| Number | X-pin, colour | Description |
|---|---|---|
| X18187 | 2 -pin, Black | Plug connector Left medium-range/high-range speaker |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Negative activation, rear left tweeter | Amplifier |
| 2 | E | Positive activation, rear left tweeter | Amplifier |