The 360° revolving mini shotgun condenser microphone CL-690A is designed with an interference tube to enhance directivity at high frequencies, which capture vocals and speeches more perfectly in a wide range of pro and live sound applications including places of conference, speeches, stations and financial trading centres etc. Especially, the 360° revolving mini shotgun condenser microphone with knuckle joint are becoming so popular due to its precise alignment will give you a good choise to keep the microphone securely and conveniently in its position.