K&M 21140 — Two-Piece Telescopic Boom Arm
21140 Overview
The K-M 21140 is a two-piece telescopic boom arm built for professional microphone stand applications requiring precise and repeatable positioning. The 3/8″ threaded connection ensures broad compatibility with standard microphone stand hardware, while the large wing nut delivers smooth, silent, and scratch-free adjustment without marring the finish of the tube. Supplied with a locking washer and plastic grip, this boom arm is suited for studio engineers, live sound technicians, broadcast facilities, and houses of worship seeking a dependable and low-profile boom solution.
The telescopic two-piece design allows for flexible reach adjustment, making it practical across a range of microphone placement scenarios without requiring additional hardware.
Key Features
- Two-Piece Telescopic Design — Provides adjustable reach to accommodate varied microphone placement requirements
- 3/8″ Thread — Compatible with standard microphone stand hardware for broad integration across professional setups
- Large Wing Nut — Enables smooth, silent, and scratch-free tube adjustment for precise and repeatable positioning
- Locking Washer Included — Secures boom position and prevents unintended movement during use
- Plastic Grip Included — Provides a comfortable and secure handhold when repositioning the boom arm
- Black Finish — Low-profile appearance suitable for stage, studio, and broadcast environments
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