Description
The K&M 21140 Boom Arm is a durable and adjustable two-piece telescopic boom arm designed for professional recording, broadcasting, and live performances. With an adjustable length from 16.73" to 28.54", it offers secure and precise microphone positioning. The standard 5/8" threaded connector ensures wide compatibility with various microphone holders. A locking washer keeps the microphone stable, while the smooth wing nut adjustment allows for silent and scratch-free handling. The comfortable plastic grip enhances ease of use and maneuverability.
Product Specifications:
Color: Black
Material: Steel
Boom Arm Design: Two-piece telescopic
Boom Arm Length: 16.73" - 28.54" (425 - 725 mm)
Clamping Mechanism: Wing nut
Threaded Connector: 5/8"
Weight: 1.28 lbs (0.58 kg)
Financing Options
Hassle-Free Financing Available
Get the gear you need now and pay over time. Perfect for working DJs, artists, and sound pros who need pro-grade speakers, lighting, and cases to stay competitive.
- Shop Pay & Afterpay for instant financing right at checkout
- Acima, Synchrony, Progressive & Snap lease-to-own and financing options
- Fast approvals so you buy today and pay monthly
Military & First Responder Discounts
We're proud to support those who serve. Active-duty military, veterans, and first responders qualify for a special discount on your gear. See our Military Discount details here and how to redeem.

