The Audio-Technica AT4049B is an omnidirectional condenser microphone from the modular AT40 series, suitable for a wide range of professional applications including orchestral recording, ambience capture and measurement. Its direct-coupled balanced output delivers clean signals free from transformer-related distortion, with fast transient response for open, transparent reproduction.
Condenser
Type
Omnidirectional
Polar Pattern
Modular
Design · Interchangeable capsules
Modular Components
Comprises two subassemblies that can be purchased separately.
AT4900b-48 Body
AT4049b-EL Omni Capsule
Interchangeable Capsules
Additional capsules available for different polar patterns.
AT4051b-EL (Cardioid)
AT4053b-EL (Hypercardioid)
Features
Omnidirectional capsule included (AT4049b-EL)
Modular design with interchangeable capsules
Direct-coupled balanced output (transformerless)
Fast transient response for transparent reproduction
Clean signals in high-output conditions
Suitable for orchestral, ambient and measurement applications
Specifications
| Element Type | Condenser |
| Polar Pattern | Omnidirectional |
| Frequency Response | 20-20,000 Hz |
| Phantom Power | 48V DC |
| Connector | 3-pin XLRM |
| Construction | Modular (AT4900b-48 body + AT4049b-EL capsule) |
















