Pinout obtained from Chatterbox USA for the helmet-side connector of the Noise Reducing stereo headset as used on the Chatterbox FRS X2 and GMRS X1 radios.
Pin Number |
Pin Name |
Description |
1 | - Spk | Speaker Ground |
2 | + Mic | Microphone Positive |
3 | + R.Spk | Right Speaker Positive |
4 | - Mic | Microphone Negative |
5 | + L.Spk | Left Speaker Positive |
6 | N/C | No Connection |