Audio Technica ATM75 Cardioid Condenser Headworn Microphone Wired

Audio Technica ATM75 Cardioid Condenser Headworn Microphone With a pivot-mounted flexible mic boom that descends from either the left or right side, the ATM75 delivers professional-quality vocal pickup with hands-free operation.
THe belt-mounted power module operates on either battery or phantom power. Features : 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 Also available as: ATM75cW – less power module; 55 #34; (1.4 m) cable terminated with locking 4-pin connector for A-T UniPak wireless systems Microphones 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 (wired only) Signal-to-Noise Ratio 58 dB, 1 kHz at 1 Pa Phantom Power Requirements 11-52V DC, 2 mA typical Battery Type 1.5V AA/UM3 Battery Current/Life 0.4 mA / 2000 hours typical (alkaline) (wired only) Switches Off, on-flat, on-roll-off (wired only) Weight Microphone: 60 g (2.1 oz) Power module: 139 g (4.9 oz) Cable 4.6 #39; (1.4 m) long (permanently attached to microphone), 0.11 #34; (2.8 mm) diameter, 2-conductor shielded cable (termination dependent) Dimensions Microphone: 20.4 mm (0.80 #34;) diameter Power module (wired only): 84.0 mm (3.31 #34;) H x 63.0 mm (2.48 #34;) W x 22.0 mm (0.87 #34;) D Headset: 120.0 mm (4.72 #34;) nominal at widest point, 80.5 mm (3.17 #34;) flexible boom 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)