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If you are out to buy a double din stereo, double din radio or double din head unit here are something you should know. This is perhaps one of the most important decisions you will be taking in upgrading the car. This will ensure the functionality of the system is improved. The purpose of the head unit provides a good interface for the audio system.

 

These also improve the power which the speakers get and how equalization can be controlled. It also regulates the inputs which are available to the car.

 

When you have a double din stereo, double din radio or a double din head unit you should be sure that you can use it with the phone and use features such as hands free communication and you can also double up this system to provide GPS navigation as well.

There are various double din head units which are available and these allow to be connected to Bluetooth. They have 4 channels of 50 watts for the peak and the RMS has 4 channels of 22 watts.

These allow and they promote safe driving infact and these allow you have conversations when you are driving rather than having to hold the phone. There are calls which can be picked up automatically without you having to touch a button as well. You can even use it to screen your incoming calls. If you want to make outgoing calls, you can even dial out using the phonebook scrolling which is possible on the displace interface or else you can use voice dialing.

If there are those double din stereo, double din radio and double din head unit which has USB enabled features, you can connect this to the USB drive for audio playbacks and use it with the iPod and the iPhone.

These devices have a user interface that is easy to use as well as it allows for browsing on the iPod and you can search using composers, genres, songs, albums or even artists and not only playlists.

There are other functions for searching which is possible too. These are like reverse browsing, skip searching and alphabet search and these help you to listen to what you want easily and quickly as well. There is additional versatility offered and there are integrated controls too. The passengers can even control the ipod manually. The USB port helps to connect to thumb drives and external hard drives too.