Casio CTK4400

Casio CTK4400

Casio CTK4400

Casio CTK4400 keyboard is in great working order. This keyboard does show slight signs of wear, such as residue from stickers previously on the body, and slight discolouration from prior use. Includes a power supply and an X stand.

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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.

Key Features

600 high quality tones
180 rhythms including 87 ethinic rhythms & 20 patterns for piano play
10 User rhythms created by editing built-in rhythms
152 Song bank tunes
Music Preset for instantly selecting the right keyboard setup
Recorder and metronome features for lesson support
Auto Harmonize adds appropriate harmony notes to your melody automatically
Touch Response lets you add delicate nuances to notes by varying how much pressure you apply.
- Virtual Hall Simulates the acoustic effect of a concert hall
Chord Book allows you to look up chords you do not know how to play. You can hear what a chord sounds like and a simple operation even shows you inverted forms of the chord, making the Chord Book a valuable reference.
- Connecting a music player to the AUDIO IN jack causes the audio from the player to be output through the keyboard's speakers. Of course, you can play along with the audio, which means you can enjoy jamming with your favorite artists.
- One Touch Preset automatically sets up the keyboard to match the currently selected rhythm
- USB Port for computer connection, general MIDI
- You can sample a sound from a portable audio player or other device, and then play the sound on the keyboard. You also can use sampled sounds to compose music.

Lesson Functions:

Step Up Lesson
Provides the support needed to improve your play: break up songs into short phrases, master each of the phrases, and then put everything together.

Lesson part select
 (right hand, left hand, both hands)

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.


Keyboard: 61 standard size keys
Maximum Polyphony: 48 notes
Built-in Tones: 600
Effects: Hall effect button
Reverb: 1 to 10
Chorus: 1 to 5
Metronome: BPM: 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
Auto Accompaniment: Built-in Rhythms: 180, User Rhythms: Up to 10 (Accompaniment Edit)*
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
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: DC9.5V
Power Supply: 2-way, Battery: 6 AA-size zinc-carbon batteries or alkaline batteries (not included), 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 
Power Consumption: 9.5V = 7.7W
Dimensions (mm): 948(L) × 350(D) × 103(H)
Weight: 4.3kg