KICKER Speakers 6X8 inch for Ford F-250/F-350/F-450/F-550 1999-2004 Upgrade Kit (4 Pack with Harness)
Quick take
This KICKER DS Series 6x8 coaxial speaker kit is built for a specific swap on 1999-2004 Ford F-250/F-350/F-450/F-550, bundling four speakers (two pairs) with Ford-matched harnesses to help keep installation simple. It’s a solid option if your priority is a noticeable step up from stock sound without a complicated wiring project. The main potential snag is harness adapter fitment, where some buyers mention needing additional adapters or dealing with mismatched harness styles.
Pros and cons
Pros
- Vehicle-specific bundle includes speakers plus wiring harnesses for Ford 1999-2004 front and rear door/side-panel locations.
- Coaxial 2-way design (includes a dome tweeter) aimed at full-range sound with high sensitivity.
- Buyers consistently describe the install as straightforward and the upgrade as clearly better than factory.
- Typical top-mount fit with thin-profile depth (reported around 2-3/8 in), reducing clearance concerns.
Cons
- Some installs may require extra harness adapters or additional wiring if the included adapter styles do not match every door or connector.
- Built for a narrow set of Ford years and speaker locations, so it is not a universal upgrade.
What buyers think
Buyer-review evidence is too limited to draw a precise overall sentiment pattern beyond the recurring themes. Still, the reviews included point to a few decision-relevant takeaways: multiple buyers say the speakers sound better than stock and deliver a stronger bass response than factory, with one noting the upgrade is especially satisfying for the price. Several also describe the swap as easy or “plug-and-play,” typically pairing well with their existing head unit. The most repeated practical caveat is harness compatibility, where some buyers report receiving more than one harness style and needing extra adapters to complete all door installs cleanly.
What this kit includes, and what it’s for
This is a four-speaker package for 1999-2004 Ford F-250, F-350, F-450, and F-550 models. It bundles two pairs of KICKER DS Series 6x8 coaxial speakers (front and rear door/side panel replacement) along with two pairs of Ford-specific speaker harnesses (Vixen Go harnesses) intended to connect aftermarket speakers to the factory connector style without cutting.
If you are doing a matched front and rear door refresh, the bundle can save time versus sourcing speakers and adapters separately, but you still need to ensure your truck’s connector style matches the harnesses supplied.
Sound and speaker design basics
The DS Series 6x8 coaxial speakers are designed as 2-way units, pairing a woofer and an integrated 1/2-inch dome tweeter. The cone and surround materials are specified as polypropylene cones with ribbed surrounds and acoustic-foam elements, and the package uses an ultra-clean bass approach that is meant to cover the full frequency range with high sensitivity.
Key performance figures listed include:
- Power handling: 200 watts MAX per pair, 50 watts RMS (per pair)
- Impedance: 4 ohms
- Sensitivity: 90 dB
- Frequency response: 45-20,000 Hz
- Voice coil and mounting: extended voice coil, thin-profile top-mount, with approximately 2-3/8 in top-mount depth
In practical terms, buyers describing “more bass” suggests these are a good pick if you want a noticeable improvement from basic factory output, but you should manage expectations if you are chasing heavy competition-level sub-bass. This is still a door-speaker coaxial upgrade, not a dedicated subwoofer system.
Installation experience: harnesses help, but check adapter fit
The kit is designed around a plug-in style installation, with no cutting needed when the harnesses match your truck’s factory connector. Multiple buyers describe the upgrade as quick and easy, and at least one specifically mentions the speakers being a proper fit into stock speaker mounts.
However, harness compatibility is the biggest “make-or-break” detail. Some buyers report that only some of the correct harness adapters were included for their doors, which delayed installation until additional adapters were obtained. If your goal is to finish all four corners in one session, it’s worth double-checking your door connector style before you start, and be prepared for the possibility of sourcing extra adapters if your truck wiring differs.
Pros and cons summary
- Choose it if: You own a 1999-2004 Ford F-250/F-350/F-450/F-550 and want a matched front and rear coaxial speaker upgrade with harnesses intended for plug-and-play installation.
- Avoid it if: You are not sure your connector style matches the included harnesses, or you want a more universal kit that works across multiple vehicle makes and years.
Is it worth it?
For Ford owners in the supported years, this kit is positioned as a convenient “replace and upgrade” bundle: you get the speakers and the harnesses together, and the coaxial design simplifies the upgrade without complex speaker layout changes. The reviews lean toward a value win versus stock sound, especially if you are using a standard head unit and want better bass and clarity. The decision caveat is harness adapter fit. If you verify compatibility up front, this can be a straightforward way to refresh both front and rear doors.
FAQs
Will this work on a 1999-2004 Ford F-250/F-350/F-450/F-550?
It is specifically intended for those Ford models and those years, using harnesses designed to connect to the factory speaker connector for the door/side-panel locations.
Is it plug-and-play or do I need to cut wires?
The kit is designed for quick installation with no cutting, using the included harnesses. Still, some buyers report needing additional harness adapters to complete all doors if the included adapter styles do not match their specific connector setup.
What kind of sound should I expect from these 6x8 coaxial speakers?
They are a 2-way coaxial design with a dome tweeter and a woofer tuned for full-range output. Review feedback commonly describes an upgrade versus factory, including stronger bass response, but they are not a substitute for a dedicated subwoofer if you want very deep, high-impact low end.
How much power do these speakers handle?
The listed specs include 50 watts RMS and 200 watts MAX per pair, with 4-ohm impedance.
Are the mounting dimensions and depth compatible with factory locations?
The speakers are described as thin-profile top-mount with an indicated depth around 2-3/8 inches, designed to fit the intended factory-style locations for the supported Ford trucks.
Do I need to buy extra wiring adapters?
It depends on your specific door connector styles. The kit includes harness options, and some buyers report being able to finish installs smoothly, while others needed additional adapters for full coverage across all doors.
Specifications
| Product Title | KICKER Speakers 6X8 inch for Ford F-250/F-350/F-450/F-550 1999-2004 Upgrade Kit - 4 Pack of DS Series with Harness, Coaxial Car Audio Front and Rear Door Speaker DSC680, 43DSC6804 |
|---|---|
| Category | Electronics > Car & Vehicle Electronics > Vehicle Electronics Accessories > Audio & Video Accessories > Speaker Systems |
| Brand | KICKER |
| Manufacturer | Kicker |
| Model Name | DSC6804 (43DSC6804) |
| Model Number | 43DSC6804(2)+F253545559916SH |
| Item Weight | 9.72 Pounds |
| Audio Output Mode | Surround |
| Mounting Type | Car Mount,Door Mount,Top Mount |
| Enclosure Material | Polypropylene, Acoustic-foam |
| Speaker Type | Coaxial |
| Additional Features | Hi Res Audio |
| Antenna Location | Door |
| Is Waterproof | FALSE |
| Warranty Type | Full |
| Control Method | Touch |
| Speaker Size | 6 Inches |
| Woofer Diameter | 6 Inches |
| Tweeter Diameter | 0.5 Inches |
| Specific Uses For Product | Vehicle audio upgrades, Replacing factory speakers in specific Ford models |
| MP3 player | No |
| Controller Type | Button |
| Unit Count | 1.0 Count |
| Item Dimensions D x W x H | 11"D x 17"W x 13"H |
| Compatible Devices | MP3 Player, Desktop, Television, Projector, Laptop |
| Compatible with Vehicle Type | Car |
| Power Source | Corded Electric |
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