Alesis Prestige, Digital Piano, 88 Full-size keys with graded hammer action and customisable touch response, 16 Integrated voices with split and layer function, Max. polyphony: 128 notes, 50 W (2 x 25 W) Microarray speaker system, 5 Adjustable reverb effects, Learning and recording mode available, 10 Piano demo songs, An integrated metronome, adjustable from 30 - 280 BPM, 2 Line outputs: 6.3 mm jack, 2 Headphone outputs with speaker mute function: 6.3 mm and 3.5 mm jack, Sustain pedal input: 6.3 mm jack, 3-Pedal connection: 5-pin DIN, USB type-B port, Power supply connector, USB MIDI output for use with software or virtual instruments, Power supply via an enclosed mains adapter (12 V DC / 3 A), Dimensions (W x D x H): 132.2 x 29.7 x 14.9 cm, Weight: 12.8 kg, Incl. a music stand, a software download card, a sustain pedal, a power supply and a user manual