Audio-Technica AT4900B-48 Electronic / Body OnlySpecially 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 Rugged turned brass microphone housing for enduring dependability