TOA ZM-370HS-AS Headset Microphone

ZM-370HS-AS is a headset microphone using electret condenser type microphone, featuring high intelligibility and suitable for speech application.
Specifications :
Type : Electret Condenser microphone
Directivity : Unidirectional
Rated Impedance : 2.5 kΩ, unbalanced
Sensitivity : -51 dB (1 kHz 0 dB=1 V/Pa)
Frequency Response : 50 Hz – 12 kHz
Cable Length : 10 m
Connector : 1/4″ unbalanced Phone Jack
Finish : Battery case: ABS, Black; Headset: Metal, black
Dimensions : 89.5 (W) × 38 (H) x 19 (D) in mm
Weight : 142 g (without battery)
Battery : 1 pc x “AA” (R6S or UM-3U)