Casio CTK-691

Casio's portables utilize the high performance Zpi sound source to deliver the most realistic piano, organ, and synth sounds, plus a huge library of built-in tones, rhythms, and DSP settings. These powerful instruments feature an on-board sequencer and a mixer, for unmatched creative possibilities, plus powerful built-in speakers to take your performance to the next level. These keyboards are ideal for home/project studio use, open-mic performance, education/classroom applications, or simply for pure musical enjoyment.

    61 full-size keys
    Touch sensitive (with On/Off)
    32-note polyphonic
    Stereo Piano

Sounds/Effects

    790 Tones: 566 preset tones (300 Advanced tones, 128 General MIDI, 72 Various, 16 Drum sets, 50 Drawbar Organs) plus 224 User programmable tones (100 User tone, 20 User tone +wave, 4 Drum set + wave, 100User Drawbar)
    Piano Setting Switch to get instant access of Stereo Piano Sound
    Drawbar Organ lets you control simulated organ sounds easily.
    Synthesizer function lets you create and store your own sounds.
    232 Digital Effects: 100DSP, 100 User effects, 16 Reverb, 16 Chorus
    Digital Equalizer
    Spilt & Layer function
    Advanced Tone: panel sounds with much playability featuring bigger wave memory, velocity split and strong DSP units.

Rhythms

    140 Preset Rhythm including 20 piano patterns and 16 User Rhythms
    156 One-Touch Presets
    CASIO CHORD/ Fingered Chord/Full-Range Chord auto-accompaniment systems
    Auto-Harmonize

Other Features

    Musical Information System (Backlit LCD) displays selections and status of Tone, Rhythm, Mixer and keyboard functions, and Tempo
    On-screen keyboard and music staff icons display notes and chords played, and metronome icon indicates the beat
    Mixer function allows control over each MIDI channel and accompaniment part
    6 tracks/5 songs Song Memory, Real Time or Editable Step recording
    Assignable Pedal Jack (Sustain, Soft, Sostenuto, Rhythm Start/Stop
    MIDI IN/OUT jacks; 16 channel Multi-Timbral (GM Level 1 compatible)
    Transpose and Tuning Control
    2 Built-in Speakers; 1/4" lineout/headphone jack; 3.0W+3.0W Bass Reflex Speaker System
    Operates on D batteries or optional AD-5 AC Adapter
    Internet Data Expansion System lets you download new sounds including sound wave, patterns, songs, and keyboard settings over MIDI from casiosongs.com
    Flash ROM to expand sounds, rhythms, and to download songs from the internet.
    SMF Player to play the songs downloaded through the internet.