The NR Series close talking microphones deliver state-of-the-art noise canceling performance. NR microphones are used as headset microphones in the most demanding communication and speech recognition environments. The NR Series microphones are available in boom microphone packages. (See the FB and PNR Series for details)
Knowles is the originator of balanced armature technology which they apply to their receiver, specialty transducers and hearing aid products. Knowles is also a market-leading manufacturer of MEMS microphones, electret microphones, voice processors and acoustical component accessories.
| Product status | Active |
|---|---|
| Description | EC ST microphone |
| Diameter / length [mm] | 5,56 |
| Width [mm] | 3.99 |
| Thickness[mm] | 1,12 |
| Directivity | Bi-directional |
| Impedance [Ohm] | 2500 |
| Nominal Voltage [V] | 10 |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] | -45 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 94 |
| AOP [dB] | 129 |
| Connection | 2-Wire |
The NR Series close talking microphones deliver state-of-the-art noise canceling performance. NR microphones are used as headset microphones in the most demanding communication and speech recognition environments. The NR Series microphones are available in boom microphone packages. (See the FB and PNR Series for details)
| Product status | Active |
|---|---|
| Description | EC ST microphone |
| Diameter / length [mm] | 5,56 |
| Width [mm] | 3.99 |
| Thickness[mm] | 1,12 |
| Directivity | Bi-directional |
| Impedance [Ohm] | 2500 |
| Nominal Voltage [V] | 10 |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] | -45 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 94 |
| AOP [dB] | 129 |
| Connection | 2-Wire |
Knowles is the originator of balanced armature technology which they apply to their receiver, specialty transducers and hearing aid products. Knowles is also a market-leading manufacturer of MEMS microphones, electret microphones, voice processors and acoustical component accessories.
| Product status | Active |
|---|---|
| Description | EC ST microphone |
| Diameter / length [mm] | 5,56 |
| Width [mm] | 3.99 |
| Thickness[mm] | 1,12 |
| Directivity | Bi-directional |
| Impedance [Ohm] | 2500 |
| Nominal Voltage [V] | 10 |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] | -45 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 94 |
| AOP [dB] | 129 |
| Connection | 2-Wire |
The NR Series close talking microphones deliver state-of-the-art noise canceling performance. NR microphones are used as headset microphones in the most demanding communication and speech recognition environments. The NR Series microphones are available in boom microphone packages. (See the FB and PNR Series for details)
Knowles is the originator of balanced armature technology which they apply to their receiver, specialty transducers and hearing aid products. Knowles is also a market-leading manufacturer of MEMS microphones, electret microphones, voice processors and acoustical component accessories.
Headquarters
SAS SELTECH
2, Allée des Cerisiers
F – 94042 Créteil FRANCE
Tel EU : +33 1 48 92 90 02
Tel NA : +1 (919) 481 6896
SELTECH is an international solution provider with deep expertise in acoustics and sensors. We offer innovative solutions to our customers’ challenges, from design to production.
