2015 Lincoln Navigator Speaker Sizes and Audio System Guide
2015 Lincoln Navigator Speaker Sizes and Audio System Guide
This page covers the 2015 Lincoln Navigator’s factory speaker locations, original equipment sizes, and the key notes to check before planning an upgrade. Equipment can vary by trim, body style, or audio package, so factory amplifier details should be verified by trim and audio package. Selected audio systems may also include additional components, and the information here is based on the model data provided for this generation.
Data verified by Nick Marchenko, PhD
Speaker Size Chart – 2015 Lincoln Navigator
Use this table as the main reference. Fitment depends on trim, factory audio package, mounting depth, and adapter availability.
| Location | Type | Factory Size | Note |
|---|---|---|---|
| Front Door | Full-Range | 6 x 8 inch | |
| Rear Door | Full-Range | 6 x 8 inch |
Generic speaker location diagram. The table above shows the specific factory sizes for this vehicle. Exact location details may vary by body style and trim.
Speaker Count by Trim – 2015 Lincoln Navigator
Speaker count and audio equipment vary by trim and factory audio package. This table lists known configurations from our database.
| Trim | Speakers | Amplifier | Radio | Navigation |
|---|---|---|---|---|
| Base 4dr 4x2 | 14 | premium | SiriusXM AM/FM/HD/Satellite, seek-scan | ✓ |
| Base 4dr 4x4 | 14 | premium | SiriusXM AM/FM/HD/Satellite, seek-scan | ✓ |
Data sourced from manufacturer specifications. Verify with the window sticker or dealer before ordering audio components.
Vehicle and Audio System Specifications
This block helps identify the vehicle and its audio system configuration for fitment decisions.
What Speakers Fit the 2015 Lincoln Navigator?
Aftermarket fitment should start with the factory speaker locations listed above, but diameter alone is not enough. Check mounting depth, bracket fit, connector type, and whether the vehicle has a premium or factory-amplified audio system. For the 2015 Lincoln Navigator, the listed front and rear door speakers are 6 x 8 inch full-range units, so replacement choices should be matched to those openings rather than size alone. Factory amplifier details should be verified by trim and audio package.
Usually Safe Upgrades
- If your vehicle uses the front door 6 x 8 inch full-range location, a matching 6 x 8 inch replacement is the safest starting point.
- If your vehicle uses the rear door 6 x 8 inch full-range location, look for the same 6 x 8 inch size and confirm the mounting pattern before buying.
- If your vehicle is equipped with a premium or factory-amplified audio system, choose speakers that are compatible with that setup.
- If equipped, any factory tweeters or subwoofer-related upgrades should be matched to the audio package rather than assumed from the base speaker layout.
Check Before Buying
- Confirm the speaker location first, since the Navigator uses different positions for front and rear door speakers.
- Measure mounting depth and compare the factory bracket or adapter requirements before ordering.
- Check the connector style so the replacement matches the vehicle wiring.
- Verify whether your trim has a premium amplifier, since speaker compatibility can change with the audio system.
- Use the trim audio table as a guide, because equipment can vary by trim and audio package.
Installation Notes
The 2015 Lincoln Navigator uses 6 x 8 inch full-range speakers in the front and rear doors, and the factory audio setup can vary by trim. Before starting, verify the trim and audio package so you can match the speaker count and amplifier setup correctly. Door panel removal is required, so work carefully around clips, switches, and wiring to avoid damage. Check speaker depth before ordering new speakers, since the door structure and mounting space can affect fitment. In many cases, mounting adapters and harness adapters are helpful for keeping the installation clean and reducing the need to cut factory wiring. If your vehicle has the factory subwoofer, confirm its location and integration before planning the upgrade. After installation, test each speaker for polarity, balance, and clear output before reinstalling all trim panels. Taking time to route wiring neatly and secure everything properly will help prevent rattles and future service issues.
Moderate difficulty, mainly because door panel removal, factory wiring, and fitment checks require careful attention.
Common Mistakes When Replacing Speakers
When shopping for speakers in a 2015 Lincoln Navigator, the biggest problems usually come from assuming every vehicle is the same instead of verifying the actual audio setup on the truck.
- Buying based only on the body-style label instead of checking actual speaker locations on the vehicle.
- Ignoring trim and audio package differences, since factory amplifier details should be verified by trim and audio package and the speaker count can change with the system.
- Choosing speakers without confirming mounting depth and available clearance behind the door panel, which can cause fitment issues even when the size looks correct.
- Not checking the factory connector style before ordering adapters or wiring parts, which can slow the install and create connection problems.
- Assuming tweeters or a factory subwoofer are part of every setup, when selected audio systems may include them if equipped and they should be confirmed on the vehicle.
- Reassembling the door panels before testing each speaker, because it is much easier to catch wiring or polarity problems before everything is put back together.
Generation & Model Family
The 2015 Lincoln Navigator belongs to the Third generation (U326) - Facelift (2015–2017) family. Nearby model years often share similar speaker locations and audio layouts, but exact fitment can vary by trim and audio package – verify before ordering.
Recommended Upgrade Path
The 2015 Lincoln Navigator uses a factory speaker layout that centers on front and rear door speakers, while trim and audio package details can vary. Some versions include a premium amplifier, so the best upgrade path depends on the system already in the vehicle. Start with the area that matters most to your listening goals, then build from there.
| Goal | Best Upgrade Path | Why |
|---|---|---|
| Better clarity | Upgrade the front door speakers first, then add front-stage tweeters if your system is equipped for them or if you are building a more detailed front soundstage. | The front stage does the most work for vocals, instruments, and stereo imaging, so improving it usually gives the cleanest jump in clarity. |
| More bass | Add an aftermarket subwoofer system to complement the factory speakers and keep the low end separate from the door speakers. | A dedicated subwoofer handles deep bass more effectively than door speakers alone, which helps the system sound fuller without pushing the factory speakers too hard. |
| Louder sound | Properly matched speakers and amplifier integration can improve volume and reduce distortion. Verify factory amp and premium system integration before adding aftermarket amplifiers. | Higher output only helps when the speakers and amplification are matched correctly, especially on vehicles that may already use a premium factory amplifier. |
| Budget improvement | Replace the front door speakers first with same-size replacement speakers and the correct mounting brackets, then upgrade the rear doors later if needed. | The front doors carry the most important part of the sound, so this approach gives the best value without replacing the entire system at once. |
| Factory look | Use same-size replacement speakers with the correct mounting brackets and harness adapters for a clean install that preserves the factory wiring and appearance. | This keeps the cabin looking original while still improving sound, and it avoids unnecessary changes to the vehicle’s interior finish. |
Mounting Adapters and Wiring
The same nominal diameter does not guarantee a direct mount. Before ordering, confirm:
- Speaker depth: Aftermarket speakers often have larger magnets – measure available depth at each location.
- Mounting brackets: Door locations typically need a bracket or spacer to clear the window regulator and achieve correct mounting depth.
- Wiring harness adapters: Use a plug-and-play harness adapter to preserve factory wiring.
- Tweeter mounting cups: Replacing OEM tweeters may require surface-mount cups or brackets depending on the location.
- Factory or premium amplified systems: If the vehicle has a premium or factory-amplified audio system, confirm how the factory radio, amplifier, and speakers are connected before adding aftermarket amplifiers. Depending on the setup, a line output converter, DSP, integration harness, or professional installation may be needed.
- Connector type: Factory connectors vary by trim and model year – confirm compatibility before splicing or using an adapter.
Frequently Asked Questions
What size are the front door speakers in a 2015 Lincoln Navigator?
The front door speakers are 6 x 8 inch full-range units. This model year data lists that size directly for the front doors.
What size are the rear door speakers in a 2015 Lincoln Navigator?
The rear door speakers are also 6 x 8 inch full-range units. The speaker data for this model year shows the same size in the rear doors.
Does the 2015 Lincoln Navigator have a factory subwoofer?
A factory subwoofer is not listed in the available data. If equipped on a specific audio package, it should be verified by trim and audio system.
Do I need mounting adapters to replace the speakers?
Mounting adapters may be needed depending on the replacement speaker design and the vehicle’s factory mounting points. The listed speaker sizes are 6 x 8 inch front and rear, so matching those dimensions is a good starting point.
Can I replace the speakers without replacing the radio?
Yes, speaker replacement can be done without replacing the radio. The factory radio can stay in place while you upgrade the front and rear door speakers.
Does the 2015 Lincoln Navigator have a factory amplifier?
Factory amplifier details should be verified by trim and audio package. The available data shows a premium amplifier on the Base 4dr 4x2 and Base 4dr 4x4 trims, but it is not universal.