Jon Johnson Report post Posted June 6, 2016 The SP Series Stage Pianos are the performance keyboards you've been waiting for. Well-constructed and affordable, these stage pianos have everything you need. The SP Series comes in lightweight 76 and 88 key semi-weighted action models, plus an 88 note fully weighted action model. The Stage Pianos have the award-winning Kurzweil sounds and transmit on two, user-selectable, independent MIDI channels. Put your music on stage with the SP line of performance pianos from Kurzweil, the industry leader in sound technology. View full synthesizer Share this post Link to post Share on other sites