K&M Stands 21140 Boom Arm (Black)

Adjustable Boom Arm for Versatile Microphone Placement
The K&M 21140.500.55 is a black-finished, two-piece telescopic boom arm built to provide reliable microphone positioning in studio, stage, or broadcast environments. With a length that adjusts from 16.73" to 28.54", this boom arm offers flexible reach for a wide range of mic applications including vocals, drums, overheads, instruments, and ensemble setups.

Telescoping Length Adapts to Every Setup
Whether you need short-range mic positioning for amps or long overhead reach for choirs or cymbals, the telescopic design of the 21140 adapts quickly and securely. Its adjustable boom length gives you complete control over placement without needing to reposition the entire mic stand.

Silent and Scratch-Free Adjustment Mechanism
This boom arm features a smooth-action swivel joint designed for silent angle changes. The joint not only protects your mic stand’s finish from scratches but also ensures that repositioning doesn't introduce unwanted noise during recording or live sound use—ideal for delicate studio environments.

Wing Nut Clamping Holds Position Securely
A large, easy-to-grip wing nut clamp locks the boom length and angle into place. This intuitive locking system provides excellent holding power even with heavier microphones, helping you maintain a consistent mic position throughout performances or recording sessions.

Standard Threading for Broad Compatibility
Outfitted with a 5/8" threaded connector, the 21140 boom arm works with nearly all standard microphone clips and shock mounts. Whether you're upgrading an existing stand or building a custom setup, this boom arm integrates seamlessly into most professional audio workflows.

Durable Steel Construction With Professional Finish
Built from steel and finished in matte black, this boom arm is designed to handle the wear and tear of professional use while blending discreetly into studio or stage setups. The included locking washer and plastic grip make installation quick, stable, and user-friendly.

A Practical Addition to Any Mic Stand Configuration
From musicians and engineers to podcasters and content creators, the K&M 21140.500.55 is a practical, high-performance boom arm designed for consistent use. Its length, control, and construction make it a dependable upgrade for any serious audio rig.