6x9 Front and 6/6.5/6.75 in Rear Speaker Adapter Kit for Ford - Fast

In this review of the ASC Audio speaker adapter kit the bottom line is simple: this kit is for Ford owners who want a quick, reliable way to fit aftermarket speakers into factory door locations without fabricating new mounts. The set includes front 6x9 plates, rear round adapter plates for 6, 6.5 and 6.75 in speakers, and four vehicle-specific speaker harnesses, and its biggest advantage is saving installation time while resisting corrosion thanks to high grade plastic construction.

Key Features

• Factory-fit design: Front 6x9 and rear 6/6.5/6.75 in plates are made to align with factory door locations for the listed Ford models, so installers do not need major modifications.
• Installation speed: Includes four plates and four speaker harnesses for a full four-door upgrade, which speeds up installation compared with making custom adapters.
• Durable material: Molded from high grade plastic to provide a long lasting secure fit and corrosion resistance inside door cavities.
• Wide speaker compatibility: Rear adapters accept most 6, 6.5 and 6.75 in speakers and can be slightly modified when necessary to fit different brands and mounting patterns.
• Vehicle compatibility: Made for Ford 2015-2022 F-150 and 2017-2021 F-250/F-350/F-450, so buyers can be confident of model fit for those years.

Who It's For

This kit is aimed at DIYers and professional installers working on compatible Ford trucks who want an efficient upgrade path to aftermarket 6x9 front speakers and round rear speakers without cutting new mounting holes. It suits people who prefer plug-and-play harnesses over splicing and those replacing factory speakers with common aftermarket sizes.

Those who should look elsewhere include owners of Ford models outside the listed years or anyone needing metal or custom-contoured adapters for speakers with unusual mounting patterns; some rear speaker fits may require minor trimming of the adapter to achieve a perfect seal.

Pros & Cons

Pros

• Speeds up installation by using vehicle-specific plates and included speaker harnesses.
• Durable high grade plastic resists corrosion and gives a secure mounting surface.
• Good value for a complete four-door kit that covers front 6x9 and rear round speakers.
• Flexible compatibility with common 6, 6.5, and 6.75 in speakers because adapters can be trimmed.

Cons

• Some users report mixed fitment with wire adapters or screw alignment, so minor adjustments may be needed during installation.

Specifications

Product type	Speaker adapter mount plates and harnesses
Front speaker size	6x9 in
Rear speaker sizes	6 in, 6.5 in, 6.75 in compatible
Included items	4 plates and 4 speaker harnesses (one pair per door)
Material	High grade plastic
Compatible vehicles	Ford 2015-2022 F-150; 2017-2021 F-250/F-350/F-450

Our Verdict

The ASC Audio adapter kit is a practical, cost-effective choice for Ford owners who want to install aftermarket front 6x9 and rear 6/6.5/6.75 in speakers quickly and with minimal fabrication. It offers solid materials and plug-in harnesses that cut install time, though a few installations may need minor trimming or screw adjustments; overall it represents good value for most compatible trucks.

Frequently Asked Questions

Will these fit my F-150 from 2016?
Yes, the kit lists compatibility with Ford F-150 from 2015 through 2022, so a 2016 model is covered.

Do I get wiring harnesses in the kit?
Yes, the kit includes four speaker harnesses-one pair per door-so you get plug-in connections for each speaker location.

Will I need to modify the adapters for some speakers?
Some rear round speakers may require slight trimming or modification of the adapter for perfect fit, which is normal to accommodate varied mounting patterns.