K&M 21337 - 0 - 55
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What you need to know
What you need to know
- Reliable and Play-Free Connection : ensures a stable assembly with zero play and perfectly maintained verticality.
- M20 Fixing : lower M20 threading designed for the 24116 connection plate.
- Secure Height Adjustment : quick adjustment thanks to a spring locking screw.
- Double Safety : reinforced hold with a safety bolt for worry-free installation during events.
Manufacturer Information
K&M
https://www.k-m.de
contact@k-m.de
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Safety manager:
Algam SAS
Email: contact@algam.net
Address:
An Essential Accessory for "Satellite + Subwoofer" Configurations
Designed to efficiently connect various elements of a satellite-type sound system, this steel tube combination naturally fits into stage, DJ, or event setups. Its M20 interface allows coherent assembly with compatible connection plates, particularly the 24116, while prioritizing stability and precise alignment.
Who Is It For and What Is Its Use?
This coupling tube is intended for users seeking a clean, rigid, and perfectly vertical mechanical link between their sound components. Ideal for mobile events, fixed installations, or rentals, it facilitates quick assembly while minimizing micro-movements that could cause vibrations or a feeling of instability.
Stability, Adjustment, and Safety: A Design Made for the Field
M20 Threading for Coherent Assembly
The lower M20 threading allows secure attachment to a dedicated connection plate, providing a safe base and reproducible setup from one event to another.
Height Adjustment with Locking
Adjustment is done via a spring locking screw that facilitates height setting, while the safety bolt provides additional security to maintain position.
Technical specifications
| Multiple stand | No | Support | for speaker |
| Security/locking | Yes | Color | Black |
| Category | link tube | Maximum supported weight | 35 kg |
| Use | PA speaker | Weight | 2.5 kg |
| Material | plastic - steel | minimum height | 905 mm |
| Height adjustable | Yes | maximum height | 1450 mm |
Questions frequently asked
Is the K&M 21337-0-55 compatible with an M20 plate?
The M20 threading at the base ensures attachment to a compatible connection plate, notably reference 24116. This connection is designed for satellite + subwoofer setups.
What height does this speaker pole offer?
The height adjusts from 905 to 1450 mm. A spring-loaded locking screw facilitates adjustment, complemented by a safety bolt to secure the position.
What is the maximum load capacity of this connecting pole?
The maximum load supported is 35 kg.
Is the K&M pole secured once the height is adjusted?
A safety bolt complements the spring-loaded locking screw. Position holding is thus ensured when adjusted between 905 and 1450 mm.
What material is this satellite-subwoofer pole made of?
The construction is steel with a black finish. Its weight is 2.5 kg.



