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Double DIN vs. Single DIN Car Head Units

Double DIN vs. Single DIN Car Head Units

By: AIC-Team | Last Updated: October 17, 2020 | This post contains affiliate links.

As a car owner, at one time, you will have the option of upgrading your car stereo system. However, most users don’t understand the type your head units installed in their vehicles. Car stereo/head units come in two standard forms, ie, single din and double din head units.

Before choosing between these two types of car stereo units, it is important to learn what they are, which is the best for your car. In this article, I have summarised these two to help you make an informed decision now and in the future.

  • What is DIN?
  • Single DIN Head Units
  • Double DIN Head Units
  • Single DIN vs. Double DIN – Differences
  • FAQs

Post Contents

  • What is DIN?
  • Single DIN Head Units
  • Double DIN Head Units
  • Single DIN vs. Double-DIN – The Differences
    • Size
    • Features
    • Controls & Usability
    • Cost
  • FAQs
  • In Conclusion

What is DIN?

Deutsches Institut für Normung short for DIN refers to the internationally accepted standards that specify the height and width of a car’s stereo head unit but not the length. There are two standard DIN configurations, namely single and double-DIN. The single DIN is also known as the 1DIN and is smaller in size compared to a double DIN, also called a 2 DIN stereo unit.

Automakers and car manufacturers around the world use the DIN standards to come up with new devices. This is why most car head units are integrable as far as the size is concerned. Apart from the standard head unit slots, there are also OEM non-standard designs. These designs dissuade car owners from upgrading to aftermarket units. However, with the help of adapter kits, one can upgrade to aftermarket systems. One such opening includes the 1.5 DIN slot, which is mostly found in Chrysler and GM vehicles.

Single DIN Head Units

A single-DIN head unit refers to the smallest type of head unit. The standard measurement of a single DIN head unit slot is 180mm in width by 50mm in height. The easiest and fastest way to know if your car features a single din head unit is to measure it. If the dimensions fall in what we have outlined above, then you are looking at a single DIN. Otherwise, it could be a double din head unit or the lesser-known 1.5 DIN.

Single DIN Head Unit
Single DIN Head Units

Single DIN units come with a small screen, which in most cases will display the radio channel and frequency or the music you are listening to. Though they are small, some single DIN head units will also include USB, AUX, and several other inputs. Most also support Bluetooth pairing with your phone.

Double DIN Head Units

The double-DIN is another popular DIN standard. The double-DIN slots are twice as bigger as the single DIN head unit slots — the size of a double-DIN slot measure 180mm in width by 100mm in height. Unlike single DIN stereo units, double DIN units are characterized by a bigger screen, which improves the car infotainment system.

Double DIN Head Unit
Double DIN Head Unit

Unlike a single DIN which because of the size is limited in features and functionality, the double-DIN has seen technological advanced over the years. They have grown to support GPS mapping, HD video interface, and even gaming console compatibility when installed on the back of the front seats.

Single DIN vs. Double-DIN – The Differences

There are several features that you can use to differentiate between single and double-DIN units. Let’s take a quick at the differences.

  • Size
  • Features
  • Controls & Usability
  • Cost

Size

Size is one of the distinct physical differences when comparing these two types of head units. Single DIN units are small, while double DIN head units are double the single DIN. Both sizes have their advantages and disadvantages. For single DIN units, the smaller size allows you to have more storage space because of the compact system. With the 2-DIN, the storage space is minimized, but you get a bigger screen that offers its advantages, as we’ll see below.

Features

A double-DIN head unit, because of the size, comes with more features than its single DIN counterpart. A bigger screen allows more features to be included. Features such as Android Auto or Apple CarPlay are only compatible with double DIN head units. These two enable a user to customize the head unit better and add support for features like voice control, Google Maps and calling and messaging, and much more. Read about Android Auto vs. Apple CarPlay.

However, all is not lost if your car only supports a single DIN head unit. There are single-DIN head units with flip out screens that will allow you to have access to both Android Auto or Apple CarPlay. However, these will end up sometimes costing twice as much the amount you would pay for a single DIN head unit. The Pioneer AVH-3300NEX 7″ Flip Out DVD Receiver is a good head unit that supports both CarPlay and Android Auto. For a budget option, check out the Power Acoustik PTID-8920B.

Pioneer AVH-3300NEX 7″ Flip Out DVD Receiver
Pioneer AVH-3300NEX 7″ Flip Out DVD Receiver

Controls & Usability

With controls, we look at touchscreen, manual, and voice controls. Both Double DIN and single DIN head units support manual and voice control functions. However, with voice control, not many single DIN units offer this option. With touch controls, unless you get a flip-out head unit, the functionality is only limited to double DIN head units. This makes it a great option due to the vast controls you can choose as a user.

Cost

Based on I have discussed above, it is quite clear 2 DIN head units are going to cost you more than what you pay for a 1 DIN head unit. The difference in price might not be huge at first; however, as you climb up the ladder, the double DIN head unit is more expensive. This is because of the functionality and vast features that come with these devices. If you are low on budget, there are cheaper options available, but they will not be comparable to the high-end head units.

FAQs

Is double DIN a standard size?

Yes. According to ISO 7736, Headunits come in two standards. The double-DIN which measures 180mm by 100mm or the single DIN that measures 180mm by 50mm. The German national organization for standardization initially made the standards, the DIN (Deutsches Institut für Normung). Thus they are identified as DIN size.

Do head units have built-in amps?

Most head units will have built-in amplifiers. However, head units do not have powerfull amplifiers, though they are sufficient for most people. To get the most out of your speakers, a car amplifier will offer more options and also improve your car audio.

Can a single DIN fit in a Double DIN?

Yes. The dimensions of a single DIN is 180mm by 50mm, while that of a double-DIN is 180mm by 100mm. Therefore, two single DIN head units can fit in a double DIN slot.

What does St mean on car audio?

I believe these are standard FM radio RDS text buttons. They include RT, ST, and PT. RT is for the Radio Title and displays the station’s name, ST is for the song title, and PT is for the program type or genre.

What is a Mechless head unit?

A mechless head unit or a mechless receiver is a car stereo head unit without a built-in CD player. Another name for this type of head unit is a digital media receiver or DM receiver. Because mechless head units have no CD drive, they rely on digital audio playback via a storage device such as a smartphone, iPod, and other devices.

In Conclusion

Choosing between a double DIN or single-DIN head unit depends on various factors. However, your choice should be influenced first by what your car can take. For a single DIN slot, you cannot choose a double DIN stereo head unit. However, there are Flipout stereos you can select. For a Double DIN slot, you can either choose a double-DIN stereo or get an adapter kit and use it with a single DIN head unit.

If You are unsure about your choice, reach out to a professional for advice. If you’ve got any pending questions drop a comment below and I’ll help out where I can. Thanks for reading.

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