Audio-Technica ATM73a Cardioid Condenser Headworn Microphone

Ideal for drummers, keyboard players or anyone requiring hands-free operation, the ATM73a features a comfortable, unobtrusive headband design with side-of-mouth pickup. Its belt-mounted power module operates on battery or phantom power.

• Ideal for drummers, keyboard players or anyone requiring hands-free operation
• Comfortable, unobtrusive headband design with side-of-mouth pickup
• 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: 40 – 15000 Hz
• Low Frequency Roll-Off: 80 Hz, 18 dB/octave
• Open Cicuit Sensitivity: -55 dB (1.7 mV) re 1V at 1 Pa
• Impedance: 200 ohms
• Maximum Input Sound Level: 132 dB SPL, 1 kHz at 1% T.H.D
• Dynamic Range (typial): 111 dB, 1 kHz at Max SPL
• Signal-to-Noise Ratio: 59 dB, 1 kHz at 1 Pa
• Phantom Power Requirements: 11-52V DC, 2 mA typical
• Switch: Off, on-flat, on-roll-off
• Weight (Microphone): 1.1 oz (31 g)
• Weight (Power Module): 4.9 oz (139 g)
• Dimensions (Microphone): 6.49" (165.0 mm) nominal at widest point, 2.64" (67.0 mm) flexible boom
• Dimensions (Power Module): 3.31" (84.0 mm) H x 2.48" (63.0 mm) W x 0.87" (22.0 mm) D
• Output Connector: Integral 3-pin XLRM-type
• Cable: 4.6' (1.4 m) long (permanently attached to microphone), 0.10" (2.6 mm) diameter, 2-conductor shielded cable with TA3F-type connector
• Accessories Furnished: AT8531 power module; AT8128 windscreen; AT8125 windscreen; battery