The Audio-Technica BP28 is a 355 mm large-diaphragm shotgun microphone combining a low-noise condenser element with a tight polar pattern for long-range sound capture. Designed for broadcast, film, television and theatre applications, it delivers exceptionally high sensitivity with a transformer-coupled output for smooth sonic character.
355 mm
Length
8 dB
Self-Noise
-28 dBV
Sensitivity
143 dB
Max SPL
135 dB
Dynamic Range
Features
Large-diaphragm condenser element for exceptionally low noise (8 dB)
Extremely tight polar pattern for long-range sound capture
Transformer-coupled output for smooth sonic character
High sensitivity (-28 dBV) with wide dynamic range (135 dB)
High SPL capability (143 dB) for demanding environments
Patented acoustic port design maintains directionality across the full frequency range
Designed for broadcast, film, television and theatre
Specifications
| Element | Large-diaphragm condenser |
| Polar Pattern | Shotgun (line + gradient) |
| Length | 355 mm |
| Sensitivity | -28 dBV |
| Self-Noise | 8 dB SPL |
| Maximum SPL | 143 dB |
| Dynamic Range | 135 dB |
| Output | Transformer-coupled |





