At its core the MSA9800 Microphone Tele-boom with Dual Mic Capability is a pro-level boom arm with solid steel construction secure metal knobs and black powder-coated finish. The length adjusts from 21.5 ? 36 and the cats-eye knob easily adjusts angle positions. The MSA9800?s unique functionality allows you the option to remove the counterweight and add a second mic to the opposing 5/8 -27 threaded end providing space-saving versatility on the road or in the studio. Reconfigure your approach to tele-boom utility with the On-Stage MSA9800.