KICKER KS Series 6x8" Speaker Upgrade Kit for 1999–2014 Ford F-150 – 4 Speakers with Plug & Play Harnesses

Give your Ford F-150 the sound upgrade it deserves with this KICKER KS Series 6x8" speaker bundle, designed to replace all four factory door speakers in compatible 1999–2014 Ford F-150 trucks.

Featuring four premium KICKER 51KSC6804 KS Series coaxial speakers and four plug-and-play wiring harness adapters, this complete upgrade package delivers smooth, detailed highs, clear vocals, and responsive midbass without the hassle of cutting or splicing your factory speaker wiring.

Whether you're replacing aging factory speakers or looking to take your truck's sound system to the next level, this bundle offers a convenient way to upgrade both your front and rear door speakers with premium KICKER sound.

What's Included

• (4) KICKER 51KSC6804 KS Series 6x8" 2-Way Coaxial Speakers – 2 pairs

• (4) 72-5601 Plug & Play Speaker Wiring Harness Adapters

• (1) FREE Pro Audio Center Koozie

Everything you need for a convenient four-speaker replacement in compatible factory speaker locations.

Premium KICKER KS Series Sound

Step up from basic factory speakers with the refined audio performance of KICKER's KS Series.

Designed for drivers who appreciate clean, accurate sound, these 6x8" coaxial speakers feature internally dampened polypropylene woofer cones, durable rubber surrounds, and high-quality silk-dome tweeters.

The result is a balanced listening experience with smooth highs, natural vocals, and precise midbass that brings your favorite music to life.

Why Upgrade to KICKER KS Series?

• Premium Sound Quality: Enjoy clear vocals, detailed instruments, and smooth high frequencies.

• Silk-Dome Tweeters: Deliver natural, refined highs without excessive harshness.

• Responsive Midbass: Polypropylene woofer cones and rubber surrounds provide accurate midrange and bass response.

• 75 Watts RMS Per Speaker: Suitable for factory radio upgrades and aftermarket amplifier systems.

• Factory-Friendly Design: Shallow mounting depth and minimal tweeter protrusion help maintain compatibility with factory speaker locations.

• Complete Four-Door Upgrade: Replace both front and rear factory speaker pairs with matching KICKER KS speakers.

Vehicle Fitment – 1999–2014 Ford F-150

This speaker bundle is designed for direct fitment in the following vehicles:

• Ford F150 1999
• Ford F150 2000
• Ford F150 2001
• Ford F150 2002
• Ford F150 2003
• Ford F150 2004
• Ford F150 2005
• Ford F150 2006
• Ford F150 2007
• Ford F150 2008
• Ford F150 2009
• Ford F150 2010
• Ford F150 2011
• Ford F150 2012
• Ford F150 2013
• Ford F150 2014

Perfect fit for factory speaker locations with no cutting or modifications required.

Speaker Locations:

• Front Driver Door

• Front Passenger Door

• Rear Driver Door (where equipped)

• Rear Passenger Door (where equipped)

Important Fitment Information: This four-speaker bundle is intended for Ford F-150 configurations equipped with four compatible factory 6x8" door speaker locations. Cab configuration, factory audio system, and speaker mounting arrangements may affect compatibility. Verify your vehicle's original speaker locations before ordering.

Easy Plug-and-Play Speaker Installation

Upgrade your factory speakers without modifying your truck's original speaker wiring.

This bundle includes four 72-5601 wiring harness adapters designed to connect your new KICKER speakers to compatible Ford factory speaker connectors.

Installation Benefits:

• No cutting or splicing factory speaker wires

• Plug-and-play wiring connections

• Helps preserve original factory wiring

• Convenient front and rear door installation

• Ideal for DIY speaker upgrades

• Works with compatible factory speaker locations

Simply connect the included wiring adapters to your KICKER speakers and factory speaker plugs for a cleaner, more convenient installation.

KICKER 51KSC6804 Speaker Specifications

Why Choose This Ford F-150 Speaker Bundle?

Complete Front and Rear Upgrade

Replace all four factory door speakers with matching KICKER KS Series speakers for consistent sound quality throughout your truck.

Premium Sound Without a Complicated Installation

The included wiring harness adapters eliminate the need to cut or splice compatible factory speaker wiring.

Excellent Factory Radio Upgrade

With 90 dB sensitivity, these speakers are a practical upgrade for many factory radio systems while offering additional performance potential with aftermarket amplification.

Quality Components Built for Everyday Listening

Silk-dome tweeters, polypropylene cones, and rubber surrounds provide a combination of clarity, durability, and balanced audio performance.

Convenient Vehicle-Specific Package

Skip the hassle of purchasing speakers and wiring adapters separately. This bundle brings together the components for your Ford F-150 speaker upgrade.

FREE Pro Audio Center Koozie

Every bundle includes a complimentary Pro Audio Center koozie.

Frequently Asked Questions

Will this speaker bundle fit my 1999–2014 Ford F-150?

This package is designed for compatible Ford F-150 trucks with factory 6x8" door speaker locations. Confirm that your vehicle has four compatible speaker locations before purchasing.

Does this bundle replace both front and rear door speakers?

Yes. This bundle includes four speakers and four wiring harness adapters, enough for front and rear door replacement in compatible four-speaker configurations.

Will I need to cut my factory speaker wires?

No. The included plug-and-play harness adapters connect to compatible factory speaker connectors without cutting or splicing the original wiring.

Will these speakers work with my factory radio?

Yes, KICKER KS Series speakers can work well with many factory radios.

Do I need an aftermarket amplifier?

No. An aftermarket amplifier is not required, although properly matched amplification can help you get more performance from these speakers.

What is the difference between KICKER DS and KS Series speakers?

KICKER DS Series speakers offer a dependable, affordable factory speaker upgrade. KS Series speakers step up to more refined components, including silk-dome tweeters, for smoother highs and greater musical detail.

Are speaker grilles included?

No. These speakers are designed to fit behind compatible factory speaker grilles.

Does the package include a free koozie?

Yes! A FREE Pro Audio Center koozie is included with your purchase.

Upgrade All Four Ford F-150 Door Speakers Today

Enjoy the clarity, detail, and performance of premium KICKER KS Series speakers throughout your Ford F-150.

With four KICKER 6x8" coaxial speakers, four plug-and-play wiring harnesses, and a FREE Pro Audio Center koozie, this bundle offers a convenient way to transform your factory audio system.

Upgrade your front and rear door speakers with KICKER KS Series sound from Pro Audio Center.