1990 Porsche 944 Speaker Sizes
The 1990 Porsche 944 factory audio system features front door panel and rear door panel locations that accommodate 4x6 inch speakers. Compatible types for an upgrade or replacement include full-range.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 4x6 | Full-Range |
|
| Rear Door Panel | 4x6 | Full-Range |
|
1990 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: 01990 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 1990 Porsche 944 features 4x6 inch openings in both front and rear door panels, which represents a standard rectangular format common in European sport cars of this era. This size accommodates full-range speakers designed to reproduce frequencies across the audible spectrum without requiring separate tweeters or woofers in the door locations.
- Front door speakers might be considered the primary upgrade target since these positions typically provide the most direct sound path to occupants in the front seating area. The 4x6 inch format limits cone area compared to larger circular designs, but aftermarket full-range speakers in this size often incorporate improved materials and magnet structures over original equipment.
- Full-range speaker compatibility in the rear door panels suggests that the factory audio design intended these locations to contribute to overall cabin coverage rather than serve as dedicated rear-fill positions. Replacement speakers maintaining the full-range designation would preserve this original design approach while potentially offering enhanced frequency response and power handling.
- The rectangular 4x6 inch format requires specific mounting considerations, as circular speakers would not fit these openings without adapter brackets. Aftermarket manufacturers typically produce both coaxial and component-style full-range speakers in this size, with coaxial designs integrating tweeters into the main speaker assembly for simplified installation.
- The single DIN radio specification indicates a standard-height head unit opening, which might limit options for advanced source units with larger touchscreen displays but maintains the original dashboard aesthetics. Upgrading the radio could provide increased power output to drive replacement door speakers more effectively than the original head unit.