Microdot Connector, 4 Hz to 80 kHz, 35 dB(A) to 160 dB, 4 mV/Pa, 1/4" Free-Field Acoustic Sensor—The GRAS 46BE provides functionality for measuring high sound pressure levels at high frequencies. It has a wide frequency range reaching up to 80 kHz and a large dynamic range from less than 35 dB(A) to 160 dB. The GRAS 46BE includes a 1/4" constant current power (CCP) preamplifier. Additionally, the GRAS 46BE is compliant with transducer electronic data sheet (TEDS) measurement platforms.