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The First Choice for Beginners, Kids & Young Keyboard Players!
It won’t fit in a school cone, but for all beginners, the CTK-240 is the perfect starter instrument. With its 49 standard keys (four octaves), the CTK-240 is perfectly equipped to combine fun playing and serious learning.
100 tones, 100 rhythms, and 50 songs add up to insightful musical lessons. Here’s where the music happens! The CTK model also scores high on design: slim, narrow, and black, it’s a beautiful piece of technology.
Practice System Melody Cut
Melody Cut effectively trains the right hand. 50 practice songs are available for learning.
100 Rhythms
From waltz to salsa, the 100 rhythms offer a colorful cross-section of the music world.
50 Practice Songs
There’s something for every taste: with 50 practice songs, you learn a variety of styles.
100 Tones
The extensive repertoire of 100 tones is available to you in excellent quality.
LC Display
Stay on top of things: the convenient LC display shows important information at a glance.
Fun guaranteed with the Casio CTK-240!
Features
- 49 Standard-Size Keys, 4 Octaves
- Tones: 100
- Polyphony: Max. 12 notes (6 notes for certain tones)
Automatic Accompaniment
- Rhythm Patterns: 100
- Tempo: Variable (236 steps, 20 to 255)
- Chords: 2 Playing Methods (CASIO CHORD, FINGERED)
- Rhythm Controller: START/STOP, SYNCHRO/FILL-IN
- Accompaniment Volume: 0 to 9 (10 steps)
Song Bank
- Music Pieces: 50
- Controller: PLAY/PAUSE, STOP, MELODY ON/OFF
Display
- Labels Displayed: TONE, RHYTHM, SONG BANK Name/Number, Keyboard Setting Name/Value
- Tempo: Tempo Value, Metronome, Sync Readiness, Beat Indicator
- Chord: Chord Name
- Song Bank Status: PLAY, PAUSE, MELODY ON/OFF
Other Functions
- Transpose: 12 Steps (-6 to +5 semitones)
- Tuning: Variable (A4 approx. 440 Hz, ±50 cents)
- Volume: 0 to 9 (10 steps)
Connections
- Headphone/Output Jack: Stereo Phone Jack (Output is mono)
- Output Impedance: 78 Ω
- Output Voltage: Max. 1.9 V (rated)
- Power Supply Jack: 9.5 V DC
Power Supply
- Two Power Supply Systems
- Batteries: 6 Zinc-Carbon or Alkaline Batteries Size AA
- Battery Life: Approx. 6 Hours Continuous Use with Zinc-Carbon Batteries
- Adapter: AD-E95100L (Power adapter not included)
- Auto Power Off: Automatically turns off about 6 minutes after last operation
Technical Data
- Speaker Output Power: 10 cm × 2 (1.6 W + 1.6 W)
- Power Consumption: 9.5 V – 5.0 W
- Dimensions: 91.4 × 23.7 × 7.5 cm
- Weight: approx. 2.8 kg (including batteries)
Scope of delivery
- 1 x Casio CTK-240 Keyboard
Suitable accessories (Not included in the delivery.)
Specification
- Product number 00025076
- also for children Yes
- Accessories included No
- Inputs -
- Illuminated keys No
- USB to host (Midi) No
- Number of Keys 49
- velocity response No
- MIDI-Interface No
- Colour Black
- Outputs 1/8 Zoll jack (stereo)
- Microphone input No
Reviews
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A verification of the ratings has taken place as follows: Only customers who are registered in our online store and have actually purchased the product from us can submit a rating for the item in the customer account.
This rating has been translated automatically. Original language
This rating has been translated automatically. Original language
Why not another?
So I had to drive 5 km, because there is no service station on site of your parcel delivery, although many people are at home here...
With kind regards
Manfred Fischer
This rating has been translated automatically. Original language
This rating has been translated automatically. Original language
I recommend this purchase
Questions about product
Question by Sonja Ehmendörfer on 05.08.2020
How heavy is the keyboard? Can it run on battery instead of batteries?
Answer by Musikhaus Kirstein:
The keyboard weighs approx. 2.8 kg. The device can only be operated with batteries or the matching power supply.
| 3 Year warranty | |
| 30 Day Money Back | |
| Price Match Guarantee | |
| Over 2.000.000 satisfied customers |
The hotline is currently not manned. You can reach us again on Saturday, 18.04.2026 at 09:30.
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