2020 Honda Odyssey Speaker Sizes and Audio System Guide
2020 Honda Odyssey Speaker Sizes and Audio System Guide
This page covers the 2020 Honda Odyssey factory speaker layout, common speaker locations, and upgrade notes based on generation data. Equipment can vary by trim, body style, or audio package, so factory amplifier details should be verified before ordering parts. Some models may also include a tweeter or subwoofer if equipped, while others use a simpler setup. Use the trim table below to compare audio systems and confirm what your vehicle has.
Data verified by Nick Marchenko, PhD
Speaker Size Chart – 2020 Honda Odyssey
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 Pillar | Tweeter | 3.5 inch | if equipped |
| Front Door | Full-Range | 6.5 inch | |
| Rear Door | Full-Range | 6.5 inch | |
| Center Dash | Full-Range | 3.5 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.
Speaker Count by Trim – 2020 Honda Odyssey
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 |
|---|---|---|---|---|
| Elite Passenger Van | 11 | 550W | SiriusXM AM/FM/HD/Satellite, seek-scan | ✓ |
| EX Passenger Van | 7 | – | SiriusXM AM/FM/HD/Satellite, seek-scan | – |
| EX-L Passenger Van | 7 | – | SiriusXM AM/FM/HD/Satellite, seek-scan | – |
| EX-L w/Navi & RES Passenger Van | 7 | – | SiriusXM AM/FM/HD/Satellite, seek-scan | ✓ |
| LX Passenger Van | 7 | – | AM/FM stereo, seek-scan | – |
| Touring Passenger Van | 7 | – | 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 2020 Honda Odyssey?
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 2020 Honda Odyssey, the listed speaker layout is based on generation data, so verify before ordering. The rear 8-inch subwoofer is listed as optional, and selected audio systems may also include tweeters if equipped.
Usually Safe Upgrades
- If your vehicle uses the front door 6.5-inch location, that is the main size to match for replacement speakers.
- If your vehicle uses the rear door 6.5-inch location, look for speakers that match that opening and its mounting depth.
- If your vehicle uses the center dash 3.5-inch location, compact full-range speakers are the size to compare first.
- If your vehicle uses the front pillar 3.5-inch tweeter location, replacement tweeters should be matched carefully if equipped.
- If your vehicle uses the rear 8-inch subwoofer location, subwoofer replacement should be matched to the factory opening if equipped.
Check Before Buying
- Verify the speaker location on your specific Odyssey before ordering, since the 2020 fitment details are based on generation data.
- Confirm mounting depth and overall speaker frame clearance, not just the listed diameter.
- Check the connector style and whether an adapter or harness is needed for your audio system.
- Factory amplifier details should be verified by trim and audio package, since speaker counts vary from 7 to 11.
- If you are replacing a tweeter or subwoofer, confirm that your vehicle is equipped with that location before buying.
Installation Notes
The 2020 Honda Odyssey uses generation-based speaker data, so verify the exact audio package before ordering parts. Front pillar tweeters may be present if equipped, while the front doors, rear doors, and center dash use 6.5-inch or 3.5-inch full-range locations based on the system. If your vehicle has the factory subwoofer, plan for additional rear audio hardware during the upgrade. Panel removal is required at the door and dash locations, so work carefully to avoid breaking clips or scratching trim. Check speaker depth before installation, since some aftermarket speakers may need mounting adapters or spacing to clear the factory opening and window track. A harness adapter can simplify wiring and help preserve the factory connector. If the vehicle has an amplified system, confirm the factory amplifier details by trim and audio package before choosing speakers or integration parts. After installation, test balance, fade, and all speaker locations before reassembling the panels.
Moderate difficulty, since access, trim removal, and trim-dependent audio equipment can affect the install.
Common Mistakes When Replacing Speakers
The safest way to shop for the 2020 Honda Odyssey audio system is to verify the actual speaker layout and trim-specific equipment before ordering parts.
- Buying based only on the body-style label instead of checking actual speaker locations on the vehicle.
- Assuming every trim uses the same audio setup when speaker count, amplifier, and navigation features can change by trim or audio package.
- Ordering speakers without confirming mounting depth, connector style, and opening size at each location.
- Treating the front pillar tweeters or rear subwoofer as standard equipment instead of checking whether they are included if equipped.
- Skipping a test fit and sound check before reassembly, which can leave you with clearance issues, wiring problems, or a speaker that does not perform as expected.
Generation & Model Family
The 2020 Honda Odyssey belongs to the Fifth generation (RL6) (2018–2020) 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
Some audio systems list a factory subwoofer (if equipped).
| Goal | Best Upgrade Path | Why |
|---|---|---|
| Better clarity | Upgrade the front stage first, including the front door speakers and the front pillar tweeters if equipped, then match the center dash speaker for a more balanced sound. | Clarity improvements usually come from cleaner mids and highs up front, where most of the detail is heard. Since tweeters are listed as optional, verify the exact audio package before choosing parts. |
| More bass | If the factory subwoofer is equipped, consider replacing it carefully or adding an aftermarket subwoofer system to strengthen low-end output without overloading the stock setup. | The Odyssey may include a rear subwoofer on some trims, so bass upgrades should account for the existing system first. A dedicated aftermarket sub can add deeper bass while keeping the rest of the speakers focused on mids and highs. |
| Louder sound | Use properly matched speakers and amplifier integration to improve volume and reduce distortion, then verify factory amp or premium system integration before adding aftermarket amplifiers. | Higher output works best when the speakers and power delivery are matched correctly. Because factory amplifier details vary by trim, checking the audio package first helps avoid integration problems. |
| Budget improvement | Replace the front door speakers first with same-size replacement speakers and the correct mounting brackets, then move to the rear doors if you want a gradual upgrade path. | The front doors handle a lot of everyday listening, so they usually give the most noticeable improvement for the money. Starting there keeps the upgrade practical and easy to expand later. |
| 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 reduces the need for visible modifications. |
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 2020 Honda Odyssey?
Based on generation data for the 2020 Odyssey, the front door speakers are 6.5 inches. Verify before ordering, since 2020 speaker location data is based on the 2018 model year within the same generation.
What size are the rear door speakers?
The rear door speakers are 6.5 inches based on the available generation data. Because 2020 speaker location details are carried over from the 2018 model year, it is smart to verify fitment before buying.
Does the 2020 Honda Odyssey have a factory subwoofer?
A rear 8-inch subwoofer is listed if equipped. Availability can vary by trim and audio package, so check the vehicle’s audio equipment before ordering any subwoofer-related parts.
Do I need mounting adapters for speaker replacement?
Mounting adapters may be needed depending on the speaker location and the replacement speaker’s design. Since factory speaker data is based on generation information, verify the opening and mounting depth before choosing parts.
Can I replace the speakers without replacing the radio?
Yes, speaker replacement can be done without replacing the radio in many cases. The factory radio setup varies by trim, so confirm the audio system details and speaker count before selecting new speakers.
Does the 2020 Honda Odyssey have a factory amplifier?
Factory amplifier details should be verified by trim and audio package. The Elite trim lists a 550W amplifier, while other trims show different audio setups, so confirm the exact vehicle configuration before ordering.