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With the CTK-4400, enjoy musical fun with a compact keyboard, making every performance a unique experience.
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With the CTK-4400, enjoy musical fun with a compact keyboard, making every performance a unique experience. The built-in Hall effect button allows you to do this in an impressive way: At the touch of a button, concert hall reverb can be applied to the sound of the keyboard, adding authenticity when you play. The keyboard also has 61 dynamic touch keys, 180 lively rhythms and 152 songs, as well as 32 registration memories allowing you to store settings such as tempo, tones or rhythms easily.

  • 61 Keys
  • 48 Note Polyphony
  • 180 Rhythms

Technical Specs

  • Keyboard
    61 standard size keys
    Touch Response: 2 types, Off
  • Maximum Polyphony
    48 notes (24 for certain tones)
  • Tones
    Built-in Tones: 600
    Up to 8 (Melody Sampling: 5, Drum Sampling: 3)*, Up to 10 seconds
    Functions: Layer, Split, Piano/Organ button
  • Effects
    Hall effect button
  • Reverb 
    1 to 10, Off
  • Chorus 
    1 to 5, Off
  • Metronome
    Beats per Measure: 0, 2 to 6
    Tempo Range: 30 to 255
  • Song Bank
    Built-in Songs: 152
    User Songs: Up to 10*
  • Step Up Lesson
    Lessons: 4 (Listen, Watch, Remember, Auto)
    Lesson Part: L, R, LR
    Functions: Repeat, Voice Fingering Guide, Note Guide, Performance Evaluation
  • Music Challenge 
    20 notes
  • Auto Accompaniment
    Built-in Rhythms: 180
    User Rhythms: Up to 10 (Accompaniment Edit)*
  • Chord Book Function
    Chord guide
  • Registration 
    32 (4 setups × 8 banks)
  • Recorder 
    Real-time recording, playback
    Keyboard Play: 5 songs, 6 tracks
    Playing Along with a Built-in Songs: 1 song (L, R, LR)
    Memory Capacity: Approximately 12,000 notes (total for 6 songs)
  • Other Functions
    Transpose: ±1 octaves (–12 to +12 semitones)
    Octave Shift: Upper/Lower ±2 octaves
    Tuning: A4 = 415.5 to 465.9 Hz (Initial Default: 440.0 Hz)
    Preset Scales: 17
    Music Preset: 305
    One Touch Preset: 180
    Auto Harmonize: 12 types
    Arpeggiator: 90 types
  • MIDI
    16 multi-timbre received, GM Level 1 standard
  • Musical Information Function
    Tone, Rhythm, Song Bank numbers and names, staff notation, fingering, pedal operation, tempo, measure and beat number, chord name, etc.
  • Inputs/Outputs
    USB-Port: TYPE B
    Sustain/Assignable jack: Standard jack (sustain, sostenuto, soft, rhythm)
    Phones/Output jack: Stereo standard jack;
      Output Impedance: 140O
      Output Voltage: 4.5V (RMS) MAX
    Audio In jack: Stereo mini jack
      Input Impedance: 9kO
      Input Sensitivity: 200mV
  • Power Jack
  • Power Supply
    Batterie: 6 AA-size zinc-carbon batteries or alkaline batteries
    Battery Life: Approximately 3 hours continuous operation on alkaline batteries
    AC Adaptor: AD-E95100L
    Auto Power Off: Approximately 6 minutes (during battery operation) or 30 minutes (during AC adaptor operation) without any operation, Auto Power Off can be disabled.
  • Speakers
    12cm × 2 (Output: 2.5W + 2.5W)
  • Power Consumption 
    9.5V = 7.7W
  • Dimensions 
    94.8 × 35.0 × 10.3 cm (37 5/16 × 13 3/4 × 4 1/16 inch)
  • Weight 
    Approximately 4.3kg (9.5 lbs) (without batteries)

Product Details

Product Details

Platform Hybrid (Mac and PC)
Manufacturer Casio


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