Audio Technica AT871UG Unidirectional Condenser Boundary Microphone
Element: Fixed-charge back plate, permanently polarized condenser
Polar Pattern: Half-cardioid (cardioid in hemisphere above mounting surface)
Frequency Response: 30 ~ 20,000 Hz
Open Circuit Sensitivity: -34 dB(19.9mV) re 1V at 1Pa
Impedance: 200 Ω
Maximum Input Sound Level: 133 dB SPL (1KHz,THD 1%)
Dynamic Range (Typical): 103 dB, 1 kHz at Max SPL
Signal-To-Noise Ratio: 67 dB, 1 kHz at 1Pa
Phantom Power: 415 g
Dimensions: 17.0mm x 145.0mm x 120.0mm (H x W x D)
Angle: 120°
Cable: 7.6 m long, 3.2 mm diameter, 2-conductor shielded cable with TA3F-type connector and XLRM-type connectors.