Radio Data System that sends information about traffic, artists and music from the radio station you are listening to directly to the display on your HiFi system.
CD players exist with a range of options for a better sound performance and ease of use. A CD-player plays discs that contains up to 80 minutes of playtime. CD-players have an excellent quality of sound due to the digital handle with laser pickup that transforms all the information on the disc to an analogue signal. It gives a far cleaner sound than cassette or vinyl.
Indicates if the system is equipped with a surround sound function. There are several different surround systems like Dolby Pro Logic, Virtual Dolby, and Q Surround amongst others.