請洽 Justin Hsieh(#2624)
GRAS 44AB Mouth Simulator is a sound source that simulates the sound field around the human mouth at close quarters and complies with the Standards IEEE 269, 661 and ITU-T Rec. P51.
GRAS 44AB is for testing telephone mouthpieces as well as other microphones similarly used in communication networks.
#GRAS
#44AB
#Microphone
#麥克風
#Audio
#15F
#ISHW