The warm glow of the dashboard, the purr of the engine, and the open road ahead. For many of us, these sensations are intertwined with the memories of cruising in our older vehicles. But sometimes, the factory-installed radio just doesn't cut it anymore. Whether it's a crackling speaker, a cassette player gathering dust, or a simple lack of modern features, upgrading the head unit can breathe new life into your classic ride. A single din head unit can be an excellent solution. They offer a blend of modern technology and a classic, unobtrusive look that seamlessly integrates into the dash of your vintage car or truck.
This guide will delve into the world of aftermarket single din head units, exploring the top options available and guiding you through the features you should consider when making your choice. From Bluetooth connectivity and smartphone integration to improved audio quality and hands-free calling, we'll cover everything you need to know to bring your older vehicle's sound system into the 21st century.
Understanding Single Din Head Units
Before diving into specific models, let's define what we're talking about. A "din" is a standardized size for car audio head units, derived from the German standards organization Deutsches Institut für Normung. A single din unit measures approximately 2 inches tall and 7 inches wide. This is the size commonly found in older vehicles, making single din units the perfect drop-in replacement for the factory radio.
While double din units (4 inches tall) offer larger touchscreens and more advanced features, single din units provide a more streamlined and often more affordable alternative. They are also easier to install in many older vehicles without requiring significant dashboard modifications. You can find single din options that offer many of the same features as their larger counterparts, cleverly packaged into a compact form factor.
Key Features to Look For
When selecting a single din head unit for your classic car or truck, consider the following features: Bluetooth Connectivity: This allows you to wirelessly stream music from your smartphone, make hands-free calls, and access navigation apps. Look for units that support A2DP (Advanced Audio Distribution Profile) for high-quality audio streaming. Smartphone Integration: Some units offer Apple Car Play or Android Auto compatibility, allowing you to seamlessly integrate your smartphone's interface with the head unit. This provides access to navigation, music, and communication apps through a familiar and user-friendly interface. USB and Auxiliary Inputs: These provide wired connections for playing music from USB drives, MP3 players, or other audio sources. USB ports can also be used to charge your smartphone. AM/FM Radio: A standard feature, but pay attention to the receiver's sensitivity and ability to pick up weak signals. Some units also offer HD Radio, which provides higher-quality audio and additional channels. CD Player: While less common these days, some single din units still include a CD player for those who prefer physical media. Audio Output Power: This determines how loud the head unit can play. Look for units with sufficient power to drive your speakers without distortion. Typically, an output of around 20-25 watts RMS per channel is adequate for most vehicles. Preamp Outputs: These allow you to connect external amplifiers to boost the audio power and improve sound quality. Look for units with multiple preamp outputs (front, rear, and subwoofer) for maximum flexibility. Equalizer Settings: Adjusting the equalizer allows you to fine-tune the audio to your liking and compensate for the acoustics of your vehicle. Look for units with customizable EQ settings. Display: Consider the size, brightness, and contrast of the display. A clear and easy-to-read display is essential for safe operation while driving. Remote Control: A remote control can be useful for controlling the head unit from the back seat or for making adjustments without having to reach for the dashboard. Steering Wheel Control Compatibility: If your vehicle has steering wheel audio controls, look for a head unit that is compatible with them. An adapter may be required. Security Features: Some head units offer security features such as a detachable faceplate or a security code to deter theft.
Top Single Din Head Unit Recommendations
Here are a few highly-regarded single din head units currently available, catering to a variety of needs and budgets:
| Model | Key Features | Pros | Cons | Best For |
|---|---|---|---|---|
| --------------------------- | ----------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------ | -------------------------------------------------------------------------------------------------- | --------------------------------------------------------- |
| Pioneer DEH-S6220BS | Bluetooth, USB, Pandora/Spotify control, Advanced Sound Retriever, 3 RCA preouts | Excellent sound quality, versatile connectivity, easy to use, smartphone integration | Display can be difficult to read in direct sunlight, no Android Auto/Apple Car Play | General use, music lovers, budget-conscious buyers |
| Alpine UTE-73BT | Bluetooth, USB, Pandora/Spotify control, 3 RCA preouts, Bass Engine SQ | Clean sound, user-friendly interface, powerful bass enhancement, simple design | No CD player, limited display customization | Those prioritizing sound quality and a minimalist design |
| Kenwood KMM-BT328U | Bluetooth, USB, AAC Support, variable color illumination, 3 Preouts, Amazon Alexa | Versatile, Customizable display, supports high-res audio formats, Alexa integration | Some users report complex menu navigation, display can be small | Customization, Alexa integration, digital audio enthusiasts |
| Sony MEX-M72BT | Bluetooth, USB, NFC, Marine Grade, EXTRA BASS, 3 Preouts | Durable, water-resistant, powerful bass, Bluetooth connectivity, NFC pairing | Limited advanced features, display could be brighter | Boats and outdoor vehicles, bass lovers |
| JVC KD-X370BTS | Bluetooth, USB, Amazon Alexa, Pandora/Spotify control, 13-band EQ | Affordable, great sound for the price, customizable EQ, Alexa integration | Only one set of preamp outputs, display is basic | Budget-minded shoppers wanting good sound and features |
| Blaupunkt Bremen SQR 46 DAB | Retro design, DAB+ radio, Bluetooth, USB, SD card slot, Auxiliary input, 4x50W | Classic look, DAB+ radio, modern connectivity, high power output, integrates well into vintage dashes | Expensive, lacks modern smartphone integration features like Car Play/Android Auto, smaller display | Classic car enthusiasts prioritizing aesthetics and DAB+ |
A Closer Look at Specific Models
Pioneer DEH-S6220BS: This head unit is a solid all-around choice. It boasts excellent sound quality for the price, supports Bluetooth connectivity for music streaming and hands-free calling, and offers smartphone integration through Pandora and Spotify control. The Advanced Sound Retriever technology helps to restore the quality of compressed audio files. It also features three sets of preamp outputs, allowing you to expand your system with external amplifiers. Alpine UTE-73BT: Known for its clean and powerful sound, the Alpine UTE-73BT is a great option for those who prioritize audio quality. It features Alpine's Bass Engine SQ technology, which allows you to fine-tune the bass response to your liking. The user interface is simple and intuitive, making it easy to navigate the various features. This model lacks a CD player, focusing on digital audio sources. Kenwood KMM-BT328U: The Kenwood KMM-BT328U offers a wide range of features, including Bluetooth connectivity, USB input, and support for various audio formats, including FLAC. Its variable color illumination allows you to customize the display to match your vehicle's interior. It also boasts Amazon Alexa integration, allowing you to control music, get directions, and more with your voice. Sony MEX-M72BT: Designed for marine applications, the Sony MEX-M72BT is a durable and water-resistant head unit that can withstand the elements. It features Bluetooth connectivity, USB input, and NFC pairing for easy smartphone connection. The EXTRA BASS feature provides powerful low-end response. JVC KD-X370BTS: This model is a budget-friendly option that doesn't compromise on features. It offers Bluetooth connectivity, USB input, Amazon Alexa integration, and a 13-band equalizer for fine-tuning the audio. Blaupunkt Bremen SQR 46 DAB: This head unit perfectly blends classic aesthetics with modern technology. It is specifically designed to complement the interiors of vintage vehicles. The Bremen SQR 46 DAB boasts DAB+ digital radio, Bluetooth connectivity, a USB port, and an SD card slot. While lacking advanced smartphone integration features like Apple Car Play or Android Auto, its retro design and inclusion of DAB+ make it a unique and desirable option for classic car owners who want a blend of old-school charm and contemporary functionality.
Installation Tips
Installing a single din head unit is a relatively straightforward process, but it's essential to follow the correct steps to avoid damaging your vehicle or the new unit. Here's a general overview:
1.Gather Your Tools and Materials: You'll need a screwdriver set, wire stripper/crimper, wire connectors, electrical tape, and a wiring harness adapter.
2.Disconnect the Battery: Always disconnect the negative terminal of your car battery before working on the electrical system.
3.Remove the Old Head Unit: Use the appropriate tools to remove the dashboard trim and access the factory radio. Disconnect the wiring harness and antenna cable.
4.Connect the Wiring Harness Adapter: Connect the wiring harness adapter to the factory wiring harness. Match the wires according to the color codes in the adapter's instructions.
5.Connect the New Head Unit: Plug the wiring harness adapter and antenna cable into the new head unit.
6.Test the Head Unit: Reconnect the battery and turn on the ignition to test the head unit. Make sure all functions are working correctly.
7.Mount the Head Unit: Secure the new head unit in the dashboard using the appropriate mounting brackets or hardware.
8.Reinstall the Dashboard Trim: Carefully reinstall the dashboard trim, ensuring that all components are properly aligned.
Important Considerations
Wiring Harness Adapter: Using a wiring harness adapter is highly recommended. This allows you to connect the new head unit without cutting or splicing the factory wiring, preserving the original wiring and making it easier to revert to the factory radio if needed. Grounding: Ensure that the head unit is properly grounded to the vehicle's chassis. A poor ground connection can cause noise and other audio problems. Professional Installation:If you're not comfortable performing the installation yourself, consider hiring a professional installer.
Related: [Car Audio System Upgrade Guide]
Troubleshooting Common Issues
No Power: Check the fuse for the radio circuit in your vehicle's fuse box. Also, make sure the wiring harness is properly connected and that the head unit is grounded. No Sound: Check the speaker connections and make sure the speakers are working. Also, make sure the head unit's volume is turned up and that the mute function is not enabled. Poor Radio Reception: Check the antenna connection and make sure the antenna is in good condition. You may need to install a new antenna or an antenna amplifier to improve reception. Bluetooth Connectivity Issues: Make sure Bluetooth is enabled on both the head unit and your smartphone. Also, try clearing the pairing history and re-pairing the devices.
Frequently Asked Questions (FAQ)
Q: Will a single din head unit fit my older vehicle?
A: Most likely, yes. Single din is the standard size for older vehicles. However, it's always best to measure the opening in your dashboard to confirm before purchasing.
Q: Do I need any special tools to install a single din head unit?
A: You'll typically need a screwdriver set, wire stripper/crimper, wire connectors, and a wiring harness adapter. Depending on your vehicle, you may also need specialized tools for removing the dashboard trim.
Q: Can I still use my steering wheel audio controls with an aftermarket head unit?
A: Yes, but you'll need a steering wheel control adapter that is compatible with both your vehicle and the head unit.
Q: What is the difference between RCA preouts and speaker outputs?
A: RCA preouts are low-level outputs that are designed to be connected to external amplifiers. Speaker outputs are high-level outputs that are designed to be connected directly to speakers. Using preamp outputs with an amplifier generally results in better sound quality.
Q: What does "detachable faceplate" mean?
A: A detachable faceplate is a security feature where the front panel of the head unit can be removed, making the unit less attractive to thieves.
Q: Are single DIN head units with Apple Car Play and Android Auto common?
A: While less common than in double DIN units, some single DIN models incorporate creative solutions like retractable screens or smartphone mirroring to offer Car Play and Android Auto functionality.
Conclusion
Upgrading to a single din head unit can dramatically improve the driving experience in your older vehicle. With features like Bluetooth connectivity, smartphone integration, and improved audio quality, you can enjoy all the modern conveniences without sacrificing the classic look of your ride. By carefully considering your needs and budget, and following the installation tips outlined in this guide, you can choose the perfect head unit to bring your vintage car or truck into the 21st century. Remember to prioritize features that enhance your daily driving, and don't be afraid to seek professional installation if you're unsure about any part of the process. Enjoy the open road!