The CTK-491 is a full-size keyboard with Sing Along, LCD, Song Bank, and MIDI Functions.
Features:
Musical Information System displays selections and status of Tone, Rhythm, Song, Volume, and Tempo
On-screen Keyboard, music staff and finger icons display notes and chords played, and metronome icon indicates the beat
Chord Book Function gives notes and fingerings for 15 different chord types in every key
Casio CHORD and Fingered Chord auto-accompaniment system
Transpose and Tuning Control
Technical Info
Memory: None
Keys: 61 full-size
Polyphony: 12 notes
Sounds: 100 tones
Rhythms: 100 rhythm patterns
Songs: 100 Songs with LH/RH On/Off Control
MIDI: IN/OUT Jack; 5-channel multi-timbral (ch. 1-4, drums ch. 10)
Speakers: 2 built-in speakers
Connectors: 1/4 in. lineout/headphone jack, sustain pedal jack
Power: Operates on AA batteries or optional AD-5 AC adapter