2018 Audi A3 Sportback e-tron Speaker Sizes
The 2018 Audi A3 Sportback e-tron speaker size chart contains factory speaker specifications and locations for replacement or aftermarket audio system upgrades. Available data includes speaker positions in front door panels, rear door panels, center dash, cargo area, a-pillar, and d-pillar locations within the vehicle audio system.
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| Location | Size | Type | Notes |
|---|---|---|---|
| A-Pillar | 1 | Tweeter |
|
| Cargo Area | 8 | Subwoofer |
|
| Center Dash | 3.5 | Full-Range |
|
| D-Pillar | 3.5 | Midrange |
|
| Front Door Panel | 3.5 | Midrange |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2018 Audi A3 Sportback e-tron Speaker Replacement Summary
8
total positions
5
easy to replace
3
high priority
2
professional only
Replacement difficulty:
Low: 5 Medium: 1 High: 2Replacement priority:
High: 3 Medium: 3 Low: 2Additional Notes
- The 2018 Audi A3 Sportback e-tron incorporates multiple speaker locations throughout the cabin, suggesting a multi-component audio architecture with dedicated drivers for different frequency ranges rather than relying solely on coaxial speakers.
- The A-pillar and rear door panel positions both accommodate 1-inch tweeters, which typically handle high-frequency reproduction above 3-4 kHz and contribute to soundstage width and imaging clarity.
- Three separate 3.5-inch locations serve distinct purposes: the center dash uses a full-range driver for central vocal anchoring, while the D-pillar and front door panels employ midrange drivers that likely reproduce frequencies in the 300 Hz to 5 kHz range.
- Both front and rear door panels feature 6.5-inch positions compatible with either midbass or full-range drivers, offering flexibility depending on whether the system uses component separation or simpler full-range configurations.
- The cargo area houses an 8-inch subwoofer location, which would typically reproduce low frequencies below 80-100 Hz and provide bass extension that smaller door-mounted drivers cannot achieve.
- Replacing factory speakers in a component system like this generally prioritizes the front door 6.5-inch positions first, as these contribute most significantly to midrange clarity and midbass impact in the primary listening area.
- The presence of dedicated tweeter locations in the A-pillars and rear doors indicates that these positions require separate high-frequency drivers when upgrading to aftermarket component speaker sets rather than coaxial designs.
- The 3.5-inch midrange drivers in the front doors and D-pillars fill the frequency gap between the 1-inch tweeters and 6.5-inch midbass drivers, creating a three-way component configuration in the front stage.
- Sound improvement from speaker replacement would likely be most noticeable when addressing the 6.5-inch front door positions, as these handle the critical midrange and upper bass frequencies where musical detail and vocal reproduction reside.