Professional Series Noise Free 6ft Patch Cables by GLS Audio. They have a thick, high quality, flexible rubber jacket. They have a 3 pin female XLR on one end and a 1/4" TRS on the other end. They are hand wired & hand soldered. The XLR has a double strain relief (internal Tri-GripTM and external rubber booty). As you can see in the above picture, the female XLR locking end has a rubber grommet.