What is Android headunit?
What is an Android Headunit?
An Android headunit is a replacement car stereo that runs on the Android operating system, similar to an Android smartphone or tablet (Source: https://android-headunits.com/what-is-an-android-headunit-2/). Unlike regular car audio systems, Android headunits allow you to install apps, access maps and navigation, make phone calls, play media, and customize the interface. Essentially, an Android headunit transforms your car’s dashboard into an Android device.
Android headunits come with built-in CPUs and run Android versions 5.0 or higher. They have touchscreen displays ranging from 6 to 10 inches, and some models include features like Bluetooth connectivity, backup cameras, steering wheel controls, and Android Auto/Apple Carplay compatibility. Since they run Android, you can access the Google Play Store and install apps like Spotify, YouTube, traffic and mapping apps, etc. This opens up many more entertainment and convenience options compared to standard car stereos.
Overall, Android headunits bring smartphone-like capabilities to your car’s infotainment system. With full Android integration and app support, they provide a customizable and feature-packed alternative to proprietary car audio systems.
History and Development
Android headunits, also known as Android Auto head units, first emerged in 2014 when Google officially announced the Android Auto platform. This allowed Android devices to integrate with a vehicle’s infotainment system and dashboard screen (Android Auto – Wikipedia).
Some of the early innovators in Android headunits included Parrot, Pioneer, and JVC Kenwood who partnered with Google to release the first aftermarket Android Auto stereo systems in 2015 (A history of the car head unit). Major car manufacturers like Audi, Volvo, and Hyundai also began offering Android Auto integration in newer vehicle models around this time.
Since then, Android headunits have become more powerful and full-featured. Many allow sideloading of additional apps beyond Android Auto. Popular units today include models from Sony, Pioneer, Kenwood, Alpine, Atoto and others. Android headunits have evolved from basic infotainment to powerful in-car computers with features like WiFi hotspot, rear camera integration, mobile app control, and more.
The open Android platform has enabled rapid innovation and customization in the headunit space. With Google continually improving Android Auto and releasing developer tools, Android headunits are expected to become even more capable and ubiquitous in vehicles.
Features and Capabilities
Android head units come packed with many advanced features and capabilities not found in standard factory car stereos. Some key features include:
Touchscreens – Most Android units come with large, high-resolution touchscreen displays, usually 6.5 to 10 inches across. This allows for intuitive controlling of apps, maps and music playback. Touch response is generally fast and smooth.1
Navigation – Built-in navigation apps provide turn-by-turn directions, live traffic info, lane guidance and more. Maps and guidance are clear and responsive. Points of interest can also be searched. Some units have offline navigation support.
Media Playback – Android head units allow you to directly play music, podcasts, audiobooks and more from installed apps. Common formats like MP3, FLAC, WMA, etc. are supported. Bluetooth streaming from smartphones is also available.
Voice Control – You can use voice commands to control many features like navigation, music playback, and placing calls. Accuracy is generally very good.
Custom Themes – You can customize the look and feel by choosing different wallpapers, icon layouts, fonts, and color schemes. This allows you to tailor the interface to your preferences.
App Access – You can install both built-in and third party Android apps and access them directly from the head unit. This includes music, messaging, VOIP calling, video streaming and countless other apps.2
Integration with Vehicle
Replacing the factory headunit with an Android headunit requires some integration work to install it into the vehicle. Here are some key steps for installation:
First, you will need to remove the factory headunit by unscrewing or unlatching it from the dash. This may require removing trim pieces to gain access to the screws or latches holding it in place. Refer to vehicle-specific disassembly instructions for guidance on safe dashboard removal.
Next, you will need to connect the Android headunit to the vehicle’s wiring harness. This includes the power wires for constant 12V, ignition power, ground, dimmer, and parking brake. It also includes speaker wires, which you connect to the speaker outputs on the headunit. Some basic wiring knowledge is required, but overall it is a straightforward process.
To retain steering wheel control functions, you will need to connect the vehicle’s SWC (steering wheel control) wires to the appropriate SWC input on the Android headunit. This will allow volume, seek, and mode functions from the steering wheel buttons to work.
Finally, mount the headunit securely into the dashboard and reassemble any trim pieces. Make sure not to pinch wiring or partially install the headunit. Once fully connected and mounted, you can boot up the Android system and configure settings.
Overall, the installation process requires removing the factory stereo, connecting new wiring harnesses, retaining steering wheel controls, and mounting the Android headunit securely. With proper instructions and wiring diagrams, it is a very achievable project for most car owners. Just take precautions and work slowly when disassembling interior components.
Source: https://www.instructables.com/How-to-Install-an-Android-Double-Din-Radio-in-Your/
Advantages Over Factory Stereos
Android headunits provide significant advantages over factory stereos from automakers. Some of the key advantages include:
More apps – Android headunits allow you to install many useful and entertainment apps from the Google Play store. You can install apps like Spotify, YouTube, navigation apps like Waze, and many more. Factory stereos have very limited app support.
Better navigation – Most factory navigation systems quickly become outdated and lack current maps and points of interest. Android headunits allow you to install the latest navigation apps like Google Maps, Waze, etc. providing better and more up-to-date navigation.
More customization – With an Android headunit, you can customize the interface, choose your own apps to install, select different launchers, etc. Factory stereos offer little to no customization options.
Android OS flexibility – Since Android headunits run the Android operating system, they can be updated and allow installation of the latest apps. Factory stereos become outdated quickly as they lack the flexibility of the Android OS.
Overall, the open Android platform used in aftermarket headunits provides significant advantages over the locked-down factory stereos from automakers in apps, features and customization. Headunits with Android give a modern in-car experience that factory systems cannot match.
Disadvantages and Limitations
Installing an Android headunit into a vehicle that was not designed for it can have some drawbacks and limitations to consider. Some key disadvantages include:
Limited space – Aftermarket Android units may not fit perfectly into the dashboard space, leading to an irregular appearance or gaps. Special modification of the trim panels is sometimes required for a clean installation. See this source for more details.
Fitting issues – Getting an Android screen to integrate smoothly into the center console can involve custom brackets, bezels, and other adjustments. This can complicate installation and may not result in a factory look.
Distraction concerns – The large touchscreens can draw the driver’s eyes and attention away from the road if used improperly while driving. Touch control interfaces may require more focus than tactile buttons.
Hardware longevity – The lifespan of aftermarket components may be shorter than the vehicle itself, requiring replacement every 5-10 years. Android headunits use more processing power which generates heat, impacting longevity.
Overall, android headunits provide modern tech and customization options, but require extra effort for clean integration and do not necessarily match OEM reliability and longevity. Careful installation and responsible use while driving are advised.
Popular Models and Manufacturers
Some of the most popular Android head unit manufacturers include:
Pumpkin – One of the earliest and most well-known Android head unit brands, Pumpkin offers a wide range of models at various price points. They are known for their high-resolution touchscreens, customizable interfaces, and easy integration with steering wheel controls.
Atoto – Atoto focuses on premium units with large displays and high-end features like wireless CarPlay/Android Auto. Their systems have powerful quad-core processors for smooth performance, and options for integrated OBD2 ports and built-in dash cameras.
Dasaita – Dasaita head units stand out for their high-quality displays with IPS technology for wide viewing angles. They work seamlessly with both Apple and Android smartphones, and many models support full-screen navigation displays.
Other popular options include Joying, Eonon, Teyes, Xtrons, and more. Each manufacturer has its own strengths in terms of display quality, processor performance, smartphone integration, and price range.
Installation Tips and Considerations
Installing an aftermarket Android headunit requires careful planning and preparation. Here are some key factors to consider for a smooth installation:
Dashboard Fit
Make sure to get an Android headunit that is specifically designed to fit the dashboard of your vehicle make and model. An improper fit can leave gaps or require makeshift modifications 1.
Wiring Harness
Use a wiring harness adapter to connect the new headunit to the factory wiring and avoid having to cut or splice wires. The harness enables plug-and-play installation without modifying the original wiring 1.
Steering Wheel Controls
Retain steering wheel audio controls by getting an adapter that interfaces between the headunit and vehicle. This allows essential functions like volume and track skip to remain on the steering wheel 1.
Amplifier
Consider adding an external amplifier if the built-in amp on the headunit does not provide enough power for your speakers. Amplifiers boost volume and improve sound quality 1.
Future Outlook
Android headunits are expected to continue growing in popularity as more drivers look to upgrade their factory car stereo systems. Here are some predictions for the future of Android auto trends and innovations:
Increased Processing Power: Android headunits will feature even faster processors, more RAM, and expanded storage, enabling them to run demanding apps and programs with ease.
Improved Voice Controls: Voice assistant integration will improve, allowing drivers to control more headunit features and vehicle functions through voice commands alone.
Wireless Connectivity: WiFi, Bluetooth and wireless Android Auto/Apple Carplay will become standard, removing the need for wires and cables to connect smartphones and devices.
Custom UIs: More customizable and flexible UIs will allow drivers to tailor their headunit’s look, feel and functionality to their exact preferences.
Smart Vehicle Integration: Android headunits will sync with modern vehicles to access CAN bus networks, vehicle data, safety features, sensors and other integrated systems.
Autonomous Driving Features: As vehicles become more autonomous, Android headunits may incorporate advanced self-driving capabilities, vehicle-to-vehicle communications, and AI features.
The global market for aftermarket car infotainment is predicted to grow at a CAGR of around 5% from 2022-2026. Key factors driving adoption of Android headunits include consumer desire for modern connectivity and entertainment features, as well as increasing new vehicle costs prompting drivers to upgrade factory systems affordably.
Conclusion
In summary, Android headunits offer many advantages over factory car stereos, but also have some limitations to consider. The ability to run Android apps, customize the interface, and add advanced features like navigation, rear cameras, and vehicle integration makes them powerful and versatile. Key benefits include touchscreens, multimedia playback, Bluetooth and WiFi connectivity, voice controls, and app diversity.
However, Android headunits may not integrate seamlessly out-of-the-box with all vehicle makes and models. Installation requires wiring expertise and can be complex, especially for beginners. Hardware and software issues are possible if low quality or unsupported units are purchased. Prices range widely, with high-end name brand models being quite expensive.
For car tech enthusiasts, Android headunits enable customization options not possible with stock stereos. With careful planning and proper installation, they can be a worthwhile upgrade. But factory systems may be preferable for users wanting simplicity and seamless vehicle integration. Moving forward, Android Auto and CarPlay compatibility could make headunits more appealing to the mainstream. Overall, Android headunits occupy an interesting niche in the car electronics market.