Sistema Yamaha education suite que indica en pantalla las teclas para apretar, muy facil para aprender - excelente sonido (yamaha) * posee: * metronomo * 100 sonidos * 100 canciones * 100 ritmos * salida midi *5 octavas se entrega con: atril, transformador caracteristicas generales. 61 standard-size keys display large multi-function lcd Yamaha education suite (yes) chord guide functions: smart chord, chord dictionary, melody guide functions: waiting mode, minus one mode songs 100 songs. Start, stop, pause, a/b repeat, fast forward, rewind, voice change one touch settings 100 (1 per style) voices 100 voices including dual voices, harmony/echo voices, split voices, polophony: 16 notes max. Auto accompaniment styles:100, variations: intro, main a/b, ending, fill-in x 4, control: accompaniment on/off, sync-start, start/stop, intro/ending, main a/b (autofill), ots overall controls tempo, multi pad, transpose, tuning, accompaniment volume, song volume, metronome volume multi pads 2 pads x 20 banks midi in/ out terminals phones/aux out, dc in, footswitch ampl ification 2w 2w speakers 12 cm x 2 rated voltage dc 10- 12v dimensions 931 x 351 x 110 mm (36 2/3" x 13 3/4" x 4 1/3" ) weight 4.7 kg (10 lbs., 6 oz. ).