2015 Audi S3 Speaker Sizes
The 2015 Audi S3 factory audio system contains specific locations to accept various audio components. Specifically, the a-pillar and rear door panel accommodate 1 inch speakers. Meanwhile, the center dash and rear deck lid accept 3.5 inch units, and the front door panel supports a 3.5 inch speaker size alongside a 6.5 inch unit. Furthermore, the rear door panel accommodates 6.5 inch speakers, and the rear deck lid supports an 8 inch unit. Compatible speaker types for replacement and upgrade projects include tweeters, full-range units, midrange drivers, midbass units, and woofers.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| A-Pillar | 1 | Tweeter |
|
| Center Dash | 3.5 | Full-Range |
|
| Front Door Panel | 3.5 | Midrange |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Lid | 3.5 | Full-Range |
|
| Rear Deck Lid | 8 | Woofer |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2015 Audi S3 Speaker Replacement Summary
8
total positions
6
easy to replace
2
high priority
1
professional only
Replacement difficulty:
Low: 6 Medium: 1 High: 1Replacement priority:
High: 2 Medium: 5 Low: 1Additional Notes
- The 2015 Audi S3 appears to utilize a multi-way speaker configuration with dedicated tweeters in the A-pillars and rear door panels, suggesting a factory sound system designed with some attention to high-frequency dispersion and staging.
- The presence of 3.5 inch midrange speakers in the front door panels, working alongside 6.5 inch midbass or full-range units in the same location, indicates a component-style setup that may benefit from aftermarket upgrades targeting the midbass drivers first for improved mid-frequency clarity and bass response.
- The 6.5 inch locations in both front and rear door panels could accept either dedicated midbass drivers in a component system or coaxial full-range speakers, offering flexibility depending on whether the factory tweeters are retained or replaced.
- An 8 inch woofer position in the rear deck lid suggests this location may be intended for low-frequency reinforcement, though typical sedan deck installations can present challenges with coupling and resonance that might limit output compared to dedicated subwoofer enclosures.
- The 3.5 inch full-range speakers in the center dash and rear deck lid likely serve as fill speakers for ambient sound distribution, though these positions generally contribute less to overall sound quality than the primary door-mounted drivers.
- Upgrading the 1 inch tweeters in the A-pillars and rear doors could provide noticeable improvements in high-frequency detail and soundstage width, particularly if the replacement units offer higher sensitivity or extended frequency response compared to factory components.
- The combination of multiple speaker sizes across various locations in the 2015 Audi S3 suggests that a staged upgrade approach might be practical, beginning with the 6.5 inch door speakers and potentially adding amplification before addressing the smaller midrange and tweeter positions.
- Factory integration considerations may require attention to impedance matching and sensitivity levels when selecting aftermarket speakers, as the original system likely relied on specific electrical characteristics to achieve balanced output across all positions.