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 favourite among broadcasters, sound recordists and videographers.
####Key Features####
- 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
####Specifications####
| Transducer | Fixed-Charged Back Plate Permanently Polarised 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) |
