12-Pin Connector 3, Telephone and Microphone

12-Pin Connector 3, Telephone and Microphone






1. Microphone input (-)

2. Not used

3. Not used

4. Microphone output (-)

5. Telephone, low frequency signal input left (-)

6. Telephone, low frequency signal input right (-)

7. Microphone input (+)

8. Not used

9. Microphone output (+)

10. Telephone, mute

11. Telephone, low frequency signal input left (+)

12. Telephone, low frequency signal input right (+)