Yamaha PSS-A50

Size/Weight
Dimensions     Width     506 mm (19-15/16″)
Height     54 mm (2-1/8″)
Depth     201 mm (7-15/16″)
Peso     Peso     1.2 kg (2 lb, 10 oz) (not including batteries)
Control Interface
Keyboard     Number of Keys     37
Tipo     HQ mini (High-Quality mini)
Touch Response     Soft, Medium, Hard, Fixed
Voices
Polyphony     Number of Polyphony (Max.)     32
Preset     Number of Voices     40 Voices + 2 Drum Kits
Effects
Functions     Panel Sustain     Yes
Arpeggio     138 types
Types     Miscellaneous     Motion Effect (34 types)
Functions
Recording     MIDI data, Number of Phrases: 1 (Approx. 700 notes; fewer when recording using effects such as Motion Effect)
Overall Controls     Metronome     Yes
Tempo Range     11 – 280, Tap Tempo (32–280)
Octave Button     -04 to +04
Transpose     -12 to 0, 0 to +12
Tuning     427.0 – 440.0 – 453.0 Hz (Approx.0.2Hz Increments)
Connectivity
Headphones     Stereo mini jack (PHONES/OUTPUT)
USB TO HOST     Yes (MIDI, USB micro B)
Amplifiers and Speakers
Amplifiers     1.4 W
Diffusori     8 cm x 1
Alimentazione
Consumo     1.5 W
Auto Power Off Function     Yes
Alimentazione     Adaptors     USB power adaptor 5 V/500 mA (Sold separately)
Batteries     Four “AA” size alkaline (LR6), manganese (R6) or Ni-MH rechargeable (HR6) batteries
Accessories
Included Accessories     Owner’s Manual, USB cable, Online Member Product Registration