Car Head Units

Head units found in your vehicles dash board combines an AM/FM radio tuner, often integrated with a CD or a DVD player.  Most of these head units come with low power ranging from four to fifteen watts per channel.  The radio is the most important part of the head unit, offering features that allow you to keep your mind and eyes glued  to the road, and most of the units feature electronically tuned radio (ETRs) that do not loose the station.  Head unit radio feature as many as 18 present positions that enable you to tune in your favourite station at the touch of a button.  Most radios head units feature: seek tuning—which automatically tunes the frequency band of the station, scan tuning—which stops at each tuned station for a few seconds before moving on to the next station, format tuning—enables you to select a style of music, like country/western or jazz.

Car stereo

Car stereo

Some of the head unit features to look for are:

  • •Individual bass and treble controls
  • •Light-touch volume bass and treble control, and so on.
  • •Liquid crystal display (LCD) that appears the station you are listening to and its frequency, the time of the day and other information.
  • •Line-out jacks for expansion attaching components like equalizer and extra power amplifiers.

In-dash head units come in the same five standard variations from different suppliers.  Deutsche Indutrie Normen (DIN), Deutsche Industrie Normen-European (DIN-E), where DIN the most accepted in the US.  A feature called radio data system (RDS) often called as smart radio, that allows radio station to send text messages to appear on the display or automatically you wake-up and inform you know of what is going on.

  • >  Navigation Systems

Navigation system or automatic navigation systems is a satellite navigation system used in vehicles and takes advantage of a Global Positioning System (GPS) so that you can locate where you are on the road in the unit map data base.  The map data base may be downloading the vendors website.  Navigations systems are very useful locating cars in cases that it is lost or stolen.

  • >  Headrest Monitors

Headrest monitors are car video systems that allow you to replace you factory headrest and replace them with the headrest that have the monitors already installed in them.  It is also the most complicated to install.  The installer actually cuts the the back of the seat and install the monitor in place.  This give you a clean way to add your video. Some headrest monitor system comes with DVD player built in to one or even both monitors, so you could have two movies playing at once.  These systems are made for specific vehicles and in a choice of colours.  Available mostly in black, gray and tan.


Leave a Comment