beats: 0, 2, 3, 4, 5, 6 (Tempo range: quarter note = 30 to 255)
Sampling Function:
LONG SAMPLING: Up to 2 seconds x1
SHORT SAMPLING: Up to 0.4 seconds x5
Sampling sound input: Built-in Mic
Effects for Sampling Tone: 10 types
Other Functions:
One Touch Preset: 150 presets
Rhythm/Song controller
Voice Pads: 5 pads x 4 sets (3 sets of sampled sounds, 1 set of percussion only)
Key Transpose:
25 steps (-12 to +12 semitones)
Tuning Control:
A4 = 415.5 to 465.9 Hz (Initial Default: 440.0 Hz)
Standard jack (sustain, sostenuto, soft, rhythm)
GM Compatibility: Level1
Terminals: USB
10cm x 2
Amp Output:
Input/Output Terminals:
HEADPHONES/OUTPUT (standard stereo jack)
USB: type B *
External power (9.5V DC)
USB cable (A-B type) required to use USB terminal for computer connection.
Power Requirements:
AC adaptor: AD-E95100L
Dimensions (W x D x H):
946 x 307 x 92 mm
3.4kg (Without batteries)
Body Color/Finish:
Included Accessories:
Music stand, song book

Be inspired by the wide range of selections of 400 AHL sounds and discover the improved sampling function. The built-in microphone allows you to record samples, which can be integrated in the rhythm.

Additional features, such as the 150 rhythms or the Step-Up learning system, provide a fascinating discovery of the world of music and transform your performances into exciting sound experiences.

Casio Keyboard / Casio Synthesizer

Piano Tutorial