The MT-540 has the same sound engine as the Casio CT-460, but with fewer instrument sounds and smaller keys.
Year Released: 1988
Keyboard: 49 mini keys
Polyphony: 10 notes
ROM: 20 sounds, 20 rhythms, 8 sound effects, 49 rhythm sounds
Power Consumption: 6 watts
Dimensions: 664 mm x 234 mm x 83 mm
Weight: 3.1 kg
This keyboard has built-in stereo speaker(s).
Batteries: D x 6