Which brings us to the new PSR-E373 and PSR-EW310, which promise to “raise the bar in portable keyboard technology and performance”. Both come with touch-sensitive keyboards and a new LSI tone ...

[Portasynthica3] takes on the Yamaha PSR-E433, a cheap beginner keyboard, discovers a shell baked into it, and takes it from there.

Yamaha has ditched the PSR-S range, but fans of the popular digital workstation keyboard need not fear as the Japanese giant is replacing it with the PSR-SX.