Yamaha PSR-E273 Keyboard - 61x keys, 384 sounds + 17 drum/SFX kits, 143 preset styles, 112 internal songs, 32-note polyphony, Effects: Reverb, Chorus, Ultra-Wide Stereo, Master EQ; One Touch Setting, Metronome, Transpose, duo function, connection: AUX In (Stereo-mini), headphone, Sustain Pedal, speaker system: 2x 2,5 Watt, dimensions (W x D x H) in mm: 940 x 317 x 104, weight: 4 kg, PA-130 power supply and music rest included, usable with batteries, colour: black, follow up model of PSR E-263