The AT4051b Cardioid Condenser Microphone from Audio-Technica consists of the company's AT4900b-48 microphone body and the AT4051b-EL cardioid head capsule. It is suitable for field or studio use and features a cardioid pickup pattern that reduces off-axis pickup, providing isolation of the desired sound source. The microphone's internal transformerless circuitry reduces distortion and provides correlation of high-speed transients. There is a direct-coupled balanced output for a clean signal under high-output conditions and a strong turned-brass housing for durability. A switchable high-pass filter reduces low frequency noise, and a -10 dB pad picks up loud sound sources. The package includes a microphone stand clamp, a windscreen, and carrying case.