Interface & PortsAdaptor (PA-150A), or batteries (Six "AA" size alkaline (LR&), manganes (R6) or Ni-MH rechargable batteries)
Other Features4 ( x 8 banks ), Yamaha Education Suite (Y.E.S.6)/ Listening, Timing, Waiting, Tuning:427.0 - 440.0 - 453.0 Hz, PIANO Button :Portable Grand Button, Sleep Mode- YES
PowerThe Yamaha PSR-I455 PortaTone has been specially optimized for recreating the unique sound of Indian instruments in your keyboard performances and sequences.