K&M
K&M 21110.500.55 Classic Telescopic Boom Arm - Black
★★★★★
German-engineered telescopic boom arm with smooth swivel adjustment and a T-Bar lock that fits any standard 5/8" mic stand.
$47.99*
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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.
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Overview
Key Features
THE INNOVATIVE LEADER IN STAND TECHNOLOGY: Accompanying our best-selling stand is the K&M two-piece telescopic mic boom arm. Used by both professionals and beginners, It’s easy to assemble and adjust while allowing for maximum durability and stability.
CALLING ALL MUSICIANS: An easy-to-tighten wing nut ensures that the boom arm design is a dependable addition to any stand on stage, recording studio or at practice. K&M stands and accessories are designed to be your go-to and give many years of service!
TRUSTED DESIGN: The telescopic boom arm extends 17” to 29” and has a T-Bar locking system that securely screws to any stand with a ⅝” threaded connector. A swivel joint provides a smooth, silent and scratch-free adjustment to angle the microphone.
SUPERIOR QUALITY: Reflecting our commitment to world-class construction, the Two-Piece Telescopic Boom Arm is made in Germany. Designed with the highest standards, we offer a 5-year product warranty and 10-year on replacement parts availability.
ECO-FRIENDLY: For over 70 years, K & M has been the desired brand for premium stands and holders. Committed to environmental impact. Protection and responsible resource consumption, our eco-conscious company has an ISO- 14001 environmental certification.
Specifications
Material
Alloy Steel
Color
Black
Telescopic Range
17" to 29"
Connector
5/8" Threaded
Locking System
T-Bar
Dimensions
19.29 x 2.76 x 1.57 inches
Weight
1 lb
Country of Origin
Germany
Warranty
5-Year Product, 10-Year Parts Availability
Pros & Cons
👍 Pros
- Extends from 17 to 29 inches, offering versatile reach for a variety of mic positioning needs
- T-Bar locking system provides a secure, wobble-free connection to standard 5/8" threaded stands
- Swivel joint allows silent, scratch-free angle adjustments during live or studio use
- Made in Germany with a 5-year warranty and 10-year replacement parts guarantee
- Lightweight at one pound, adding minimal weight to the top of your stand
👎 Cons
- Does not include a counterweight, which may cause lighter stands to tip when fully extended
- Wing nut tightening mechanism can loosen over time under heavier microphones
- Two-piece design requires assembly rather than being a single ready-to-use unit
- Only available in black, offering no color options for visibility-sensitive stage setups
Frequently Asked Questions
What is the length range of the K&M 21110 boom arm when extended?
The two-piece telescopic design extends from 17 inches to 29 inches, giving you a wide adjustment range for positioning your microphone.
How does the boom arm attach to a microphone stand?
It uses a T-Bar locking system that screws onto any stand with a standard 5/8" threaded connector, which is the most common size for professional microphone stands.
Does the swivel joint on this boom arm make noise when adjusting?
No, the swivel joint is engineered for smooth, silent, and scratch-free adjustment, so you can reposition during recording or performance without introducing unwanted noise.
What warranty does K&M offer on this boom arm?
K&M provides a 5-year product warranty and guarantees replacement parts availability for 10 years.
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