1989 Porsche 944 Speaker Sizes
The 1989 Porsche 944 speaker size chart provides factory and aftermarket specifications for replacement audio components. Information covers speaker locations in front door panels and rear door panels. Factory system details and upgrade options for aftermarket installations are included, enabling audio enhancement through compatible replacement speakers.
As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.
| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 4x6 | Full-Range |
|
| Rear Door Panel | 4x6 | Full-Range |
|
1989 Porsche 944 Speaker Replacement Summary
2
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 0 High: 0Replacement priority:
High: 1 Medium: 1 Low: 01989 Porsche 944 Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN | 7"×2" | 180×50 | Standard size for basic car radios with small display or no display |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 1989 Porsche 944 utilizes 4x6 inch openings in both front and rear door panels, which represents a standard rectangular format common in European vehicles of this era. This shared sizing across all four door locations may simplify the replacement process when selecting aftermarket components.
- Full-range speakers are specified for all door panel locations, indicating that these components handle the entire frequency spectrum without requiring separate tweeters or woofers. This configuration suggests a relatively straightforward audio system architecture, though aftermarket component speaker systems with separate tweeters could potentially offer enhanced high-frequency reproduction if the door panels accommodate custom mounting solutions.
- The 4x6 inch form factor typically provides a cone area between standard 4 inch and 5.25 inch round speakers, which may offer a reasonable balance between bass response and physical fitment constraints. The rectangular shape often allows manufacturers to maximize cone area within the available mounting space in door panels.
- Upgrading from factory full-range speakers to aftermarket units with higher power handling and sensitivity ratings could produce noticeable improvements in clarity and output, particularly given the age of the original components in the 1989 Porsche 944. Modern materials like polypropylene cones and rubber surrounds typically provide better durability and damping characteristics than period-correct components.
- The Single DIN radio opening provides compatibility with a wide range of aftermarket head units, which could serve as the foundation for audio system improvements. Pairing a modern source unit with upgraded 4x6 inch speakers throughout the door panels would likely address both source quality and transducer performance simultaneously.
- When selecting replacement speakers, attention to mounting depth becomes relevant, as door panel cavities in sports cars may have limited clearance behind the speaker location due to window mechanisms and structural reinforcements. Measuring available depth before purchasing aftermarket components would help avoid fitment complications during installation.