The Audio-Technica BP28L is the longer 568 mm variant of the BP28 large-diaphragm shotgun microphone, offering an even tighter polar pattern for extended-range sound capture. With an exceptionally low self-noise of just 3 dB and a transformer-coupled output, it is purpose-built for broadcast, film, television and theatre applications where maximum reach and minimal noise are critical.
Length
568 mm
Self-Noise
3 dB
Sensitivity
-23 dBV
Max SPL
138 dB
Dynamic Range
135 dB
Features
✓
Large-diaphragm condenser element with exceptionally low self-noise (3 dB)
Large-diaphragm condenser element with exceptionally low self-noise (3 dB)
✓
Extended 568 mm length for extremely tight polar pattern
Extended 568 mm length for extremely tight polar pattern
✓
Transformer-coupled output for smooth sonic character
Transformer-coupled output for smooth sonic character
✓
High sensitivity (-23 dBV) with wide dynamic range (135 dB)
High sensitivity (-23 dBV) with wide dynamic range (135 dB)
✓
High SPL capability (138 dB) for demanding environments
High SPL capability (138 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 | 568 mm |
| Sensitivity | -23 dBV |
| Self-Noise | 3 dB SPL |
| Maximum SPL | 138 dB |
| Dynamic Range | 135 dB |
| Output | Transformer-coupled |
