The Audio-Technica BP4029 Stereo Shotgun Microphone is a stereo shotgun mic built for broadcasters, videographers and sound recordists.
Audio-Technica BP4029 Features:
- 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
- Includes a 0.61 m (24") cable (5-pin XLRF to two standard 3-pin XLRM connectors)
- RoHS compliant—free from all substances specified in the EU directive on hazardous substances
BP4029 Frequency Response

Audio-Technica BP4029 Specifications
| Element |
Fixed-charge back plate, permanently polarized condenser |
| Polar Pattern |
Line-cardioid, Figure-of-eight |
| Frequency Response |
40-20,000 Hz |
| Low Frequency Roll Off |
80 Hz, 12 dB/octave |
| Open Circuit Sensitivity |
Mid: -30 dB (31.6 mV) re 1V at 1 Pa; Side: -34 dB (19.9 mV) re 1V at 1 Pa; LR Stereo: -36 dB (15.8 mV) re 1V at 1 Pa |
| Maximum Input Sound Level |
Mid: 123 dB SPL, 1 kHz at 1% T.H.D.; Side: 127 dB SPL, 1 kHz at 1% T.H.D.; LR Stereo: 126 dB SPL, 1 kHz at 1% T.H.D. |
| Dynamic Range |
Mid: 101 dB, 1 kHz at Max SPL; Side: 101 dB, 1 kHz at Max SPL; LR Stereo: 102 dB, 1 kHz at Max 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 |
| Phantom Power Requirements |
11-52V DC, 4 mA typical at 48V, each channel |
| Switches |
M-S, LR Stereo-Wide (LR-W), LR Stereo-Narrow (LR-N); Flat, roll-off |
| Weight |
103 g (3.6 oz) |
| Cable |
Dual 0.61 m (24") shielded two-conductor, terminated in two XLR3M-type connectors |
| Dimensions |
236.0 mm (9.29") long, 21.0 mm (0.83") diameter |
| Output Connector |
Integral XLR5M-type |
| Accessories Included |
AT8405a stand clamp for 5/8"-27 threaded stands; AT8134 foam windscreen; 5/8"-27 to 3/8"-16 threaded adapter; protective carrying case |