Plug B, microphone
EXTERNAL BOSE AMPLIFIER CONNECTOR PIN DESIGNATION - PLUG B, MICROPHONE
| Pin | Designation | Pin | Designation |
|---|---|---|---|
| B 1 | Microphone sound + | B 10 | Microphone sound - |
| B 2 | Not used | B 11 | Not used |
| B 3 | Not used | B 12 | Not used |
| B 4 | Not used | B 13 | Not used |
| B 5 | Diagnosis | B 14 | Not used |
| B 6 | Not used | B 15 | Not used |
| B 7 | Not used | B 16 | Not used |
| B 8 | Not used | B 17 | Not used |
| B 9 | Not used | B 18 | Not used |