# Sennheiser MD 21

> dynamic microphone

**Wikidata**: [Q102272641](https://www.wikidata.org/wiki/Q102272641)  
**Source**: https://4ort.xyz/entity/sennheiser-md-21

## Summary
The Sennheiser MD 21 is a dynamic microphone manufactured by the German audio company Sennheiser. It is classified within the broader category of dynamic microphone designs.

## Key Facts
*   **Product Name:** Sennheiser MD 21
*   **Type:** Dynamic microphone
*   **Manufacturer:** Sennheiser
*   **Country of Origin:** Germany
*   **Classification:** Instance of a dynamic microphone
*   **Google Knowledge Graph ID:** /g/11mw8jgjs3
*   **Commons Category:** Sennheiser MD 21
*   **Wikipedia Presence:** Available in German (de) and on Wikimedia Commons

## FAQs
### Q: What type of microphone is the Sennheiser MD 21?
A: The Sennheiser MD 21 is a dynamic microphone.

### Q: Who is the manufacturer of the MD 21?
A: The microphone is manufactured by Sennheiser.

### Q: What is the country of origin for the Sennheiser MD 21?
A: The device is of German origin.

## Why It Matters
The Sennheiser MD 21 represents a specific model within the legacy of German audio engineering by Sennheiser. As a dynamic microphone, it utilizes an electromagnetic induction design, a standard in the industry for robustness and reliability. While specific historical usage details are sparse in the provided data, its classification as a dynamic microphone places it among the most widely used types of audio transducers for recording and sound reinforcement. Its existence as a distinct entity with a dedicated Commons category and Google Knowledge Graph entry indicates it is a recognized piece of audio equipment within the Sennheiser product lineage.

## Notable For
*   **German Engineering:** Identified as a product of German origin.
*   **Dynamic Design:** Classified specifically as a dynamic microphone.
*   **Brand Heritage:** A distinct model produced by the established manufacturer Sennheiser.

## Body
### Design and Classification
The Sennheiser MD 21 is officially classified as a **dynamic microphone**. In the context of audio technology, this refers to a type of microphone design that uses a diaphragm attached to a coil suspended in a magnetic field to generate an electrical signal. This classification is the primary technical descriptor for the entity.

### Manufacturing and Origin
The MD 21 is produced by **Sennheiser**, a prominent audio company. According to structured data properties, the country of origin for this device is **Germany**. The device is listed in the Google Knowledge Graph under the ID `/g/11mw8jgjs3` and maintains a presence on Wikimedia Commons under the category "Sennheiser MD 21." It is also documented in German-language Wikipedia resources.