The AT4900b-48 is a body only. You need to choose interchangeable capsule available in cardioid (AT4051b-EL), omni (AT4049b-EL) and hypercardioid (AT4053b-EL).
• Specially engineered to meet the most critical acoustic requirements
• Direct-coupled, balanced output results in a clean signal
• Need head capsule sold separately (AT4049b-EL, AT4051b-EL or AT4053b-EL)
• Transformerless circuitry virtually eliminates low-frequency distortion
• Switchable 80 Hz hi-pass filter and 10 dB pad