The Audio2000'S ADC203K cables are high quality dual XLR male to dual XLR female balanced audio cables / patch cables / microphone cables. The signal wires and shielding layer are made of pure oxygen-free copper for the audio signal transmission integrity. The total length of each of the dual cables is 50 feet. The configuration of the ADC203K dual balanced cables eliminate the ambient signal interference. The male XLR connectors and the female XLR connectors are made of metal for durability, dependability, and reliability.