Audio Technica BP40
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Manufacturer Information
Audio Technica
https://www.audio-technica.com
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A Microphone Designed for Spoken Voice, at the Heart of a Modern "Broadcast" Approach
The BP40 fits within the spirit of broadcast microphones designed to deliver an immediately usable voice: presence, articulation, and a sense of proximity, without requiring heavy processing to "sound radio." Its large-diaphragm dynamic design aims to achieve the finesse and openness often associated with condenser microphones while retaining the key advantages of dynamics in studio and control room settings: robustness, good handling of high levels, and tolerance of less-than-perfect acoustic environments.
Its wave-shaped visual signature and fully metal construction reflect a product oriented toward intensive use. Where many microphones demand very strict placement, the BP40 emphasizes stability of sound to remain consistent across sessions, guests, and changes in position in front of the mic.
Who Is the BP40 For and What Are Its Uses?
The BP40 is intended for all situations where the spoken voice must remain clear, full, and intelligible: radio studios, podcasts, streaming, voice-over, sets, interviews, and content production. Its hypercardioid directivity helps isolate the main source, making it an excellent choice if your room is not fully treated or if you work with screens, keyboards, PC fans, and background noises that are difficult to eliminate.
It is also well suited for multi-speaker setups (roundtables, guests) thanks to its superior off-axis rejection: less bleed from other voices and greater control during mixing. And if you prefer a consistent sound without being right up against the mic, the optimized capsule positioning helps maintain impressive vocal presence even when the speaker moves slightly away, improving comfort during recording and flow on air.
Technical specifications
| Category | voice microphone | Capsule | dynamic |
| Directivity | hypercardioid | Color | Black |
Questions frequently asked
Is the BP40 suitable for podcasting in an untreated room?
Its hypercardioid pattern helps isolate the spoken voice and limits the capture of room reflections. The off-axis rejection also reduces bleed from side sources.
How does the Audio Technica BP40 handle plosives?
A multi-layer internal windscreen filters pops. A switchable high-pass filter at 100 Hz further reduces plosives, vibrations, and excessive bass.
Does this microphone limit electrical interference during streaming?
The hum-bucking coil is designed to prevent electromagnetic interference, especially from screens, lighting, or power supplies.
Is it possible to move slightly away from the microphone without losing presence?
The optimized capsule positioning is intended to maintain strong vocal presence when the speaker moves slightly away. This design supports consistent performance across takes. The large-diaphragm dynamic capsule delivers a rich and articulate sound.
Is the BP40 designed for spoken voice in radio and voice-over?
This model is intended for broadcasting, podcasting, streaming, interviews, and voice-over use. Its all-metal construction is designed for intensive use.



