Yamaha Arius DGX-670B - digital piano

Built-in speaker(s): Yes Amplifier output power: 2 x 6 W Number of speakers: 4 Product colour: Black Product type: Digital piano Pitch bend wheel: Yes Power consumption (max): 14.5 W Width: 1397 mm Depth: 445 mm Height: 151 mm Weight: 21.4 kg Metronome: Yes Built-in display: Yes Maximum polyphony (notes): 256 Sound effects: EQ Headphone outputs 1/4" (6.35 mm) : 1 Headphone outputs: 2 AUX in: Yes USB port: Yes Mic input Jack 6.3mm: Yes Pedal Input Jack: Yes Keys quantity: 88 keys