The SMA1204FBQ-75 is a 75ft 16-channel (12) Mic and (4) TRS returns fan / box StageMASTER multipair audio snake cable. StageMASTER stage snakes are medium duty, general purpose snake options. They are perfect for permanent install and club PA system use. The StageMASTER "T" bar construction makes for an indestructible box in a compact format.