| Standard 4 pin 6 conductor wiring | |
|---|---|
| Pin 1 (Ground) Shield & Blue | |
| Pin 2 (Audio) White | |
| Pin 3 (TX) Red | |
| Pin 4 (RX) Black | |
| Yellow wire is unused | |
| Type | Dynamic noise cancelling system |
| Sensitivity | -54 dB +/- 3dB (1V/Pa @1 KHz) |
| Measurable impedance | 500 ohmβs +/- 30 ohmβs |
| Frequency response | 55 Hz β 7 KHz (proximity effect compensated) |
| No battery or power source required | |
