Interface & PortsAC Adaptor PA-130 or an equivalent recommended by Yamaha, or six "AA" size alkaline (LR6), manganese (R6) or Ni-MH rechargeable batteries
Other FeaturesNumber of Buttons-9, Yamaha Education Suite (Y.E.S.)-YES, Tempo Range-11 – 280, Tap Tempo, Tuning-427.0 – 440.0 – 453.0 Hz (approx. 0.2 Hz increments),
PowerIn comparison to the previous model (PSR-A300) the sampling of the Voices used in the PSR-A350 has been greatly improved. In addition, we have fine-tuned the built-in speaker system to achieve even better performance. As a result, the sound of the PSR-A350 has been significantly improved and is now even more powerful and realistic