These are Pro-Grade, balanced microphone cables, commonly used to carry low-level signals.
Microphone outputs must be amplified and when a microphone feed is amplified, any interference will also be amplified.Stage Right STARQUAD XLR Microphone Cables' four cores are very tightly twisted with each other and rotate over a relatively short length, very similar to what is found in an Ethernet cable.Because of the nature of taking a performance on tour, the layout of the venue and the stage is widely unknown. Stage Right by Monoprice STARQUAD XLR Microphone Cable, Optimized for Analog Audio - Gold Contacts, XLR-M to XLR-F, 24AWG, 35FT, Black This arrangement results in a greatly improved rejection of electromagnetic interference, compared to standard two-core balanced mic cables.