These models integrate Yamaha's Compressed Music Enhancer that improves the audio quality of compressed music files and IntelliAlarm, which gently wakes up users gradually with their favorite music.
Yamaha PSR3000Yamaha's latest "home keyboard" models (if you were going to diss on them you'd definitely be calling them organs rather than synthesizers) come with the ability to hook up to a DSL modem and download new songs to pick out on said keyboard, karaoke tunes with lyrics to sing along to, or just muzak.