Audio-Technica ATM75C
Headworn Condenser Microphone for Wireless, Less Power Module, Unterminated 55" Cable


With a pivot-mounted flexible mic boom that descends from either the left or right side, the ATM75C delivers professional-quality vocal pickup with hands-free operation. The microphone’s low-visibility headband provides a stable, comfortable fit; its belt-mounted power module operates on either battery or phantom power.


  • Professional-quality vocal pickup with hands-free operation
  • Low-visibility headband provides stable, comfortable fit
  • Pivot-mounted flexible mic boom descends from left or right side
  • Belt-mounted power module operates on battery or phantom power
  • Cardioid polar pattern improves isolation of desired sound source


  • Element: Fixed-charge back plate, permanently polarized condenser
  • Polar Pattern: Cardioid
  • Frequency Response: 100-13,000 Hz
  • Low Frequency Roll-Off: 80Hz, 18dB/octave
  • Open Circuit Sensitivity (Phantom/Battery): -51dB (2.8 mV)/-53dB (2.2 mV) re 1V at 1 Pa
  • Impedance (Phantom/Battery): 200 ohms/270 ohms
  • Maximum Input Sound Level (Phantom/Battery): 132 dB/121 dB SPL, 1kHz at 1% T.H.D.
  • Dynamic Range, Typical (Phantom/Battery): 96dB/85dB, 1kHz at Max SPL
  • Signal-to-Noise Ratio: 58dB, 1 kHz at 1 Pa
  • Phantom Power Requirements: 11-52V DC, 2 mA typical
  • Battery Type: 1.5 AA/UM3
  • Battery Current/Life: 0.4 mA/1200 hours typical (alkaline)
  • Switch: Off, on-flat, on-roll-off
  • Weight: 2.1 oz
  • Dimensions, Headset: 4.72" nominal at widest point, 3.17" flexible boom
  • Dimensions, Microphone: 0.80" diameter
  • Output Connector (power module): Integral 3-pin XLRM-type
  • Cable: 55", Unterminated
  • Accessories Furnished: AT8439 clothing clip, AT8139L large windscreen, AT8139S small windscreen, battery

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