Shure 245 is a unidirectional ceramic microphone designed for quality public address communications and recording. Its cardioid pattern reduces feedback and allows for effective noise reduction. It has a wide pickup angle at the front and a reduced rear response, making it suitable for use in reverberant environments. It can be used handheld or mounted on a stand or gooseneck. The 245S and 245GS models have a built-in switch for momentary or locking operation.