The Audio-Technica BP28L Line + Gradient Large Diaphragm Condenser Microphone is engineered for the highest level of performance in Location Sound Recording. With a 56.8 cm length, this shotgun microphone features an extremely narrow, highly directional pickup pattern, perfect for long-range sound capture. Its large-diaphragm condenser element and optimized circuitry provide incredibly low noise (3 dB) and exceptional clarity in even the most demanding environments, be it on set or in the field.
The BP28L offers outstanding sensitivity (-23 dBV), a wide dynamic range (135 dB), and high-SPL capability (138 dB), ensuring precise and accurate sound reproduction. Its transformer-coupled output delivers a smooth, natural sonic character, while the rugged, lightweight aluminum alloy housing ensures durability. Equipped with a switchable 80 Hz high-pass filter and 10 dB pad, the Audio-Technica BP28L guarantees reliable performance in any professional setting.
Audio-Technica BP28L features
- Large-diaphragm condenser element and optimized circuitry deliver exceptional low-noise performance – ideal for film/TV production and broadcasting applications
- Overall length of 567.9 mm with an extremely narrow, highly directional pickup pattern
- Transformer-coupled output provides smooth sonic character
- Extremely high sensitivity (-23 dBV), wide dynamic range (135 dB), and high-SPL capability (138 dB)
- Flat frequency response for accurate sound reproduction
- Rugged housing made of lightweight, structural-grade aluminum alloy
- Switchable 80 Hz high-pass filter and 10 dB pad
- Patented acoustic port design maintains directionality across the entire frequency range
Audio-Technica BP28L Specifications
| Polar Pattern |
Line directional |
| Frequency Response |
20-20,000 Hz |
| Low Frequency Roll Off |
80 Hz, 18 dB/octave |
| Open Circuit Sensitivity |
-23 dB(70.8 mV) (0 dB=1 V/Pa, 1 kHz) |
| Maximum Input Sound Level |
138 dB SPL (1 kHz at 1% THD), 148 dB SPL (When pad is on.) |
| Noise |
3 dB SPL (A-weighted) |
| Dynamic Range |
135 dB (1 kHz at Max SPL) |
| Signal-to-Noise Ratio |
91 dB (1 kHz at 1 Pa, A-weighted) |
| Phantom Power Requirements |
11- 52 V DC, 3.4 mA |
| Switches |
Low cut: on/off, Pad: on/off |
| Weight |
313 g |
| Dimensions |
567.9 mm long, 28.0 mm maximum body diameter |
| Output Connector |
Integral 3-pin XLR-M type |
| Accessories Included |
Windscreen (AT8169)
holder (AT8470)
stand adapter (3/8”-5/8”) |
