The MT-46 is a variation of the Casio MT-45 with a different color palette.
Keyboard: 49 keys
Polyphony: 8 notes
ROM: 8 sounds, 8 rhythms
Effects: vibrato, sustain
Power Consumption: 1.8 watts
Dimensions: 633 mm x 188 mm x 70 mm
Weight: 2.5 kg
This keyboard has built-in 1-watt mono speaker(s).