2017 Volkswagen Jetta Speaker Sizes and Audio System Guide
2017 Volkswagen Jetta Speaker Sizes and Audio System Guide
This page covers the factory speaker layout for the 2017 Volkswagen Jetta, including speaker locations, OEM sizes, and upgrade notes. Equipment can vary by trim, body style, or audio package, so some models may include additional tweeters or a subwoofer if equipped. Factory amplifier details should be verified by trim and audio package, since the audio setup ranges from basic systems to higher-output configurations.
Data verified by Nick Marchenko, PhD
Speaker Size Chart – 2017 Volkswagen Jetta
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 | 1.5 inch | if equipped |
| Front Door | Full-Range | 6.75 inch | |
| Rear Door | Tweeter | 1.5 inch | if equipped |
| Rear Door | Full-Range | 6.5 inch | |
| Under Cargo Floor Panel | 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 2017 Volkswagen Jetta
Selected aftermarket speakers that match the factory sizes for this vehicle. Always verify mounting depth, connector type, and audio package before ordering.
6.75" Speakers
6.5" Speakers
8" Speakers
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Speaker Count by Trim – 2017 Volkswagen Jetta
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 |
|---|---|---|---|---|
| GLI 4dr Sedan | 8 | std | SiriusXM AM/FM/HD/Satellite, seek-scan | ✓ |
| 1.8T SEL 4dr Sedan | 6 | – | SiriusXM AM/FM/HD/Satellite, seek-scan | ✓ |
| 1.4T S 4dr Sedan | 4 | – | AM/FM stereo, seek-scan | – |
| 1.4T SE 4dr Sedan | 4 | – | 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 2017 Volkswagen Jetta?
Aftermarket fitment should start with the factory speaker locations listed for this 2017 Volkswagen Jetta, but diameter alone is not enough. Check mounting depth, bracket shape, connector type, and whether your car uses the standard audio setup or a higher-level system. The front door uses a 6.75-inch full-range speaker, while the rear door uses a 6.5-inch full-range speaker. Tweeters and the 8-inch under-cargo-floor subwoofer are listed as optional, so those locations should be verified if equipped.
Usually Safe Upgrades
- If your vehicle uses the front door location, a 6.75-inch full-range speaker is the key size to match.
- If your vehicle uses the rear door location, a 6.5-inch full-range speaker is the key size to match.
- If your vehicle has the front pillar tweeter location, a 1.5-inch tweeter may be present if equipped.
- If your vehicle has the rear door tweeter location, a 1.5-inch tweeter may be present if equipped.
- If your vehicle has the under-cargo-floor subwoofer location, the listed size is 8 inches if equipped.
Check Before Buying
- Confirm the exact speaker location before ordering, since tweeters and the subwoofer are optional equipment.
- Measure mounting depth and compare the factory opening to the replacement speaker.
- Check the connector style and whether an adapter is needed for the vehicle side plug.
- Verify the trim and audio package, because speaker count and amplifier details can vary by configuration.
- Match the replacement to the factory size listed for that location instead of relying on diameter alone.
Installation Notes
The 2017 Volkswagen Jetta uses different speaker layouts depending on trim and audio package, so verify the exact system before ordering parts. Front door openings use 6.75-inch full-range speakers, while rear door openings use 6.5-inch full-range speakers. Tweeters in the front pillar and rear door may be present if equipped, and the under-cargo-floor 8-inch subwoofer should be treated as optional equipment. Panel removal is required for access, so work carefully around clips and trim pieces to avoid damage. Check speaker depth and mounting depth before installation, since clearance can vary behind the factory locations. Mounting adapters and harness adapters may be needed to match aftermarket speakers to the factory openings and wiring. If your vehicle has the factory subwoofer, confirm the wiring path and enclosure fit before replacing it. Always test polarity, balance, and fade after installation to make sure all channels are working correctly. Factory amplifier details should be verified by trim and audio package.
Moderate difficulty, because trim-dependent audio equipment and careful panel removal can affect the installation.
Common Mistakes When Replacing Speakers
When shopping for speaker upgrades on this 2017 Volkswagen Jetta, the biggest errors usually come from assuming every trim has the same audio setup.
- Buying based only on the body-style label instead of checking actual speaker locations on the vehicle.
- Ignoring trim and audio package differences, which can change the speaker count, radio setup, and whether factory amplifier details should be verified by trim and audio package.
- Assuming the tweeters are always present instead of checking if equipped, since the front pillar and rear door tweeters are optional on this model.
- Overlooking the under-cargo-floor subwoofer location if equipped, which can affect upgrade planning and enclosure access.
- Skipping checks for mounting depth and connector style before ordering parts, which can lead to fitment problems even when the speaker size looks correct.
- Reassembling everything before testing the system, which can hide wiring or channel issues that are easier to catch while panels are still open.
Generation & Model Family
The 2017 Volkswagen Jetta belongs to the Sixth generation (A6) - Facelift (2015–2018) 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 2017 Volkswagen Jetta uses a speaker layout that can vary by trim, so the best upgrade path depends on the audio package in your sedan. Front-stage improvements usually deliver the biggest change in everyday listening, while bass, volume, and factory-style upgrades should be matched to the existing system for the cleanest result.
| Goal | Best Upgrade Path | Why |
|---|---|---|
| Better clarity | Start with the front stage by upgrading the front door speakers and, if equipped, the front pillar tweeters. A quality component-style setup can improve detail, vocal clarity, and high-frequency response. | Clarity comes mostly from the speakers closest to the driver and passenger. Since tweeters are listed for this model if equipped, improving the front stage is the most effective way to clean up mids and highs. |
| More bass | If the factory subwoofer is equipped, consider replacing it with an aftermarket subwoofer solution and confirm the enclosure and signal path before upgrading. If no subwoofer is present in your trim, adding a subwoofer is the fastest way to extend low-end output. | Bass upgrades work best when the low-frequency load is handled separately from the door speakers. Factory subwoofer details should be verified by trim and audio package before choosing the right upgrade path. |
| Louder sound | Use properly matched speakers and amplifier integration to improve volume and reduce distortion. Verify factory amp and premium system integration before adding aftermarket amplifiers so the new setup works correctly with the existing audio package. | Higher output only helps when the speakers and amplification are matched well. A balanced system can play louder while staying cleaner at higher volume levels. |
| Budget improvement | Replace the front door speakers first, since they handle the most-used part of the sound stage. Choose same-size replacement speakers with correct mounting brackets for a simple upgrade that delivers an immediate improvement. | This gives the best return for the money because the front speakers carry most music detail in daily driving. It is a practical first step before moving on to the rear speakers or other upgrades. |
| 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 avoid visible modifications and makes the upgrade easier to integrate with the existing system. |
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 2017 Volkswagen Jetta?
The front door speakers are 6.75 inches. Front pillar tweeters are listed at 1.5 inches if equipped.
What size are the rear speakers in a 2017 Volkswagen Jetta?
The rear door full-range speakers are 6.5 inches. Rear door tweeters are listed at 1.5 inches if equipped.
Does the 2017 Volkswagen Jetta have a factory subwoofer?
An 8-inch subwoofer is listed under the cargo floor panel if equipped. Availability can vary 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. Check the vehicle’s speaker sizes and mounting depth before ordering parts.
Can I replace the speakers without replacing the radio?
Yes, speaker upgrades can be done while keeping the factory radio. The trim audio setup can affect speaker count and system compatibility, so verify the trim before choosing parts.
Does the 2017 Volkswagen Jetta have a factory amplifier?
Factory amplifier details should be verified by trim and audio package. The trim data shows amplifier differences across versions, so check the specific model before planning an upgrade.