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.
Length
355 mm
Self-Noise
8 dB
Sensitivity
-28 dBV
Max SPL
143 dB
Dynamic Range
135 dB
Features
✓
Large-diaphragm condenser element for exceptionally low noise (8 dB)
Large-diaphragm condenser element for exceptionally low noise (8 dB)
✓
Extremely tight polar pattern for long-range sound capture
Extremely tight polar pattern for long-range sound capture
✓
Transformer-coupled output for smooth sonic character
Transformer-coupled output for smooth sonic character
✓
High sensitivity (-28 dBV) with wide dynamic range (135 dB)
High sensitivity (-28 dBV) with wide dynamic range (135 dB)
✓
High SPL capability (143 dB) for demanding environments
High SPL capability (143 dB) for demanding environments
✓
Patented acoustic port design maintains directionality across the full frequency range
Patented acoustic port design maintains directionality across the full frequency range
✓
Designed for broadcast, film, television and theatre
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 |











