FARFISA F 406 Midi Size Keys Details 40 midi keys * 29 KHz sampling rate * 12 + 4 Polyphony * 100 polyphonic sounds * 24 rhythms with Arranger and Single Finger chord function * 6 accompaniment sounds * Effects: Sustain, Diffusion, Reverb * Controls: Master Vol, Accomp Vol, Start / Stop, Down Beat, Tempo +/- * 4 Demo Songs * Metronome * Headphone Socket