K&M
K&M 21447 Distance Rod Ring Lock PA Speaker Stand
The K&M 21447 Distance Rod delivers a vibration-free, ring-lock connection between your PA speaker and subwoofer for rock-solid live sound.
$79.99*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.
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Overview
Key Features
EXPANDING MANDREL: This pole stand’s expanding mandrel is designed to tightly fit the speakers without any backlash, ensuring stability during use. It helps prevent any movement or instability of the speakers, contributing to a reliable and secure setup.
LOW-RESONANCE: The plastic expansion jaws of this dj speaker stand are used to connect the speaker and the tube to minimize resonance. As a result, the sound quality and clarity are enhanced, as there is less interference or distortion in the connection.
USER FRIENDLY: The speaker pole comes with a clamping ring, simplifying the handling process. This allows users to easily grip and manipulate the rod, enabling them to set it up quickly and securely without requiring any additional tools or equipment.
SCREW MOUNT: The bottom of the rod of this heavy duty speaker stand is equipped with an M20 threaded bolt, which is compatible with mounting plate 24116. This feature ensures a robust and secure installation for stability and reliability.
VIBRATION FREE: The connection facilitated by this speaker pole mount is vibration-free as a result of the moveable plastic splints which serve to stabilize the connection, minimizing any potential vibrations that could affect the performance of the rod.
Specifications
Brand
K&M (König & Meyer)
Model
21447
Material
Steel with plastic expansion jaws
Color
Black
Thread Size
M20
Compatible Mounting Plate
K&M 24116
Weight
1.65 lbs
Dimensions
11.81 x 3.74 x 2.76 inches
Pros & Cons
👍 Pros
- Expanding mandrel grips speaker sockets tightly with zero backlash
- Ring lock clamping mechanism allows fast, tool-free setup
- Plastic expansion jaws reduce resonance transfer between speaker and subwoofer
- Moveable plastic splints eliminate vibration at the connection point
- Durable steel construction with a compact, lightweight design at 1.65 lbs
👎 Cons
- Fixed length with no height adjustment capability
- Heat sink or mounting plate (24116) must be purchased separately
- M20 thread limits compatibility to subwoofers and plates with matching M20 sockets
- Plastic expansion jaws may wear over time with frequent setup and teardown
Frequently Asked Questions
What speaker mounting diameter does the K&M 21447 expanding mandrel fit?
The expanding mandrel uses plastic expansion jaws that tighten to fit standard 35mm PA speaker pole sockets, gripping securely without backlash.
How does the ring lock mechanism work on this distance rod?
A clamping ring on the rod allows you to lock the height and position with a simple twist — no tools required. This makes setup and teardown faster at gigs.
What thread size is on the bottom of the K&M 21447?
The base features an M20 threaded bolt, which is compatible with the K&M 24116 mounting plate and other M20-threaded subwoofer tops.
Is this distance rod adjustable in length?
No, the 21447 is a fixed-length distance rod (approximately 300mm). If you need height adjustment, K&M offers telescoping models separately.
What material is the K&M 21447 made from?
The rod body is steel with a black powder-coat finish, while the expansion jaws and stabilizing splints are made of low-resonance plastic.
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