2011 Honda Accord Speaker Sizes and Audio System Guide
2011 Honda Accord Speaker Sizes and Audio System Guide
This page covers the factory speaker layout, common speaker locations, and upgrade notes for the 2011 Honda Accord. Equipment can vary by trim, body style, and audio package, so some models include different speaker counts or optional tweeters and subwoofers. Factory amplifier details should be verified by trim and audio package, since the audio setup is not the same across every version of this generation.
Data verified by Nick Marchenko, PhD
Speaker Size Chart – 2011 Honda Accord
Use this table as the main reference. Fitment depends on trim, factory audio package, mounting depth, and adapter availability.
| Location | Type | Factory Size | Note |
|---|---|---|---|
| Rear Deck Corner | Full-Range | 6.75 inch | |
| Front Door | Tweeter | 1 inch | if equipped |
| Front Door | Full-Range | 6.5 inch | |
| Rear Deck Center | 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.
Speaker Count by Trim – 2011 Honda Accord
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 |
|---|---|---|---|---|
| 2.4 EX 2dr Coupe | 7 | 270W | – | – |
| 2.4 EX-L 2dr Coupe | 7 | 270W | – | – |
| 2.4 EX-L 4dr Sedan | 7 | 270W | – | – |
| 3.5 EX-L 2dr Coupe | 7 | 270W | – | – |
| 3.5 EX-L 4dr Sedan | 7 | 270W | – | – |
| 2.4 EX 4dr Sedan | 6 | – | – | – |
| 2.4 LX 4dr Sedan | 6 | – | – | – |
| 2.4 LX-P 4dr Sedan | 6 | – | – | – |
| 2.4 LX-S 2dr Coupe | 6 | – | – | – |
| 2.4 SE 4dr Sedan | 6 | – | – | – |
| 3.5 EX 4dr Sedan | 6 | – | – | – |
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.
Body Style Audio Differences
This 2011 Honda Accord uses the same core speaker layout across the model, but equipment can vary by body style and trim. Rear speaker placement, factory amplifier availability, and optional audio features may differ depending on the configuration. Check the specific vehicle’s audio package before choosing replacement speakers or upgrades.
What Speakers Fit the 2011 Honda Accord?
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. This Accord uses 6.5-inch front door full-range speakers and 6.75-inch rear deck corner full-range speakers, with front door tweeters and a rear deck center subwoofer only if equipped. Factory amplifier details should be verified by trim and audio package.
Usually Safe Upgrades
- If your vehicle uses the front door full-range location, a 6.5-inch replacement is the starting point for fitment.
- If your vehicle uses the rear deck corner full-range location, a 6.75-inch replacement matches the factory opening.
- If your vehicle has front door tweeters, 1-inch tweeter replacements may be used in that location if equipped.
- If your vehicle includes the rear deck center subwoofer, 8-inch subwoofer options should be matched to that opening if equipped.
Check Before Buying
- Confirm the exact trim and audio package before ordering, since speaker count and amplifier setup can vary.
- Measure mounting depth and check the factory bracket or adapter style before choosing a replacement speaker.
- Verify connector type and wiring layout so the new speaker matches the vehicle harness correctly.
- If you are replacing tweeters or the subwoofer, make sure those locations are actually present on your vehicle.
Installation Notes
The 2011 Honda Accord uses different speaker layouts depending on trim and audio package, so it is important to confirm the exact system before starting. Front door speakers are listed at 6.5 inches, rear deck corner speakers are 6.75 inches, and some vehicles may also have a 1 inch tweeter in the front door and an 8 inch rear deck center subwoofer. If your vehicle has the factory subwoofer, plan for extra checks around the rear deck area before removing panels. Careful panel removal is important to avoid breaking clips or damaging trim pieces. When replacing speakers, verify speaker depth and mounting clearance so the new speaker will not interfere with the door glass, brackets, or rear deck structure. Mounting adapters and wiring harness adapters may be needed to match the factory openings and connectors. If the vehicle has a factory amplifier, confirm compatibility by trim and audio package before choosing replacement speakers. Always test each speaker after installation to make sure polarity, balance, and fade are correct before reassembling the interior.
Moderate, because trim-dependent audio equipment and panel access can make the installation more involved.
Common Mistakes When Replacing Speakers
The 2011 Honda Accord can vary by trim and audio package, so the biggest installation mistakes usually come from assuming every car is wired the same.
- Buying based only on the body-style label instead of checking actual speaker locations on the vehicle.
- Skipping trim and audio package verification, which matters because the speaker count can be 6 or 7 and the factory amplifier is present on some trims but not universal.
- Assuming the front door tweeter is always present, when it is listed as if equipped and should be confirmed before ordering parts.
- Ignoring the rear deck subwoofer if equipped, which can change the system layout and the parts needed for a proper upgrade.
- Not checking mounting depth and connector style before buying speakers, which can lead to fitment problems even when the size looks correct on paper.
- Reassembling the doors or rear panels before testing the system, which makes it harder to catch wiring, polarity, or channel issues early.
Generation & Model Family
The 2011 Honda Accord belongs to the Eighth generation (CP2-CP3) - Facelift (2011–2012) 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 2011 Honda Accord offers a 6 to 7 speaker setup depending on trim, so the best upgrade path depends on the audio package your car has. Front-stage improvements usually deliver the biggest everyday gain, while some trims may also include factory amplification or a subwoofer. Checking trim and audio equipment first helps you choose the right parts and avoid mismatched upgrades.
| Goal | Best Upgrade Path | Why |
|---|---|---|
| Better clarity | Start with the front doors and front tweeters if equipped, then move to the rear speakers if you want a fuller soundstage. | Cleaner highs and mids usually come from the front stage, and this Accord can include tweeters on some audio systems. Upgrading those speakers first gives the most noticeable improvement in detail and vocal clarity. |
| More bass | If your car has the factory subwoofer, consider replacing it carefully or adding an aftermarket subwoofer system to handle low frequencies more effectively. | Some trims list an 8-inch rear deck center subwoofer if equipped, so bass upgrades should account for the existing setup. A dedicated aftermarket sub can add deeper low-end output without relying only on the factory speakers. |
| Louder sound | Use properly matched speakers and amplifier integration to improve volume and reduce distortion, and verify factory amp or premium system details before adding aftermarket amplification. | This Accord has trim-dependent amplifier equipment, so integration matters before increasing power. Matching the speakers and amp correctly helps the system play louder while staying clean at higher volume. |
| Budget improvement | Replace the front door speakers first with same-size replacement speakers and the correct mounting brackets. | The front doors handle the most important everyday audio, so they are the best place to spend a limited budget. Same-size replacement speakers with the right brackets give a solid improvement without needing a full system overhaul. |
| 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 the factory wiring layout, which is useful when you want a neat upgrade that blends in with the stock 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 2011 Honda Accord?
The front door full-range speakers are 6.5 inches. Tweeters are 1 inch if equipped, and they may appear on certain audio systems.
What size speakers are in the rear of the 2011 Honda Accord?
Rear deck corner speakers are 6.75 inches. If the vehicle has the optional factory subwoofer, it is listed as an 8-inch unit in the rear deck center.
Does the 2011 Honda Accord have a factory subwoofer?
Some audio systems may include an 8-inch rear deck center subwoofer if equipped. It is trim-dependent, so the audio package should be checked before planning upgrades.
Can I replace the speakers without replacing the radio?
Yes, speaker upgrades can be done while keeping the factory radio. The exact approach depends on the trim and audio package, especially if the vehicle has factory amplification.
Do I need mounting adapters for speaker replacement?
Mounting adapters may be needed because the listed speaker sizes vary by location. Check the front door and rear deck openings before choosing new speakers.
How do I know if my Accord has a factory amplifier?
Factory amplifier details should be verified by trim and audio package. Some trims list a 270W amplifier, while others do not list one.