With a pivot-mounted flexible boom that can be positioned on either the left or right side of the head, the ATM75 headworn microphone delivers professional-quality vocal pickup with hands-free operation. Includes AT8139L large windscreen, AT8139S small windscreen, and AT8439 cable clip.

• Professional-quality vocal pickup with hands-free operation
• Low-visibility headband provides stable, comfortable fit
• Pivot-mounted flexible microphone
• 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
  • 80 Hz, 18 dB/octave (wired only)
• Open Circuit Sensitivity
  • PHANTOM: -51 dB (2.8 mV) re 1V at 1 Pa
  • BATTERY: -53 dB (2.2 mV) re 1V at 1 Pa

• Maximum Input Sound Level
  • PHANTOM: 132 dB SPL, 1 kHz at 1% T.H.D.
  • BATTERY: 121 dB SPL, 1 kHz at 1% T.H.D.
• Dynamic Range
  • PHANTOM: 96 dB, 1 kHz at Max SPL
  • BATTERY: 85 dB, 1 kHz at Max SPL
• Signal-to-Noise Ratio
  • 58 dB, 1 kHz at 1 Pa
• Phantom Power Requirements
  • 11-52V DC, 2 mA typical
• Battery Type
  • 5V AA/UM3 (wired only)
• Battery Current/Life
  • 4 mA / 2000 hours typical (alkaline) (wired only)
• Switches
  • Off, on-flat, on-roll-off (wired only)
• Weight (Microphone)
  • 1 oz (60 g)
• Weight (Power Module)
  • 9 oz (139 g) (wired only)
• Cable
  • 6' (1.4 m) long (permanently attached to microphone), 0.11" (2.8 mm) diameter, 2-conductor shielded cable(termination dependent)
• Dimensions
  • Microphone: 20.4 mm (0.80") diameter
  • Power module (wired only): 84.0 mm (3.31") H x 63.0 mm (2.48") W x 22.0 mm (0.87") D
  • Headset: 120.0 mm (4.72") nominal at widest point, 80.5 mm (3.17") flexible boom
• Dimensions (Power Module)
  • 31" (84.0 mm) H x
  • 48" (63.0 mm) W x
  • 87" (22.0 mm) D
• Dimensions (Headset)
  • 72" (120.0 mm) nominal at widest point,
  • 17" (80.5 mm) flexible boom
• Dimensions (Microphone)
  • 80" (20.4 mm) diameter
• Output Connector (Power Module)
  • Integral 3-pin XLRM-type (wired only)
• Accessories Included
  • AT8531 power module (wired only); AT8439 clothing clip; AT8139L large windscreen; AT8139S small windscreen; battery (wired only)