• Casio CTK-4400 Portable Keyboard - Quest Music Store
  • Casio CTK-4400 Portable Keyboard - Quest Music Store

Casio CTK-4400 Portable Keyboard


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

61 standard size keys
Touch Response: 2 types, Off
Maximum Polyphony
48 notes (24 for certain tones)
Built-in Tones: 600
Up to 8 (Melody Sampling: 5, Drum Sampling: 3)*, Up to 10 seconds
Functions: Layer, Split, Piano/Organ button
Hall effect button
1 to 10, Off
1 to 5, Off
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
32 (4 setups × 8 banks)
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
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.
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.
12cm × 2 (Output: 2.5W + 2.5W)
Power Consumption
9.5V = 7.7W
94.8 × 35.0 × 10.3 cm (37 5/16 × 13 3/4 × 4 1/16 inch)
Approximately 4.3kg (9.5 lbs) (without batteries)

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