BMW 320i Front Kick Panel Speaker Size
The BMW 320i front kick panel accommodates a 5.25 inch speaker size across all listed model years. Midbass units are the compatible speaker types supported in the front kick panel location. The specifications cover a range of 1977 to 1983.
| Year | Type | Size (inch) |
|---|---|---|
| 1983 | Midbass | 5.25 |
| 1982 | Midbass | 5.25 |
| 1981 | Midbass | 5.25 |
| 1980 | Midbass | 5.25 |
| 1979 | Midbass | 5.25 |
| 1978 | Midbass | 5.25 |
| 1977 | Midbass | 5.25 |
Speaker Types
| Type | Description |
|---|---|
| Midbass | A driver tuned for upper bass and lower midrange, roughly from 80 Hz to 500 Hz. It has longer cone travel than a full-range unit, which supports stronger bass in doors and panels. |
Additional Notes
- The front kick panel is a floor-level mounting location positioned at the base of the dashboard, near the driver's and passenger's feet, angling upward into the cabin.
- At floor level, the kick panel position places speakers at a low point in the vehicle interior, which affects the perceived stereo imaging and the way low-to-mid frequencies propagate through the cabin.
- The BMW 320i front kick panel accommodates a 5.25 inch speaker diameter across all listed model years from 1977 through 1983.
- A 5.25 inch driver occupies a moderate cone surface area, which in a kick panel enclosure is suited to reproducing frequencies in the lower midrange and upper bass regions rather than deep bass or high treble.
- The physical depth clearance behind a kick panel is typically shallow compared to door locations, which places constraints on the mounting depth of any compatible speaker.
- Midbass is the sole compatible speaker type listed for the BMW 320i front kick panel across all specified years, designating drivers designed to handle the frequency band roughly spanning 80 Hz to 500 Hz.
- Midbass drivers are optimized for the upper bass and lower midrange overlap, a frequency range that includes fundamental tones of vocals, bass guitar, and lower brass instruments.
- At the kick panel location, a midbass driver's low-mounted angle projects sound upward and across the footwell, which influences the directional character of bass frequencies reaching the listener.
- The 5.25 inch cone size in a midbass application at the kick panel supports adequate cone area to move air for lower frequencies while remaining compact enough to fit within the spatial constraints of the panel cavity.
- Midbass drivers are typically designed without a tweeter element, as the frequency range handled at a kick panel location does not require high-frequency reproduction.