. Professional unidirectional condenser microphone designed specifically for use in the film, video, television, video, sound recording.. Has a balanced low impedance output stage and operates from a 1.5 V batteryor 48V phantom power,. Frequency Response: 100Hz - 16kHz, pass filter 80Gts / 12 dB / octave .Output impedance: 1K for short distance, 2,3 k for long distance Sensitivity: -45db for short distance, -38db for long