MP471S/MP472S/MP473S MicrophoneMP471S / MP472S / MP473S is the 1/4-inch pressure-field microphone developed by BSWA. It is suitable for the pressure field environments such as in a cavity, near a hard reflective surface, or i..
CA915 High Sound Pressure Calibrator & Full Frequency CoupleIntroduction： CA915 is a high sound pressure calibrator using the comparison method. The built-in compression driver delivers up to 164 dB at a small cavity. Two 1/2” (or 1/4” with the adaptor) ..