M 661
1/2inch, Free-field, 16kHz
Meets the requirements of IEC 61094-4 for WS2F measuring microphone
Low noise, wide frequency response range
M 663
1/2inch, Free-field, 20kHz
Meets the requirements of IEC 61094-4 for WS2F measuring microphone
Low noise, wide frequency response range
M 671
1/2inch, Pressure, 16kHz
Low noise, wide frequency response range
No polarization voltage required, in accordance with IEC 61072-Ι standard.
M 673
1/2inch, Pressure, 20kHz
Low noise, wide frequency response range.
No polarization voltage required, in accordance with IEC 61072-Ι standard.
M 676
1/2inch, Pressure, 25dBA
Low noise, wide frequency response range
No polarization voltage required, in accordance with IEC 61072-Ι standard.
M 677
1/2inch, Pressure, 16dBA
Low noise, wide frequency response range
No polarization voltage required, in accordance with IEC 61072-Ι standard.
M 645
1/4inch, Free-field, 100kHz
1/4 inch
100kHz Ultrasonic Measurement
Free-Field Microphone Kit
M 653
1/4 inch，pressure field,，175 dBA
Prepolarized pressure-field measurement
wide frequency range
M 681
1inch, Free-field, 12dBA
Compliant with IEC 61094-4 for WS1F measurement microphones;
low inherent noise and a wide frequency response range.
M 657
1/4inch, pressure-field, 20kHz
1/4-inch pre-polarized pressure-field
Wide frequency range, broad dynamic range
