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Upgrading the door speakers in your Lincoln MKZ can noticeably improve clarity, bass response, and overall in-cabin soundstage. Choosing the right speakers matters because fitment, power handling, and mounting depth directly influence installation complexity and long-term performance.This guide highlights the top shortlisted options for Lincoln MKZ door speakers and explains the criteria we used to evaluate them, including compatibility, power specs, and sound characteristics. Read on to find speakers that fit your installation goals and listening preferences.
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Top Picks at a Glance
| Best overall The best all-around choice for most situations | Kenwood KFC-1666S 6.5" 2-Way Car Door Coaxial Speaker (pair) |  |
| Best Quality Built to a higher standard if you want something more solid | JBL GTO629 6.5-Inch Coaxial Car Speakers (Pair) |  |
| Best Value The sweet spot between price and what you get | Alphasonik AS265P 6.5" 3-Way Coaxial Car Speakers (2 Pairs) |  |
| Best Budget The cheapest option that still gets the job done reliably | BOSS Audio Systems CH6530B 6.5" 3-Way Coaxial Car Door Speakers (Pair) |  |
| Highest Rated A top-rated pick with lots of positive feedback | Rockford Fosgate Punch P1683 6×8 3-Way Coaxial Car Speakers (Pair) |  |
| Most Popular A crowd favorite that many people choose with confidence | KICKER DSC6804 6×8" DS Series Coaxial Speaker Kit for Lincoln MKX/MKZ (Pair) with Harness |  |
| Best Seller A high-volume bestseller chosen again and again | BOSS Audio Systems CH6530 6.5" Chaos Series 3-Way Car Door Speakers (Pair) |  |
1. Kenwood KFC-1666S 6.5" 2-Way Car Door Coaxial Speaker (pair)
| Speaker Size | 6.5 Inches |
|---|---|
| Impedance | 4 Ohms |
| Sensitivity | 90dB |
| Frequency Response | 40 – 22000 Hz |
| Tweeter Diameter | 1 Inches |
These Kenwood 6.5" two-way coaxial speakers are designed as a direct-style replacement for factory door speakers and deliver clear vocals and crisp highs thanks to the 1" balanced dome tweeter and polypropylene cone. They are typically used as front or rear door upgrades driven by a factory radio or a modest aftermarket amp and are shallow enough for many factory door locations. Notable features include a treated cloth surround, ferrite magnet motor structure, 4 ohm impedance and a claimed frequency response down to 40 Hz, which produces decent full-range sound without needing a separate midwoofer. In practical terms they are loud, easy to wire, and improve clarity over stock Lincoln MKZ door speakers while remaining forgiving when run from a factory head unit. Limitations are modest bass extension compared with larger or component systems and occasional fitment quirks with mounting hole patterns that may require adapters or small installation work to line up with some door brackets. For balanced everyday listening they offer a dependable upgrade at a practical price point.
Best for: Balanced, all-round buyers who want a straightforward, noticeable upgrade to their Lincoln MKZ door speakers without chasing audiophile bass or adding an external amp.
Less Ideal for: If you prioritize deep bass or want a high-end component system for detailed staging, this coaxial set is not the best choice and a component speaker plus subwoofer would be better.
- Clear midrange and treble from the 1" balanced dome tweeter
- Shallow top-mount depth suits many factory door locations
- 90 dB sensitivity and 4 ohm impedance make them easy to drive with a factory radio
- Polypropylene cone and treated cloth surround for durable everyday use
- Limited deep bass compared with larger or component speaker systems
- Mounting hole pattern may not match every vehicle and can require adapters or minor modification
Verdict: A practical, easy-to-drive 6.5" coaxial speaker that noticeably improves clarity in Lincoln MKZ doors while remaining budget-friendly, with limited bass depth.
2. JBL GTO629 6.5-Inch Coaxial Car Speakers (Pair)
| Speaker Size | 6.5 Inches |
|---|---|
| Impedance | 3 Ohms |
| Tweeter Diameter | 0.75 Inches |
| Maximum Output Power | 180 Watts |
| Signal-to-Noise Ratio | 93 dB |
The JBL GTO629 is a 6.5-inch coaxial speaker pair aimed at drivers who want a clear, punchy upgrade for factory door speakers in cars like the Lincoln MKZ. These speakers use a larger carbon-injected cone and pivoting tweeters so you can aim high frequencies toward the listener for improved imaging in the front doors. They handle up to 180 watts peak and have a low 3 ohm impedance that makes them responsive with most aftermarket head units and modest amplifiers. In practice the GTO629s deliver strong mids and articulate highs with more perceived bass than stock speakers, which helps for radio and streamed music without immediately needing a subwoofer. Installation is straightforward in common 6.5-inch openings, though door adapter rings or minor trimming may be needed in some MKZ panels. The speakers can be driven loud and remain clear, but at extreme volume some distortion appears and they are not a substitute for component systems if you want pro-level separation or deeper low bass. For a quality, direct door upgrade they offer a noticeable sonic improvement.
Best for: Performance-oriented buyers who prioritize louder, clearer door sound and want a substantial factory-speaker upgrade for a Lincoln MKZ without moving to separate component sets.
Less Ideal for: Owners seeking a high-fidelity component setup with separate midrange and tweeters or deep bass from door speakers alone should consider component speakers plus a subwoofer instead.
- Pivoting tweeters allow aiming high frequencies toward the listener for better imaging
- Carbon-injected woofer cone provides stronger bass response than typical factory speakers
- Handles up to 180 watts peak for louder output when paired with an aftermarket head unit or amp
- Built for common 6.5-inch mounting so installation into Lincoln MKZ front doors is usually straightforward
- Low 3 ohm impedance can demand more from some head units and may need an amplifier for best control
- May show distortion at extreme volume levels and is not a replacement for a component system for audiophile users
Verdict: A robust 6.5-inch coaxial that gives Lincoln MKZ drivers a clear, louder factory-style door upgrade with pivoting tweeters for better sound staging.
3. Alphasonik AS265P 6.5" 3-Way Coaxial Car Speakers (2 Pairs)
| Speaker Size | 6.5 Inches |
|---|---|
| Impedance | 4 Ohms |
| Tweeter Diameter | 1 Inches |
| Power (per speaker) | 35 Watts RMS |
| Sensitivity | 92 dB |
The Alphasonik AS265P is a four-piece 6.5" 3-way coaxial speaker set intended to replace factory door speakers and boost in-car sound without adding an external amplifier. In use these speakers deliver clearer midrange and crisper highs than typical stock drivers thanks to a 1" tweeter and polypropylene cone construction, and they include grilles and mounting hardware for a straightforward swap. Rated at 35 watts RMS per speaker with a 4 ohm impedance and 92 dB sensitivity, they are suited to being driven by a factory head unit and will provide louder, more detailed playback than low-end OEM units. Practical benefits include universal mounting holes for easier fitment and a shallow mounting depth for tight door pockets. Limitations are apparent when pushing heavy bass or high power; bass depth is modest for a 6.5" coaxial and the small ferrite magnets mean they do not match higher-end or amplified setups. Installation quality and sealing will affect longevity in door environments, and customer support has mixed reports. For a cost-conscious upgrade that improves clarity and volume over stock speakers, the AS265P is a solid option if you accept modest low-end performance.
Best for: A practical optimizer looking to noticeably improve door speaker clarity and volume on a budget while keeping installation simple and mostly using the stock head unit.
Less Ideal for: Audiophiles seeking deep bass or those planning a high-power, amp-driven system should consider component speakers or powered options instead.
- Includes four 6.5" coaxial speakers with grilles and mounting hardware for a complete door-speaker replacement
- 92 dB sensitivity and 4 ohm impedance make them easy to drive from a factory head unit
- Shallow mounting depth and universal holes simplify installation in tight door locations
- Polypropylene cones and polyetherimide tweeters resist distortion at higher volumes
- Bass extension is limited for listeners who want deep low-end from door speakers
- 35 W RMS per speaker means they will benefit from an amplifier for louder, cleaner playback
- Mixed reports on manufacturer support and some fitment adaptation may be required for certain vehicles
Verdict: A budget-friendly, easy-to-install factory-style upgrade that improves clarity and volume over stock Lincoln MKZ door speakers but delivers only modest bass unless paired with an amp.
4. BOSS Audio Systems CH6530B 6.5" 3-Way Coaxial Car Door Speakers (Pair)
| Speaker Type | Coaxial |
|---|---|
| Speaker Size | 6.5 Inches |
| Impedance | 4 Ohms |
| Tweeter Diameter | 0.5 Inches |
| Woofer Diameter | 6.5 Inches |
The BOSS CH6530B are 6.5-inch, 3-way coaxial door speakers intended as an affordable replacement for worn factory units. They pair a 6.5-inch poly cone woofer with a 1-inch midrange and a 0.5-inch piezo tweeter to extend frequency output and add clarity to vocals and treble. Typical use is direct replacement in door locations driven by a factory head unit; installation is straightforward with common adapter rings and basic wiring. Practical benefits include noticeable improvement over stock speakers at low cost, lightweight construction that eases mounting, and compatibility with standard 4-ohm factory outputs. Limitations are measurable: frequency response starts at about 100 Hz so bass depth is limited without an amplifier or subwoofer, long-term durability is mixed in user reports, and piezo tweeters can sound bright compared with higher-end silk or metal domes. For Lincoln MKZ owners these are a quick, low-cost way to refresh door audio but they are not a high-fidelity or high-power competition upgrade.
Best for: Budget-conscious drivers looking to replace tired Lincoln MKZ door speakers with an inexpensive, easy-to-install upgrade that prioritizes clearer mids and highs over deep bass.
Less Ideal for: Audiophiles or owners seeking deep bass and high-power handling should consider a system with a dedicated amplifier and better low-frequency drivers instead of these basic door speakers.
- Three-way coaxial design adds separate mid and tweeter drivers for clearer mids and highs
- Fits standard 6.5-inch door locations and installs with common adapter rings
- Lightweight build simplifies mounting and reduces strain on door panels
- Compatible with standard 4-ohm factory head unit outputs for plug-and-play replacement
- Limited low-frequency extension starting around 100 Hz, so bass is thin without a sub or amp
- Build quality and long-term reliability are inconsistent across user reports
Verdict: A very affordable, easy-to-fit 6.5-inch replacement that noticeably improves mids and highs in Lincoln MKZ doors without requiring amplifier upgrades.
5. Rockford Fosgate Punch P1683 6×8 3-Way Coaxial Car Speakers (Pair)
| Speaker Type | Coaxial |
|---|---|
| Power (Max) | 130 Watts |
| Impedance | 4 Ohms |
| Frequency Response | 65 Hz |
| Speaker Size | 8 Inches |
The Punch P1683 delivers a performance-focused 6×8 coaxial speaker option for Saturn Vue owners looking to upgrade factory sound without major modifications. Each pair combines a 6-inch woofer with an integrated PEI dome tweeter and built-in crossover to produce clearer highs and tighter mids than typical stock speakers. The mineral-filled polypropylene cone and butyl rubber surround resist cone flex at higher volumes so the speakers maintain definition up to their 130 watt peak power rating. The FlexFit basket helps align the speaker to factory mounting points for easier install into many 6×8 openings. In real-world use the P1683s provide noticeably more presence and cleaner treble for modern music, and they pair well with a small amplifier if you want extra headroom. Expect improved clarity and louder, punchier sound compared with stock units, but keep in mind they are not weatherproof and require proper mounting and wiring to avoid distortion at extreme volumes.
Best for: Performance-oriented buyers who prioritize clearer highs and stronger midbass from a direct-fit 6×8 replacement and want a durable, factory-style upgrade for daily driving and spirited listening.
Less Ideal for: Users seeking weatherproof or marine-rated speakers or those who need a plug-and-play wireless audio solution should consider other options.
- 3-way coaxial design with PEI dome tweeter for clearer high frequencies
- Mineral-filled polypropylene cone and butyl rubber surround for controlled midbass output
- 65 Watts RMS (130 W peak) provides higher output than typical factory speakers
- FlexFit basket eases alignment with factory mounting holes for simpler installation
- Not waterproof so not suited for exposed or heavily humid installations
Verdict: The P1683 pair gives Saturn Vue owners a high-quality, direct-fit 6×8 upgrade that delivers clearer highs and punchier midbass with easy factory-style installation.
6. KICKER DSC6804 6×8" DS Series Coaxial Speaker Kit for Lincoln MKX/MKZ (Pair) with Harness
| Speaker Type | Coaxial |
|---|---|
| Speaker Maximum Output Power | 200 Watts |
| Impedance | 4 Ohms |
| Frequency Response | 45 Hz |
This KICKER DS Series kit replaces the front door speakers on Lincoln MKX and MKZ 2007–2009 with a plug-and-play pair plus harnesses for simple installation. The 2-way coaxial design pairs a polypropylene woofer with a 1/2" dome tweeter to deliver clear highs and strengthened low-end; KICKER rates the pair at 200 watts peak and a sensitivity around 90 dB so they play louder than typical factory speakers without an amp. The included harnesses eliminate cutting or splicing, making the swap straightforward for a convenience-focused owner. Construction features like ribbed surrounds and UV-treated parts aim to keep performance stable over time in a car environment. Limitations are that the listing emphasizes peak power instead of continuous RMS specifications and the kit is specifically built for 2007–2009 MKX/MKZ door fitment, so it is not a universal solution. Expect noticeably improved clarity and volume over stock speakers with minimal installation hassle, especially if you want a quick factory-style upgrade.
Best for: Convenience-driven buyers who want a quick, factory-style sound upgrade for their Lincoln MKZ/MKX 2007–2009 without complex wiring or long installation times.
Less Ideal for: Audiophiles seeking exact RMS power ratings, custom-tuned systems, or owners of vehicles outside the 2007–2009 MKZ/MKX range should look at different options.
- Plug-and-play harnesses eliminate cutting and speed up installation
- 2-way coaxial design with dome tweeter improves clarity and high-frequency detail
- Higher sensitivity and 200 watt peak output deliver louder sound than typical factory speakers
- Polypropylene cones and ribbed surround provide durable, road-ready performance
- Peak power is listed but continuous RMS power is not specified
- Compatibility is limited to Lincoln MKX and MKZ 2007–2009 door locations
Verdict: A direct-fit, plug-and-play 6×8 speaker kit that noticeably upgrades volume and clarity in Lincoln MKX/MKZ 2007–2009 doors with minimal installation effort.
7. BOSS Audio Systems CH6530 6.5" Chaos Series 3-Way Car Door Speakers (Pair)
| Speaker Size | 6.5 Inches |
|---|---|
| Impedance | 4 Ohms |
| Speaker Type | 3-Way Coaxial |
| Sensitivity | 90 dB |
The BOSS CH6530 pair are 6.5-inch coaxial door speakers designed to replace factory units in compatible vehicles. They combine a poly injection cone woofer with a 0.5-inch piezo tweeter and a 1-inch midrange to deliver a full-range sound for everyday listening. Typical use is as a direct speaker replacement in door locations where 6.5-inch speakers fit; buyers report easier installation when adapter rings or mounting holes match factory locations. The speakers list 300 watts peak power and a 90 dB sensitivity, which helps them play loudly with stock head units, and the stamped basket and rubber surround offer a durable, low-cost construction. Limitations to consider are the piezo tweeter design, which gives bright highs but less refined detail than silk or polymer dome tweeters, and some owners note missing adapter hardware requiring extra mounting parts. For risk-averse Lincoln MKZ owners seeking a reliable, budget-friendly door speaker swap, these provide clear improvement over many worn factory units but they are not a high-end audiophile upgrade.
Best for: Practical, risk-averse buyers who prioritize a dependable, low-cost factory-style replacement for worn door speakers and want a straightforward improvement without upgrading other audio components.
Less Ideal for: Audiophiles looking for the most refined midrange and treble or Lincoln MKZ owners wanting a high-end component upgrade and factory-quality dome tweeters should consider higher-tier options.
- Full-range 3-way design covers lows, mids, and highs without separate components
- High sensitivity (90 dB) that helps drive louder sound from stock head units
- Rubber surround and stamped basket for durable, budget-oriented construction
- Includes a 3-year online dealer warranty when purchased through qualifying channels
- Piezo tweeter offers bright highs but less smooth high-frequency detail than dome tweeters
- May require adapter rings or additional mounting hardware for some factory door openings
Verdict: A cost-effective, easy-to-install 6.5-inch 3-way pair that reliably upgrades faded factory door speakers for everyday listening.
Choosing the Right Lincoln MKZ Door Speakers: Key Factors to Consider
Fitment and Mounting Depth
Correct fitment is the first barrier to a successful speaker upgrade. Door openings on the Lincoln MKZ have limited space behind the grille and inside the door cavity, so mounting depth and overall diameter must match or be adaptable with brackets. If a speaker is too deep it can contact window mechanisms or insulation, creating noise or preventing window operation.
Pay attention to mounting hole patterns and whether your chosen speakers use the same screw locations or require an adapter plate. Some aftermarket door speakers offer shallower designs specifically for tight spaces; these can save time and avoid trimming or professional fabrication.
Power Handling and Amplifier Needs
Power handling ratings tell you how much continuous and peak power a speaker can tolerate. Matching these figures to your head unit or amplifier helps avoid damage and ensures optimal performance. A speaker with low power handling may distort or fail if paired with a high-output amplifier, while a high-handling speaker will typically demand more power to reach the same perceived loudness.
Consider whether you will use the factory stereo or add an external amplifier. Speakers with higher sensitivity are a good option when you intend to keep the stock head unit, since they produce more volume per watt. For larger setups or louder listening, prioritize durable voice coils and higher RMS ratings.
Speaker Type: Component Vs Coaxial
Component door speakers separate the tweeter from the woofer, offering more precise imaging and treble clarity when properly installed. Coaxial speakers combine tweeter and woofer into one assembly and simplify installation, making them a practical upgrade for many door locations.
For the Lincoln MKZ, coaxial units often reduce installation time and avoid additional tweeter mounting. Component speakers can yield better separation and detail but may require custom mounting or additional dash or pillar tweeter locations. Choose the type that matches your priorities for soundstage detail versus installation simplicity.
Sensitivity and Listening Source
Sensitivity indicates how loudly a speaker plays with a given input power and is measured in decibels per watt at one meter. Higher sensitivity speakers are preferable when running off the factory head unit because they produce greater volume for the same power. Lower sensitivity speakers often need an amplifier to reach the same levels without distortion.
Think about your typical listening volume and whether you plan to add an amp. If you mainly use the stock system and listen at moderate volumes, prioritize sensitivity. If you plan to upgrade the amplifier or run louder, focus more on power handling and cone durability.
Cone and Surround Materials
Cone material affects tone, transient response, and durability. Common materials include polypropylene, mica composites, and woven fibers. Polypropylene cones are durable and moisture-resistant, making them suitable for door locations. Woven or treated fiber cones can offer a more natural midrange and finer detail but may be more sensitive to environmental factors.
Surround materials such as rubber or treated foam influence excursion and longevity. Rubber surrounds usually provide better long-term resilience against heat and humidity inside doors. Prioritize materials that balance sound goals with the environmental demands of vehicle doors.
Installation Accessories and Fitment Hardware
The availability of adapter plates, mounting brackets, harnesses, and grilles can greatly simplify a door speaker replacement. Some speakers include vehicle-specific mounting kits or clips that align with factory screw points, while others require universal hardware or modification.
Check whether speaker connectors match your factory wiring or whether you will need pigtail harnesses to avoid cutting OEM wiring. Also consider whether sound-deadening materials or foam baffles are recommended to improve acoustic sealing and reduce door resonance. These accessories affect both the ease of install and the final sound quality.
How We Chose the Best Lincoln MKZ Door Speakers
We focused on parts that fit the Lincoln MKZ door openings and mounting locations, prioritizing mechanical compatibility and realistic installation requirements. Key evaluation criteria included speaker size and mounting depth, nominal and peak power handling, sensitivity ratings as a proxy for loudness with factory head units, and overall build quality including cone material and surround durability. We also considered ease of installation such as factory connector compatibility and whether adapters or brackets are commonly needed. Listening characteristics such as midrange clarity and bass extension were factored in based on published specifications and typical performance expectations for the category. Exclusions: we did not include speakers that require major door modifications, custom enclosures, or that are clearly intended only for professional-stage use. Products that consistently failed fitment or reliability expectations were removed from consideration.
Our full evaluation process is outlined in our review methodology.
FAQ
Will aftermarket door speakers fit my Lincoln MKZ without modifying the door?
Many aftermarket door speakers are designed to fit common factory openings and will install without significant modification. Fitment depends on the speaker diameter and mounting depth. Look for units with shallow mounts or vehicle-specific adapter kits to avoid trimming or fabricating mounts.
Do I need an external amplifier for better sound in a Lincoln MKZ?
It depends on the speakers you choose and your listening habits. Higher sensitivity speakers can perform well with the factory head unit, while low-sensitivity or high-power speakers usually benefit from an external amplifier to reach clean, distortion-free volumes.
Are component door speakers worth the extra installation effort?
Component speakers can deliver improved imaging and clearer high frequencies when the tweeter is positioned properly. They are often worth it if you prioritize soundstage and detail, but they require more planning for tweeter placement and may need additional mounting hardware.
How do I avoid rattles and noise after installing new door speakers?
Rattles commonly come from poor sealing or loose trim. Use proper mounting screws, ensure the speaker frame sits flat against the door panel or adapter, and add foam baffles or sound-deadening material around the mounting area. Tighten clips and check that window mechanisms do not contact the speaker.
What speaker size should I choose for the Lincoln MKZ doors?
Choose speakers that match the factory diameter and mounting pattern for the Lincoln MKZ doors to minimize modification. If a direct-fit option is not available, shallow-mount speakers or a compatible adapter plate can allow you to use a nonstandard size while preserving door functionality.
Conclusion
When choosing Lincoln MKZ door speakers, prioritize fitment and mounting depth first, then balance sensitivity and power handling based on whether you will use the factory head unit or add an amplifier. Consider speaker type, materials, and available installation hardware to match your goals for clarity, bass, and reliability.Tradeoffs are inevitable: shallower coaxial units simplify installation but may not offer the same imaging as component setups. Decide which factors matter most for your driving and listening habits and plan the installation accordingly.
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