BMW M6 Gran Coupe Rear Deck Lid Speaker Size
The BMW M6 Gran Coupe Rear Deck Lid accommodates a 1 inch speaker size and 4 inch speakers. Compatible types for the location include tweeters and midrange units. The specifications cover the 2016 to 2018 model years.
| Year | Type | Size (inch) |
|---|---|---|
| 2018 | Tweeter | 1 |
| 2018 | Midrange | 4 |
| 2017 | Tweeter | 1 |
| 2017 | Midrange | 4 |
| 2016 | Tweeter | 1 |
| 2016 | Midrange | 4 |
Speaker Types
| Type | Description |
|---|---|
| Tweeter | A small driver built for high frequencies, typically from about 2,000 Hz to 20,000 Hz. It adds treble detail and clarity and is usually mounted near ear level or aimed at the listener. |
| Midrange | A driver for the middle of the audible range, typically from about 300 Hz to 5,000 Hz, where vocals and most instruments sit. It is often paired with a tweeter and a woofer. |
Additional Notes
- The BMW M6 Gran Coupe rear deck lid accommodates 2 distinct speaker sizes across the listed model years: 1 inch and 4 inch.
- The rear deck lid is a horizontal surface spanning the width of the cabin's rearmost section, positioned above the trunk and below the rear window, making speakers mounted there forward-facing toward the passenger cabin.
- A 1-inch driver in the rear deck lid position handles high-frequency reproduction, typically covering the range above 2,000 Hz, where tweeters operate with narrow directional dispersion at very high frequencies but relatively wide dispersion through the upper midrange transition zone.
- The rear deck lid placement of a 1-inch tweeter means high-frequency energy radiates upward and forward into the cabin, relying on reflections from the rear glass to distribute treble content toward front and rear seating positions.
- The BMW M6 Gran Coupe rear deck lid tweeter compatibility with 1-inch drivers reflects a standard small-dome or small-cone format suited to the shallow depth constraints typical of deck lid cavities.
- A 4-inch driver occupying the same rear deck lid location handles midrange frequencies, generally spanning from approximately 300 Hz to 5,000 Hz, covering vocal intelligibility and a significant portion of harmonic content in music.
- The 4-inch cone surface area is large enough to move sufficient air for midrange reproduction while remaining compact enough to fit within the limited baffle space of a rear deck lid panel.
- Midrange drivers at 4 inches in diameter exhibit moderate directional characteristics, becoming increasingly directional as frequency rises toward the upper midrange, which affects how evenly sound energy distributes across seating positions from the rear deck location.
- The pairing of a 1-inch tweeter and a 4-inch midrange within the rear deck lid indicates a multi-driver configuration at a single installation zone, requiring the two drivers to handle separate frequency bands within close physical proximity.
- The rear deck lid location in the M6 Gran Coupe places both driver sizes at a distance from front seating positions, a factor that influences time alignment and imaging characteristics when the system is configured for front-stage listening.