With the high-quality gooseneck, the microphone can be easily positioned in front of the mouth. The distance between the front and rear connectors reduces sensitivity to far-field noise by 15 dB at 1 kHz compared to close-talking. Compared to close-talking, the bidirectional transmission reduces 90-degree coupling noise by 20 dB and random noise by 5 dB. The bandpass is limited to 5 kHz, acoustically filtering out higher frequencies that are undesirable in most communication systems.

The noise level that enters the user's ear when the headset is worn as prescribed is determined by the difference between the A-weighted ambient noise and the Noise Reduction Rating (NRR) of the headset. For example, if the ambient noise measured at the ear is 92 dBA and the NRR of the headset is 22 dB, then the resulting noise level entering the ear is approximately 70 dBA. The headset must be worn correctly to effectively reduce noise.