The BP4027 (AT815ST) Stereo Shotgun Microphone from Audio-Technica is a direct result of input Audio Technica received from broadcasters over the last few years. After extensive testing of this microphone by television broadcast professionals, as well as at Olympic test events, this microphone became a favorite among broadcasters, sound recordists and videographers.
Designed for broadcasters, videographers and sound recordists Compact, lightweight design is perfect for camera-mount use Independent Line-cardioid and Figure-of-eight condenser elements Switchable low-frequency roll-off Switch selection of non-matrixed M-S mode and two internally-matrixed left/right stereo modes
Audio-Technica BP4027 Specs:
Transducer Fixed-Charged Back Plate Permanently Polarized Condenser Polar Pattern Line-Cardioid and Figure-of-Eight Frequency Response 30 Hz - 20 kHz Dynamic Range (Typical) Mid: 123 dB Side: 127 dB LR Stereo: 126 dB, (All @ 1 kHz at Maximum SPL) Signal-to-Noise Ratio Mid: 72 dB, (SPL, 1 kHz at 1 Pa) Side: 68 dB, (SPL, 1 kHz at 1 Pa) LR Stereo: 70 dB, (SPL, 1 kHz at 1 Pa) Maximum Input Sound Level Mid: 123 dB, (1 kHz at 1% T.H.D.) Side: 127 dB, (1 kHz at 1% T.H.D._ LR Stereo: 126 dB, (1 kHz at 1% T.H.D.) Power Requirements Phantom Power, 9 - 52 VDC Output Impedance 200 ohms Output Connectors XLR-5M Type (from Microphone) 2 XLR-3M Connectors (L+R) from Microphone's Adapter Cable Pad None Low Frequency Roll-Off -12 dB/Octave, (@ 80 Hz) Applications Video Film, and Broadcast Production Dimensions 14.96 x 0.83" (380 x 21 mm) L x Diameter Weight 5.0 oz (142 g)