Yamaha's GHS (Graded Hammer Standard) weighted action has heavier touch in the low end and lighter touch in the high end, just like the hammers inside an acoustic piano.
AWM (Advanced Wave Memory) sampling uses digital technology to record the sound of an acoustic piano.
Various P-45 settings can be changed with a single button. Hold down the "GRAND PIANO/FUNCTION" button and press the keyboard to change Voices,
N.B does not include stand , Stand can be purchased separately here : Heavy duty height adjustable keyboard stand
Yamaha p-45 digital keyboard - keyboard 88 keys, graded/scaled-hammer action touch response - 3 levels of sensitivity, plus fixed sounds and songs number of sound presets - 10 number of song presets - 10 x demo, 10 x factory effects - reverb maximum polyphony - 64 notes performance functions - duet mode, split/layer, transpose, tuning adjustment auto-accompaniment practice features metronome, auto power off connectivity i/o 1 x 1/4" trs headphone output, 1 x 5-pin midi input, 1 x 5-pin midi output pedal support - 1 x 1/4" sustain data port 1 x usb type-b amplification and speakers amplifiers 2 x 6 w round speakers 2 x 4.7" / 11.9 cm power ac/dc power adapter pa-150 / pa-150a (included) power consumption 10 w physical dimensions 52.2 x 6.1 x 11.6" / 1326.0 x 154.0 x 295.0 mm weight 25.6 lb / 11.5 kg packaging info package weight 36 lb box dimensions (lxwxh) 58.5 x 16.5 x 11.5" brand new, unopened