The SONY ECM-55B microphone offers a high sound output with an Omni directional polar pattern. This SONY CONDENSER CABLE PROFESSIONAL MICROPHONE is widely used for news and interviews and acting theatres. The metal mesh windscreen in this SONY microphone cuts the outdoor wind noise and the popping noise that sometimes occurs when the speaker or a singer suddenly makes a forceful sound such as "P". The SONY ECM-55B microphone offers the convenience of a two-way powering system that lets you operate this SONY microphone on either an internal battery system or an external 48 volt phantom power. With a frequency response of 30 Hz-18 KHz, this SONY CONDENSER CABLE PROFESSIONAL MICROPHONE tells you how well the microphone “hears” audio frequencies from the lowest to the highest. The SONY ECM-55B microphone is like a workhorse with its performance and can easily top your list when it comes to choosing a microphone.