DPA 2015 Compact Wide Cardioid Condenser Microphones (Stereo Pair)The 2015 Compact Wide Cardioid Microphone is for ambient pick up of a drum kit or other instrument groups. In a live situation when a conventional cardioid pattern isnt quite open enough, choose a pair of 2015 Compact Wide Cardioids. They work ideally as overheads to capture a balanced sound of the entire group of instruments, like a drum kit. Also, when recording instrument groups with complex radiation patterns, the wide cardioid (also known as