Casio CTK-4400 61-Key Digital Piano Keyboard

• 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;
  Power Jack
  Output Impedance: 140O
  Output Voltage: 4.5V (RMS) MAX
  Audio In jack: Stereo mini jack
  
  Input Impedance: 9kO
  Input Sensitivity: 200mV
• 
  DC9.5V
• Power Supply
  2-way
  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)

Manufacturer's Description

Casio CTK-4400 61-Key Digital Piano 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.

Features

• 61 Keys
• 48 Note Polyphony
• 180 Rhythms