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Is Adding Sound Deadening First the Best Car Audio Upgrade?

April 17, 2020 By 1sixty8 media

First Audio Upgrade

We’ve suggested many times that adding a subwoofer to a factory-installed car stereo is one of the best upgrades you can make to improve the sound. After some careful consideration, we have another first-upgrade suggestion that might provide an equally impressive improvement to your audio system – sound deadening. Most car audio enthusiasts associate sound damping materials with the installation of new speakers or a subwoofer, but the benefits as a stand-alone solution are impressive. Let’s check it out!

What Is Sound Deadening?

In the simplest of terms, automotive sound deadening is a product that is applied to metal or plastic panels in your vehicle to reduce the transfer of sound energy into the vehicle. Deadening comes in sheets with a strong adhesive and in spray-on solutions. Large flat surfaces like door skins, the firewall, the floor, the roof, trunk lids and fenders are some of the most common candidates for damping material installation.

First Audio Upgrade
Unique Integrations the UK treated this floor of this VW van with a layer of Dynamat Xtreme to create a quiet and comfortable cabin.

Upgrade Benefit 1: Less Background Noise

The interior of a modern compact SUV has a noise level between 70 and 75 dB when cruising on the highway. Imagine if you could decrease this level by 4 or 5 dB. You’d be able to hear more detail in your music and it would be easier to communicate with other people in the vehicle. Having sound deadening added to the outer door skins, the firewall, the floor and the roof offers a dramatic reduction in wind, tire and exhaust noise that enters the cabin.

A secondary benefit of the reduction in noise is an improvement in the performance and clarity of hands-free Bluetooth calls and voice recognition systems like Apple CarPlay and Android Auto.

First Audio Upgrade
The interior of a Jeep Wrangler treated with Stinger Roadkill by Code Zero Customs.

Upgrade Benefit 2: Improved Speaker Performance

Car audio speakers need to be installed in a way that prevents the sound coming from the back of the speaker from mixing with the sound coming from the front. While more and more vehicles are using plastic panels that seal the door skin completely, this wasn’t always the case. Having your local specialty mobile enhancement retailer apply sound deadening to seal any openings in the door will dramatically improve the performance of your car audio system. We’ve measured improvements of 10 dB in bass frequencies with no adjustments to the audio system.

First Audio Upgrade
Openings in a door panel can let the sound from the rear of the speaker cause cancellation and reduce audio system efficiency. This 2019 Ford Raptor was upgraded by Spokane Audio Video Experts.
First Audio Upgrade
Sealing these openings improves lower midrange and bass performance to enhance the quality of your audio system. Many shops combine removable plastic panels with damping material for the best overall performance gains.

Upgrade Benefit 3: Reduced Rattles and Buzzes

If you have a high-power audio system with large subwoofers, you may find that there are unwanted rattles and buzzes in the vehicle. Companies like SoundShield, Dynamat, Cascade Audio Engineering, Hushmat, Stinger and many more offer foam layers that prevent wire harnesses, door release and lock rods, and plastic trim panels from contacting metal surfaces and making noise.

Upgrade Benefit 4: Improved Comfort

Many of the companies that offer sound deadening products also offer thermal control solutions to keep heat from exhaust systems and high-power engines out of the vehicle interior. These heat-blocking materials are great for the floor, firewall and transmission tunnel of cars and trucks.

First Audio Upgrade
Dynamat Hoodliner is an easy way to protect the paint on the hood of a car or truck from damage due to extreme heat exposure.

Sound Deadening Is a Great First Audio Upgrade

You’ll find more and more specialty mobile enhancement retailers are turning to sound deadening as a first step in improving the perceived performance of an audio system. With the complexity of factory-installed infotainment systems, reducing the background noise level in a vehicle is a reliable way to improve almost every aspect of the driving experience. If you want to upgrade your car or truck, drop by your local professional car stereo shop and ask about adding sound deadening products to your vehicle.

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Filed Under: ARTICLES, Car Audio, Resource Library Tagged With: Cascade Audio Engineering, Dynamat, Hushmat, Sound Damping, Sound Deadener, Sound Deadening, SoundShield, Speakers, Stinger, Subwoofers

About 1sixty8 media

1sixty8 media is a content marketing, website development, and business solutions provider specializing in the mobile enhancement industry. The 1sixty8 media team includes many household names in the industry, from store owners and industry writers to award-winning installers and fabricators. To learn more about 1sixty8 media, visit www.1sixty8.com.

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