Check the listing for details. On-Stage MBS5000 Broadcast Mic Boom Black. Color: Black, Condition: New. Listed at 75.95 USD. The MBS5000 is a professional articulating mic boom intended for broadcast and webcast applications. Two pairs of springs provide just the right counterbalance for popular broadcast microphones or other devices weighing up to 3.5 lb. Designed for the studio environment, the MBS5000 allows for quiet, easy and repeatable positioning, even while on-air. Square-tubing construction ensures strength and long service life. A 10' XLR cable is pre-installed within the tubing for a clean look. A stem with standard 5/8"-27 threading mates with all common mic clips and offers plenty of room for oversized shock mounts. Additionally, the MBS5000 comes with two mounting options. One is a removable C-clamp capable of grasping desktops and other surfaces up to 2" thick.