PSR-E283 gives you everything you need to get started playing the keyboard. It has 410 high quality instrument voices, 122 songs to learn with downloadable songbook for the sheet music, 150 auto-accompaniment backing styles, 32 note polyphony and the option to power the keyboard with batteries. The simple panel layout helps you intuitively discover the features of the keyboard, including progressing through the integrated quiz and lesson modes to supercharge your learning. There is an aux input on the back for running external sound sources through the speakers of the PSR-E283 and a 2 channel recording feature.