"Any portable music player can have a lot of bells and whistles, but it's the audio quality that is top priority for many people. Both Jukeboxes offer a built-in equalizer for adjusting bass and treble controls, rather than resorting to presets which often don't work too well at all. The Recorder's EQ actually is more advanced, offering three separate controls for bass (Bass, Loudness, and Bass Boost) alone. "