The EZ-310, PSR EW-320 and PSR E383 represent the next generation of high-quality, Yamaha-made keyboards for beginners. While all three keyboards are fairly similar in terms of features and specifications, the Yamaha EZ-310 is the most beginner-friendly thanks to the built-in Light Guide function that shows you which keys you need to play. Features of the Yamaha EZ-310 This all-round keyboard has been packed out with over 600 sounds, a large number of effects, and 260 styles, putting it in a completely different weight class compared to the beginner keyboards that you might bump into at the supermarket. Not only is the sound quality much higher, this keyboard can also be used as a USB audio interface, meaning it can be connected to a computer for recording. The Yamaha EZ-310 can be mains-powered or run on batteries and comes complete with a music rest.