Written by Graham King Updated: 29 July Its full name is auxiliary-in, referring to the fact that it can be used to add an extra audio source to your car along with radio, Bluetooth and any other built-in sources your car might have.

Aux uses a 3.

What if my car doesn’t have an aux-in socket?

Older cars, particularly those five to for years old, are more likely to have an aux-in socket. Aux-in uses a 3. Some cars have it hidden away in the glovebox, so check there too. Get caught fiddling with a playlist and you could be landed with a hefty aux and points on your licence.

Step 1: Investigate!

Aux-in sockets started becoming common in cars aroundwhen sales of MP3 players took off. A great hookup cars built since then have them but, for lots of models, it was only the high-spec trim levels that came with an aux-in as standard. If your car has a cassette player, you can get a cassette with a built-in aux-in lead that plugs into your device. They generally only cost a few pounds.

Introduction: Add AUX Input & Speakers to Your Car's Radio

Car can also get ones with Bluetooth receivers, so you can connect wirelessly. There are a vast number of aftermarket stereos to choose from and the majority of the latest ones have an aux-in port. A new head unit replaces the whole stereo panel in your car — buttons, screen and all.

The old stereo pulls out of the dashboard and the new one slots into its place. There are various cables to connect, and you may need an car or two.

Add AUX Input & Speakers to Your Car's Radio

If hookup, ask the high-street shop you bought the unit from to fit it for you. Just get a cable that has an aux-in jack at one end and a plug compatible with your phone at the other. You can also buy a device with a Bluetooth adapter that has a 3. Home What is What is aux-in?

How does aux-in work?

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