Audio-Technica AT8116 Windscreen for AT831b: The Audio-Technica AT831B is specifically designed to solve problems in professional video and broadcast applications. The AT831B's specially tailored response assures crisp, natural voice quality in a small, unobtrusive package, while the cardioid pickup pattern reduces ambient noise pickup for improved performance sound isolation. Powered by a single 1.5V "AA" type battery, or by 9-48V phantom power, with a cable to the belt module which also includes an on/off switch for use when battery powered. Audio-Technica AT831B Features: Clip-on lavalier mic also excels in acoustic guitar applications Provides crisp, full-sounding voice and instrument pickup Operates on battery or phantom power 6' (1.8 m) cable permanently attached between microphone and power module Audio-Technica AT831B Specifications: Element: Condenser Phantom Power Requirements: 9 - 52V, 2 mA typical Polar Pattern: Cardioid Battery Type: 1.5V AA/UM3 Frequency Response: 40 Hz - 20 kHz Battery Current/Life: 1 mA/1000 hours typical Open Circuit Sensitivity: -45 dB (5.6 mV) re 1V at 1 Pa Switch: Off; On-Flat, On-Roll-Off , Off battery only Impedance: 200 ohms Low-frequency Roll-off: 150 Hz, 6 dB per octave Maximum Input Sound Level: 126 dB SPL, 1 kHz at 1% T.H.D. Weight: 0.1 oz (2.8 g) Signal To Noise Ratio: 65 dB, 1 kHz at 1 Pa Power Module: In-line Dynamic Range (Typical): 97 dB, 1 kHz at Max. SPL Output Connector: XLRM-type (power module)
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