The CTK-240 is the ideal starter instrument for all beginners. The CTK-240 comes with 49 standard keys (four octaves) and is perfect for combining fun with serious learning. 100 tones, 100 rhythms and 50 songs all lend themselves to instructive music lessons. Where the music is! Even the design of the CTK model is extremely impressive – in its slim, slender and black casing - it is a beautifully portable piece of technology.

  • Headphone Port
  • Stereo Speakers
  • LCD Screen
  • Keyboard 
    49 standard-size keys, 4 octaves
  • Tones 
    100
  • Polyphony 
    12 notes maximum (6 for certain tones)
  • Auto Accompaniment 
    Rhythm Patterns: 100
    Tempo: Variable (236 steps, 20 to 255)
    Chords: 2 fingering methods (CASIO CHORD, FINGERED)
    Rhythm Controller: START/STOP, SYNCHRO/FILL-IN
    Accomp Volume: 0 to 9 (10 steps)
  • Song Bank 
    Tunes: 50
    Controllers: PLAY/PAUSE, STOP, MELODY ON/OFF
  • Display
    Name display: TONE, RHYTHM, SONG BANK name/number, keyboard setting names/values
    Tempo: Tempo value, metronome, synchro standby, beat indicator
    Chord: Chord name
    Song Bank Status: PLAY, PAUSE, MELODY ON/OFF
  • Other Functions 
    Transpose: 12 steps (6 semitones to +5 semitones)
    Tuning: Variable (A4 = approximately 440Hz ±50 cents)
    Volume: 0 to 9 (10 steps)
  • Terminals 
    Phones/Output Terminal: Stereo standard jack (Output is monaural.)
    Output Impedance: 78 Ω
    Output Voltage: 1.9V (RMS) MAX
    Power Supply Terminal: 9.5V DC
  • Power Supply 
    Dual power supply system
    Batteries: 6 AA-size zinc-carbon batteries or alkaline batteries
    Battery Life: Approximately 6 hours continuous operation on zinc-carbon batteries
    AC Adaptor: AD-E95100L
    Auto Power Off: Turns power off approximately 6 minutes after last operation.
  • Speaker Output
    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 (36 × 9 5/16 × 2 15/16 inch)
  • Weight
    Approximately 2.8 kg (6.2 lbs) (without batteries)

Specifications are subject to change w/o notice.

Downloads for the CTK-240: