Yamaha PSR-E273, Keyboard, 61 Standard 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 mode, Lesson function, Quiz mode, Record, AUX input: stereo mini jack, Headphone jack, Sustain pedal connection, Speakers: 2 x 2.5 watts, Battery operation possible, Successor to the PSR-E-263, Dimensions (W x D x H): 940 x 317 x 104 mm, Weight: 4 kg, Colour: Black, Includes Yamaha PA 130 power supply and music stand