The Audio-Technica BP40 is a large-diaphragm hypercardioid moving-coil dynamic broadcast microphone. It uses a 37 mm capsule on a flexible internal suspension, a humbucking voice coil and a switchable 100 Hz high-pass filter, intended for voice broadcast, podcast and voiceover work.
Key Features
37 mm large-diaphragm dynamic capsule
Hypercardioid polar pattern
Humbucking voice coil for EMI rejection
Switchable 100 Hz high-pass filter
Multistage internal windscreen
Capsule set back from grille for consistent response
Rugged metal housing
3-pin XLR output
Specifications
| Type | Dynamic |
| Polar pattern | Hypercardioid |
| Frequency response | 50 Hz to 16 kHz |
| Sensitivity | 3.9 mV at 1 Pa |
| Impedance | 450 ohms |
| Filter | Switchable 100 Hz HPF |
| Connector | 3-pin XLR |
| Length | 164 mm |
| Diameter | 56 mm |
| Weight | 632 g |





