Tri-sensor 88-note Three sensitivity settings and simulated ivory and ebony keys are features of the Scaled Hammer Action Keyboard Ⅱ. Casio's AiR (Acoustic and Intelligent Resonator) produces high-definition audio. processor for the sound source Modifiable hammer response and touch sensitivity; simulation of damper resonance Polyphony in 192 notes There are 22 onboard sounds, including two grand piano sounds. Effects of onboard DSP: Concert of Reverb, Chorus, and Brilliance Play 60 pre-installed songs, 10 user songs, and 10 classical pieces. Integrated two-track MIDI recorder Ideal for student-teacher duets, duet mode divides the keyboard into two identical pitch ranges. USB port to host Three pedals (soft, damper, and sostenuto) An 8W + 8W amplification system with two 4.72′′ speakers Sliding key cover with a single plate comes with a luxurious matching bench. Power adapter included