
When it comes to upgrading your car stereo in Australia, it's important to consider both compatibility and functionality. While some manufacturers offer 'universal' head units, designed to fit most dashboards, it's crucial to ensure compatibility with your specific car model to avoid wasting money on an ill-fitting unit. Single DIN units are the most common, with dimensions of 50mm x 180mm, while double DIN units offer more features but require a larger space. Online databases can help determine compatibility, and measuring the space yourself provides an extra layer of assurance. Additionally, factors like steering wheel controls, reversing cameras, Bluetooth connectivity, and support for Apple CarPlay or Android Auto should be considered when choosing a new head unit that fits your needs and your car.
| Characteristics | Values |
|---|---|
| Most common size | Single DIN (50mm x 180mm) |
| Less common size | Double DIN (180mm x 100mm) |
| Single DIN features | Basic stereo, CD mechanisms, smaller display panels |
| Double DIN features | Reverse cameras, navigation systems, touchscreen functionality, larger display panels |
| Installation | May require a special installation kit and accessories |
| Universal units | Designed to fit most dashboards but not truly universal; check compatibility before buying |
| Online databases | Search by make, model, and year of car to find compatible units |
| Custom units | Designed for specific vehicles |
| Compatibility factors | Fitment, functionality, feature support, ergonomics, steering wheel controls, reversing camera, digital audio broadcasting, Apple CarPlay/Android Auto, amplification, tuning features |
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What You'll Learn

Single DIN vs Double DIN
DIN is an acronym for the German term "Deutsches Institut für Normung", which translates to the German Institute for Standardisation. This institute created the standard measurements for car radios and related car audio equipment. Single DIN and Double DIN refer to the size of a car head unit. The main difference between the two is that a Double DIN head unit is twice the height of a Single DIN unit, measuring 100mm in height compared to 50mm. Both Single DIN and Double DIN units have the same width of 180mm.
Single DIN head units are typically found in older vehicles and are more affordable, but they lack the functionality of Double DIN units due to their smaller size. Double DIN units offer more space for advanced features such as touchscreen displays, digital displays, enhanced power, performance, and additional features like Apple CarPlay and Android Auto. They are also easy to replace or upgrade, with many companies offering installation kits to fit specific vehicles with non-standard dash sizes.
It is important to note that not all vehicles use the DIN sizing standards for their radios, and modifications may be required when changing to a Single DIN or Double DIN head unit. Custom installation kits are available for vehicles with non-standard DIN-sized radios.
When choosing between Single DIN and Double DIN, it is essential to consider your car's dashboard size and your preferred features. Single DIN units are compact, easy to install, and compatible with most vehicles, while Double DIN units offer larger screens, better functionality, and modern technology integration.
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$59.99

Universal head units
In Australia, several retailers offer universal head units, including QualityDins, GTzone, and Brummstadt. These retailers provide a range of options to suit different needs and budgets.
When considering a universal head unit, it's important to ensure compatibility with your vehicle. While universal head units are designed to fit a variety of cars, specific models may have unique requirements or limitations. It's always recommended to carefully review the product specifications and installation instructions to ensure a seamless integration process.
Installation is another important consideration. While some universal head units offer a plug-and-play setup, others may require a more intricate installation process. It's essential to carefully follow the provided instructions and, if needed, consult a professional to ensure proper functionality and avoid potential electrical issues.
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Compatibility with steering wheel controls
When shopping for a new head unit for your car, it's important to consider compatibility with steering wheel controls. If you want to retain the functionality of your steering wheel controls, you'll need to select a compatible head unit and possibly purchase additional adapters.
Firstly, determine if your car's steering wheel controls are compatible with the new head unit. Some head units may require an adapter or harness to interface with the steering wheel controls. Check the installation instructions and vehicle-specific guides to understand the requirements.
Next, identify the correct adapter for your vehicle. Each vehicle follows a specific communication protocol, so finding an adapter that works with that protocol is crucial. This step may involve researching different adapters on the market and ensuring compatibility with both your vehicle and the chosen head unit. Remember that installing the adapter and head unit simultaneously can save time and effort.
Additionally, consider the type of control input the head unit requires. Ensure it matches the output of your steering wheel controls. For wireless or universal steering wheel controls, confirm compatibility with the specific head unit you intend to purchase.
Keep in mind that some head units may offer built-in support for steering wheel controls, while others may require additional programming to assign specific functions to each button. It is always recommended to consult with specialists in car stereos if you have no experience in this area.
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CD players and mechless solutions
When it comes to upgrading your car's audio experience, there are a few options to consider. If you're a fan of the timeless appeal of CDs, a head unit with a CD player is a great option. CD players offer superior sound quality and reliability compared to compressed formats, and they don't require an internet connection. You can also find modern CD players with additional features like Bluetooth connectivity, Apple CarPlay, and Android Auto compatibility, allowing you to seamlessly connect your smartphone for navigation, music, and hands-free calls. Supercheap Auto offers a range of CD player head units that blend modern technology with the nostalgic charm of CDs.
On the other hand, if you're past using physical media and want a more streamlined solution, a mechless head unit might be the perfect choice. Mechless stereos offer advanced features without the need for a CD player. They often come with smartphone connectivity, Bluetooth, and USB ports, allowing you to play music directly from your device. Mechless solutions are ideal if you prefer streaming music from your phone or other devices. Automotive Superstore offers both single DIN and double DIN mechless options to fit your car's dashboard.
When choosing a CD player head unit, it's important to consider your priorities. If you're an audiophile, look for a model that supports high-fidelity playback to ensure the best sound quality. You may also want to consider additional features like Bluetooth capabilities, smartphone integration, and compatibility with your car's existing setup. Display size, ease of installation, and durability are also important factors to keep in mind.
Similarly, when opting for a mechless solution, it's crucial to ensure compatibility with your smartphone and other devices. Check for Bluetooth connectivity and USB ports to seamlessly play music from various sources. Additionally, consider the size of the head unit and whether it will fit your dashboard aperture. You may also want to retain or add certain features, such as steering wheel controls, reversing cameras, or navigation systems.
Whether you choose a CD player or a mechless head unit, it's important to verify compatibility with your car make, model, and year. Online databases can help you determine the right head unit size and compatibility with single or double DIN units. It's also recommended to measure the space yourself to ensure the new head unit fits perfectly. If you're unsure or have no experience with car audio equipment, consider hiring a specialist to source and fit the right head unit for your vehicle.
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Connectivity: Bluetooth, Apple Carplay, Android Auto
When it comes to head units and connectivity, it's important to consider your needs and wants. Do you want to be able to use compact discs, or are you happy with a mechless solution? Do you want a large screen or a small one? Do you want to retain the functionality of your steering wheel controls? Do you want to be able to tune into digital audio broadcasting (DAB) stations?
One of the most important considerations is connectivity. A Bluetooth-enabled unit is almost a must-have in our increasingly connected world. Single DIN Bluetooth-enabled units are widely available, as are double DIN options for those wanting more features and functionality.
If you want to take full advantage of mobile connectivity, look for a head unit that supports Apple CarPlay and/or Android Auto. These systems allow you to access your phone's essential functions, such as making and receiving calls, streaming audio, and using GPS, all while keeping your hands on the wheel. Apple CarPlay and Android Auto also provide excellent support for applicable apps like Apple Maps, Google Maps, and Waze, enhancing your navigation capabilities.
There are a variety of Apple CarPlay and Android Auto-compatible head units available on the market. The Sony XAV-AX4000 Wireless Apple CarPlay & Android Auto Head Unit features a 6.95" anti-glare touchscreen, Bluetooth connectivity, dual USB ports, and FLAC audio file compatibility. The Pioneer MVH-S215BT Single DIN Head Unit with Bluetooth is another option, as is the Kenwood 6.8" 2DIN CarPlay Head Unit DMX5023S.
Before purchasing a new head unit, it's important to ensure compatibility with your vehicle. Check online databases or measure the space yourself to determine if you need a single DIN or double DIN unit. Some head units are advertised as universal, but even these may not fit all vehicles, so it's always best to double-check.
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Frequently asked questions
You can search for the make, model, and year of your car in an online database to determine the right fit. You can also measure the space yourself to ensure the head unit is compatible with your car.
The main difference is their size, with double DIN occupying twice the space of a single DIN unit. Double DIN units offer more features such as reverse cameras and navigation systems, whereas single DIN units are more straightforward and may be compatible with more vehicles.
Some features to consider are CD compatibility, screen size, and Bluetooth connectivity. You may also want to look for Apple CarPlay and Android Auto compatibility, as well as the ability to retain steering wheel controls and reversing cameras.
Universal head units are designed to fit most car stereo dashboards, but they are not truly universal. Before purchasing, ensure that your car can accommodate a universal head unit and that you have the correct fascia panel for a seamless installation.
You can purchase head units from online retailers or specialty audio stores. Some retailers may offer installation services or provide you with the necessary installation gear. You can also hire a specialist in car stereo installation to ensure a proper fit.

























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