2007 Subaru Forester Speaker Sizes and Audio System Guide
2007 Subaru Forester Speaker Sizes and Audio System Guide
This page covers the factory speaker layout for the 2007 Subaru Forester, along with the main upgrade considerations for the stock audio system. Equipment can vary by trim, body style, and audio package, so speaker count and factory audio hardware are not the same across every version. Use the trim details here to confirm what your Forester came with before choosing replacement speakers or planning an upgrade.
Data verified by Nick Marchenko, PhD
Speaker Size Chart – 2007 Subaru Forester
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 | 6.5 inch | |
| Rear Door | Full-Range | 4 inch | |
| Rear | Subwoofer | 8 inch | if equipped |
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.
Recommended Speakers for the 2007 Subaru Forester
Selected aftermarket speakers that match the factory sizes for this vehicle. Always verify mounting depth, connector type, and audio package before ordering.
6.5" Speakers
4" Speakers
8" Speakers
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Speaker Count by Trim – 2007 Subaru Forester
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 |
|---|---|---|---|---|
| 2.5XT Limited 4dr All-wheel Drive | 7 | 120W | – | – |
| Sports 2.5XT 4dr All-wheel Drive | 7 | 100W | – | – |
| 2.5X 4dr All-wheel Drive | 4 | 100W | – | – |
| 2.5X L.L. Bean Edition 4dr All-wheel Drive | 4 | 120W | – | – |
| Sports 2.5X 4dr All-wheel Drive | 4 | 100W | – | – |
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.
Crossover vs SUV – Audio Differences
For this 2007 Forester, body style can affect how factory audio is packaged, but the available speaker data is not body-style specific. Different versions may vary in rear speaker placement and audio equipment, so it is best to verify the exact trim and audio package before choosing upgrades.
What Speakers Fit the 2007 Subaru Forester?
Aftermarket fitment should start with the factory speaker locations listed for this 2007 Subaru Forester, but diameter alone is not enough. Check mounting depth, bracket fit, connector type, and whether the vehicle has a factory-amplified audio system, since equipment can vary by trim and audio package. The listed rear 8-inch subwoofer is optional, so confirm whether your vehicle is equipped with that location before shopping for replacements.
Usually Safe Upgrades
- If your vehicle uses the front door location, 6.5-inch full-range speakers are the factory size to match.
- If your vehicle uses the rear door location, 4-inch full-range speakers are the factory size to match.
- If your vehicle is equipped with the rear subwoofer location, 8-inch subwoofer options should be matched to that opening and its enclosure requirements.
- If your vehicle has a factory-amplified system, speaker choice should be checked against the trim and audio package before purchase.
Check Before Buying
- Confirm the speaker location first, since front door, rear door, and optional rear subwoofer openings use different sizes.
- Measure mounting depth and compare it with the replacement speaker specifications.
- Check the connector style and any factory bracket or adapter needs before ordering.
- Verify whether your trim uses the 4-speaker or 7-speaker audio setup, since equipment can vary.
- If you are replacing the optional rear subwoofer, make sure the new part matches the factory opening and system layout.
Installation Notes
On the 2007 Subaru Forester, speaker replacement starts with careful panel removal at the front and rear doors, since the factory locations use different sizes. The front doors take 6.5-inch full-range speakers, while the rear doors use 4-inch full-range speakers. Before buying new speakers, check mounting depth and overall basket clearance so the new units do not interfere with the door panel or window hardware. Mounting adapters may be needed to match the factory openings, and a wiring harness adapter can help keep the original wiring intact. If your vehicle has the factory subwoofer, plan for a separate fitment check because the rear 8-inch location may require different hardware than the door speakers. Factory amplifier details should be verified by trim and audio package, especially on trims with 4- or 7-speaker systems. After installation, test balance, fade, and polarity before reinstalling all trim pieces to make sure every speaker is working correctly.
Moderate difficulty, since panel removal, fitment checks, and trim-specific audio equipment can affect the installation.
Common Mistakes When Replacing Speakers
The 2007 Subaru Forester can vary a lot by trim and audio package, so the biggest mistakes usually happen when buyers assume every vehicle has the same speaker and amplifier setup.
- Buying based only on the body-style label instead of checking actual speaker locations on the vehicle.
- Ignoring trim and audio package differences, since speaker count and amplifier power can change from 4 speakers to 7 speakers and from 100W to 120W depending on the trim.
- Assuming the rear 8-inch subwoofer is always present instead of verifying whether it is equipped on that specific vehicle.
- Skipping checks for mounting depth and connector style before ordering replacement speakers, which can lead to fitment problems even when the size looks correct.
- Overlooking factory amplifier details and not confirming whether the vehicle uses the 100W or 120W setup for the trim being serviced.
- Reassembling the door panels before testing the new speakers and audio connections, which makes it harder to catch wiring or polarity issues early.
Generation & Model Family
The 2007 Subaru Forester belongs to the Second generation (SG) - Facelift (2006–2008) 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 2007 Subaru Forester uses a mixed factory speaker layout, and equipment can vary by trim and audio package. A smart upgrade plan starts with the front stage, then moves to bass and system power if you want more impact. Factory amplifier details should be verified by trim and audio package before adding any new amplification.
| Goal | Best Upgrade Path | Why |
|---|---|---|
| Better clarity | Upgrade the front door speakers first, then add front tweeters if equipped or build a stronger front stage with quality component speakers and proper crossover integration. | Clarity comes from the speakers closest to the driver and passenger. Improving the front stage usually gives the biggest gain in detail, vocal presence, and high-frequency definition. |
| More bass | If the factory subwoofer is equipped, treat it as a starting point and consider an aftermarket subwoofer upgrade for deeper, cleaner low-end output. | A factory sub can be useful, but it may not deliver the bass level many buyers want. An aftermarket subwoofer adds more low-end impact and gives you more control over output. |
| 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 system is matched correctly. Good speaker sensitivity, clean power, and proper integration can raise volume without making the sound harsh or strained. |
| Budget improvement | Replace the front door speakers first with same-size replacement speakers and the correct mounting brackets, then upgrade the rear speakers later if you want more coverage. | The front doors handle the most important part of the music. Starting there gives the best improvement per dollar and keeps the upgrade focused on the speakers you hear most. |
| 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 approach keeps the cabin looking original while still improving sound. It also helps maintain a tidy installation and avoids unnecessary changes to the interior. |
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 2007 Subaru Forester?
The front door speakers are 6.5 inch full-range units. This size is listed for the model year data provided, so it is the main front speaker size to plan around.
What size are the rear door speakers?
The rear door speakers are 4 inch full-range units. That smaller rear size is part of the factory speaker layout for this Forester.
Does the 2007 Subaru Forester have a factory subwoofer?
A rear 8 inch subwoofer is listed if equipped. It appears to be trim-dependent, so factory audio equipment should be verified by trim and audio package.
Do I need mounting adapters to replace the factory speakers?
Mounting adapters may be needed depending on the speaker location and the replacement speaker design. The factory sizes are 6.5 inch in front and 4 inch in the rear, so matching the opening is important.
Can I replace the speakers without replacing the radio?
Yes, speaker replacement can be done without changing the radio. The factory radio can stay in place as long as the new speakers are matched correctly to the vehicle’s speaker locations and audio setup.
Does the 2007 Subaru Forester have a factory amplifier?
Factory amplifier details should be verified by trim and audio package. The provided data shows an amplifier on some trims, with power ratings that vary by version.