Coil professional audio cable for the audio cable assembly based on 3-pin XLR, 6.3mm jack, etc. The XLR 3-pin connector is the standard used in balanced lines for professional audio applications. It is also the standard connector used in entertainment lighting equipment to transmit the digital signal or DMX512 DMX control. His nickname Cannon is due to the original manufacturer ITT/CANNON. Coil para mounting professional audio cables.