Audio Technica PRO 37 Small-Diaphragm Cardioid Condenser MicrophoneThe PRO 37 has established itself as a versatile solution for studio recording and live performance. With a low mass element for superb transient response and a low profile design for optimal mic placement, this mic excels in high SPL applications. It is ideal for acoustic guitar, overheads, piano and group vocals. Its cardioid polar pattern reduces pickup of sounds from the sides and rear, improving isolation of the desired sound source.