Model 1303 is an amazing noise-cancelling microphone. It is capable of reducing the background noise by more than 20dB. It also has a frequency response acoustically tuned to filter out higher frequencies unwanted on most communications systems.
|Generating Element:||Electret Condenser|
|Sensitivity:||-46 dB re 1V/Pa @ 1 kHz|
|Noise Level:||25 dB “A” Weighted|
|Max SPL, THD < 3%:||118 dBSPL (At 2V)
140 dBSPL (With bipolar bias connection)
|Bias voltage:||2 ~ 20 V|
|Output Impedance:||1 Kohms|