Can you put a single DIN in a double DIN?

What are DIN radios?

DIN radios refer to car stereo head units that conform to a standard for in-dash mounting sizes established by the Deutsche Institut für Normung (DIN) in the 1980s. The DIN standard specifies the dimensions and method for installing car stereos and ensures compatibility across different vehicle models.

The two most common size standards are single DIN and double DIN. Single DIN head units measure 2 inches (50mm) high by 7 inches (180mm) wide. Double DIN units are twice the height at 4 inches (100mm) high but maintain the same 7 inch width. A Brief History of the Car Radio notes that the DIN standard was created to simplify installation and improve compatibility.

The key difference between single and double DIN units is the size and layout. Double DIN radios have a larger display and can accommodate more buttons/knobs for added features and controls. However, single DIN units take up less space and may be a better fit for certain vehicles.

Dimensions of single vs double DIN

Single DIN radios have a standardized height of 2 inches and a width of 7 inches. This more compact size allows single DIN units to fit into vehicles that only have space for a single slot radio. According to Crutchfield, the official dimensions of a single DIN slot are 1 7/8 inches tall by 7 inches wide (Crutchfield).

Double DIN radios are twice the height at 4 inches tall, while maintaining the 7 inch width. Double DIN slots are specifically designed to accommodate these larger units. As Dual AV notes, the increased size allows double DIN stereos to incorporate larger display screens, more buttons for control, and additional features (Dual AV).

Visually, single DIN units take up about half the vertical space compared to double DIN. While single DIN radios are more compact, double DIN units offer more real estate for advanced controls and touchscreens. However, not all vehicles have space to install the larger double DIN units.

Can a single DIN fit a double slot?

Yes, a single DIN radio can physically fit into a double DIN mounting slot in a vehicle’s dashboard. Double DIN slots are designed to accommodate radios that are 180 x 100 mm, while single DIN radios are sized at 180 x 50 mm. So there is enough vertical space for a single DIN radio to fit into the larger double DIN slot.

However, this will leave a noticeable gap of empty space around the single DIN radio, as it is only taking up the top half of the slot. Many people find this gap unaesthetic or unbalanced looking. There are a couple options to address this:

Purchase a plastic trim kit that fills in the gap and makes the single DIN radio appear more flush in the double slot. These trim kits come in various colors and materials to match your dashboard.

Upgrade to an aftermarket double DIN radio, which will fill the entire space. Double DIN radios offer more features and screen space compared to single DIN.

While a single DIN radio will technically fit and function in a double DIN slot, for optimal appearance you may want to consider either a trim kit or upgrading to a double DIN stereo. Professional installation can ensure it fits properly with clean wiring behind the dash.

Installation Considerations

When installing a single DIN stereo into a double DIN slot, you’ll need to ensure you have the proper installation parts and accessories. Here are some key considerations:

Wiring Harness – You’ll need a wiring harness adapter to connect the new single DIN stereo to the existing wiring in your vehicle. Make sure to get a harness that is vehicle-specific and compatible with your car’s original connector.

Mounting Bracket – Since a single DIN is smaller, it likely won’t mount directly into the double DIN slot. You’ll need a mounting bracket or installation kit designed to securely hold the single DIN stereo in place. Brands like Metra make specific brackets for this purpose.

Trim Pieces – You’ll need a trim piece or mounting cage to fill the open space left above and below the single DIN stereo. This gives it a clean, integrated look. Trim kits often come with the necessary brackets.

Antenna Adapter – You may need an antenna adapter for the new stereo to connect properly. Verify antenna compatibility or look for a universal adapter.

Dash Kit – A dash kit allows a clean installation that matches the contours of your dash. It makes the stereo look factory installed versus an aftermarket add-on.

Having the right installation parts helps ensure the single DIN is securely mounted and integrated into the vehicle properly. Investing in a vehicle-specific wiring harness and mounting bracket is highly recommended over a universal one.

Functionality limitations

One of the main drawbacks of using a single DIN stereo in a double DIN slot is the lack of screen real estate. Double DIN units have much larger displays, often 6.2” or more, allowing for touchscreens and more information to be shown at once. With a single DIN radio, the screen size is typically just 2”-3”, which is very small by today’s standards. This can make viewing and interacting with the stereo more difficult, especially while driving.

Due to the compact size, single DIN stereos lack many of the features that are common on double DIN units. Most single DIN radios do not have touchscreens, which limits how you can control the device. There is also less physical space for buttons and knobs. This often results in controls being tiny and cramped together, making them frustrating to use while driving. External amplifiers, subwoofer controls, navigation inputs, rearview cameras, and other bonus features are usually missing from single DIN models as well. The functionality is simplified to focus only on the basics like radio, Bluetooth, and playing music from USB or aux.

Modern amenities like Apple CarPlay and Android Auto require a touchscreen, so they are not available on most single DIN units. If you want a fully featured infotainment system with all the bells and whistles, a single DIN radio will leave you disappointed. While they can get the job done for basic music playback, single DIN stereos lack the advanced functionality that many drivers now expect from their car audio system.

Appearance Options

If you do install a single DIN radio in a double DIN slot, there will be a large gap left underneath the stereo. While some people don’t mind the unfinished look, most want to fill in the extra space for a flush, factory-like appearance.

One option is to purchase a trim kit made specifically for single DIN radios installed in double DIN openings. These plastic kits are relatively inexpensive and come in a variety of colors to match your vehicle’s interior. They click into place around the stereo to fill in the gap cleanly.

Another more custom route is to have a skilled audio shop fabricate a metal bracket or panel to surround just your specific stereo. This will provide a seamless factory fit, but does require professional custom work. The shop can match the finish to your dashboard and install the panel securely around the single DIN radio.

With some creativity, you can likely find an aesthetically pleasing way to install a single DIN even in a double slot. But custom brackets or panels will add cost to your installation if appearance is a priority.

Aftermarket stereos for single DIN

There are still lots of quality single DIN head units on the market for those wanting to upgrade their car stereo without needing a double DIN model. Here are some of the most notable single DIN stereos:

Pioneer single DIN stereos

Pioneer makes excellent single DIN head units known for high quality sound, intuitive controls, and modern features like Bluetooth connectivity and smartphone integration. Models like the DEH-S31BT and MVH-S310BT have built-in amplifiers, multi-color illumination, and Pandora control for a great in-car listening experience.

Sony MEX-N4100BT

The Sony MEX-N4100BT packs a built-in 4 channel 55W amplifier with surprisingly powerful bass considering its single DIN size. It has Bluetooth and NFC connectivity for hands-free calling and audio streaming. The LCD display is minimalistic yet stylish.

Kenwood KDC-BT362U

The Kenwood KDC-BT362U is a budget-friendly single DIN option with Bluetooth, a built-in amplifier, and high quality audio performance. The external controller makes it easy to manage music playback and phone calls. It lacks more advanced features like Pandora or satellite radio.

While single DIN units have more limited display space and fewer high-tech capabilities compared to double DIN models, quality stereo sound and essential features like Bluetooth can still be found in compact single DIN packages.

Consider double DIN instead

Even though you can make a single DIN radio work in a double DIN slot, you may want to consider upgrading to an actual double DIN unit instead. Double DIN stereos offer distinct advantages over single DIN models:

Bigger display screen – Double DIN units have a larger screen, usually 6.2” or more. This provides an easier-to-use interface and better visibility while driving.

More features – The extra space in a double DIN stereo allows for extra features like built-in navigation, DVD playback, or a CD player. Single DIN units lack the real estate for these bonuses.

Room for add-ons – You can add accessories like rearview cameras, satellite radio tuners, or extra displays onto a double DIN. Single DIN radios don’t have the capability.

Improved sound quality – Double DIN stereos tend to offer better sound quality with features like time correction and parametric EQs.

There are budget-friendly double DIN options available too. You can find quality double DIN stereos starting around $200-300 like the Pioneer MVH-S622BS or the Boss BV9986BI.

Going for a double DIN unit instead of trying to fit a single DIN radio into the larger slot can give you more features, better sound, and a built-in look.

Professional installation

Getting your car stereo professionally installed offers several benefits over doing it yourself. Professional installers have the expertise, tools, and experience to complete the job properly.

When you take your car to a professional installer, they will:

Remove your existing stereo cleanly without damaging your dashboard
Make customized brackets if needed for an exact fit
Connect all wires securely with high quality connections

Test the stereo’s features thoroughly after installation
Offer a warranty on parts and labor

This attention to detail helps ensure your new stereo will function optimally and look seamless in your car’s interior. Though professional installation may cost more upfront, it saves you time and gives peace of mind that the job was done right the first time. You can find reliable installers near you with excellent reviews online or by asking for referrals from local car audio shops.

The bottom line

When deciding between a single DIN and double DIN car stereo, there are a few key considerations:

Double DIN units have larger displays and buttons, providing a better user experience.
Double DIN stereos support more advanced features like navigation, Apple CarPlay and Android Auto.

Single DIN units are more affordable and can fit in vehicles with limited dash space.
Adapter kits allow a single DIN radio to be installed in a double DIN slot, but have a less integrated look.
Professional installation helps ensure proper fit and functionality when installing any new car stereo.

Overall, while single DIN stereos are more budget-friendly, double DIN units offer more versatility, technology and aesthetic appeal. For most consumers looking to upgrade their car’s entertainment system, a double DIN stereo is recommended if it fits the vehicle and budget. With abundant options from Pioneer, Alpine, Sony and others, double DIN stereos provide the latest must-have features in an intuitive, integrated package.