Yamaha ARIUS YDP-105B - digital piano

RMS rated power: 2 x 6 W Keyboard number of keys: 88 Maximum polyphony (notes): 64 Preset programs quantity: 10 Built-in speaker(s): Yes Product colour: Black Number of speakers: 2 Product type: Digital piano Volume control: Knob Sound effects: Limiter Power source type: Power socket DC input voltage: 12 V Width: 135,7 cm Depth: 42,2 cm Height: 81,5 cm Weight: 37.5 kg USB ports quantity: 1 Headphone outputs 1/4" (6.35 mm) : 2