Upgrading your vehicle’s audio system starts with understanding the car head unit, the heart of in-car entertainment and connectivity.
This guide breaks down what a head unit is, the different types available, must-have features like Apple CarPlay and Android Auto, top brands to consider, and key tips for choosing and installing the perfect unit.
Whether you’re replacing an old system or building a custom setup, everything you need to know is right here.
What Is a Car Head Unit?
A car head unit is the central control device for a vehicle’s audio and infotainment system. It manages functions like radio, Bluetooth connectivity, navigation, and smartphone integration through Apple CarPlay or Android Auto.
Types of Car Head Units You Should Know
There are various types of car head units designed to fit different dashboards and user needs. Let’s break down the main categories to help you choose the right one.
- Single DIN: Compact units typically without large screens.
- Double DIN: Larger units with touchscreens and more features.
- Floating Display: Modern head units with large screens that extend from the dashboard.
Choosing the right type ensures compatibility and enhances your driving experience.
When choosing a new car head unit, it’s important to understand the differences between Single DIN, Double DIN, and Floating Display designs. The table below highlights their key features to help you decide.
| Feature | Single DIN | Double DIN | Floating Display |
|---|---|---|---|
| Size | 2 inches tall | 4 inches tall | Varies, large screen extends outward |
| Screen | Usually no screen or small display | Large touchscreen (6–10 inches) | Extra-large touchscreen (9–11 inches) |
| Functions | Basic audio, Bluetooth, radio | Audio, video, navigation, CarPlay, Android Auto | Advanced infotainment, custom apps |
| Installation | Fits most vehicles easily | Requires compatible dashboard size | May require custom mounting |
| Look | Classic and minimal | Modern, built-in look | Ultra-modern, floating tablet style |
| Cost Range (AUD) | $200–$600 | $400–$1200 | $800–$2000+ |
| Best For | Older vehicles, basic upgrades | Daily drivers, family cars | High-end systems, tech enthusiasts |
Important Features to Look for in a Car Head Unit
Selecting the best car head unit requires evaluating specific features that enhance usability and functionality. Below are the top features every modern unit should have.
- Bluetooth Connectivity: Hands-free calls and wireless music.
- Apple CarPlay and Android Auto: Seamless smartphone integration.
- Touchscreen Display: Easy control with visual clarity.
- Navigation Systems: Built-in GPS for hassle-free travel.
- Audio Quality Enhancements: Support for amplifiers and sound processors.
How to Choose the Right Car Head Unit for Your Vehicle
Picking the right car head unit involves matching features to your driving needs and ensuring it fits your car’s dashboard configuration.
Selecting the right head unit involves considering:
- Compatibility: Match the DIN size of your dashboard.
- Features: Identify which functionalities matter most.
- Budget: Head units range from $200 to over $2000.
- Brand Reputation: Choose trusted brands for reliability.
Best Brands for Car Head Units in 2025
Choosing a reputable brand ensures long-lasting performance and advanced features. Here are the brands we recommend for the best car head units.
At Tower Audio, we recommend brands known for their quality:
- Pioneer
- Sony
- Kenwood
- Alpine
These brands offer a range of options to suit various budgets and preferences.
Car Head Unit Installation Costs and What to Expect
Knowing the costs associated with car head unit installation helps in planning your upgrade without surprises. Here’s what you should expect.
Professional installation is key for safety and functionality.
Need help choosing or installing a head unit? Explore our Car Head Unit Installation Services.
Common Questions About Car Head Units
Many car owners have questions before making a decision on upgrading their head unit. Here are the most frequently asked ones to help you out.
Q: What does a car head unit do?
A: It controls your vehicle’s audio and infotainment system, allowing access to music, navigation, and hands-free communication.
Q: How much does it cost to replace a car head unit?
A: Replacing a car head unit can cost between $200 to $2000 AUD for the unit, plus installation.
Q: Can I install a new car head unit myself?
A: While possible, professional installation is recommended to ensure correct fitment and functionality.
Q: What is the best car head unit for Apple CarPlay?
A: Brands like Pioneer and Sony offer excellent models with Apple CarPlay compatibility.
