Avault heeft een review van Diamond's portable MP3 player:
Disconnect the Rio from your computer, plug in the included earphones (or your own set, if you prefer) and you're set for music-on-the-go. Controls are available for volume (in discrete steps from 0 to 20), next track, previous track, play/pause, and stop. A random button puts it in shuffle mode, playing the tracks in random order. A repeat button does just that; plays a single track over and over. An A--B button allows a section of music to be repeated over and over. The LCD display has track information, as well as a battery meter and the encode rate of the currently played track. An EQ button toggles between four preset equalization settings (Rock, Normal, Classic, and Jazz) which is also shown on the LCD display. Finally, an Intro button plays the first few seconds from each track in memory.