Sennheiser MD 421-II
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- This item is covered for 3 years
The essential facts about the Sennheiser MD 421 microphone
The essential facts about the Sennheiser MD 421 microphone
- Studio/stage versatility: vocals, drums, brass, guitar, piano, speech and backing vocals
- 5-position bass roll-off switch to control the proximity effect and room acoustics
- Cardioid pickup pattern for good isolation and effective feedback rejection
- Transparent sound with an extended frequency response from 30 to 17,000 Hz
Manufacturer Information
Sennheiser
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Essential Information About the Sennheiser MD 421 Microphone
- Studio/Stage Versatility: vocals, drums, brass, guitar, piano, speech, and choirs
- 5-Position Bass Attenuator to control proximity effect and room acoustics
- Cardioid Polar Pattern for good isolation and effective feedback resistance
- Transparent Sound with extended frequency response from 30 to 17,000 Hz
A Classic That Has Become an International Reference
Designed to meet professional demands, the Sennheiser MD 421 has established itself as a reliable choice among sound engineers. Its robust design and clear sonic signature make it a sought-after standard for musical applications, speech capture, and broadcasting.
Who Is It For and In What Contexts?
The MD 421 is suitable for anyone seeking a reliable and versatile microphone, from project studios to the stage. It excels on kick drums and drum shells, accurately captures speech and choirs, and highlights brass, guitar, and piano, all while remaining easy to position.
What Makes the Difference in Use
Customizable Bass Control
The 5-position switch allows fine adjustment of the low-end curve. This tames excess bass caused by proximity or room resonances, resulting in a clearer source and easier mixing.
Effective Cardioid Directionality
Its cardioid pattern favors the targeted source and reduces off-axis pickup, contributing to signal "cleanliness," better feedback resistance, and more controlled recording in reverberant environments.
Technical specifications
| Frequency response - start | 30 Hz | Directivity | cardioid |
| Frequency response - end | 18 kHz | Capsule | dynamic |
| Category | instrument microphone | Color | Black |
| Polar pattern | cardioid | Nominal impedance | 200 Ohm |
| Bass switch | 5 levels | Minimum load impedance | 200 Ohm |
| Frequency response | 30 - 17,000 Hz | Suitable for | vocals, guitar, brass, drums |
| Open-circuit sensitivity (1 kHz) | 2 mV/Pa (+/-3 dB) | Ideal for | kick drum, drum shells, piano, speech, choirs |
| Sound reproduction | transparent | Dimensions | 215 x 46 x 49 mm |
| Feedback resistance | good | Weight | 385 g |
Customer reviews
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I have not had the opportunity to test it even though I know the qualities of this product.
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MD421, if you know what it is, you know how it sounds. Pinch as usual...
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Questions frequently asked
Is the Sennheiser MD 421-II suitable for kick drum?
The dynamic capsule is designed for the kick drum and drum shells. Its frequency response ranges from 30 Hz to 18 kHz, covering the low fundamentals and the attack of the hit.
How does the bass adjustment of the MD 421-II work?
The bass switch offers 5 positions. It allows adjusting the low end depending on the proximity of the source or room resonances. This adjustment helps limit excessive bass during recording.
Is this microphone suitable for vocals and choirs?
With a cardioid pattern, the pickup emphasizes the source placed in front of the microphone and reduces side sounds. Speech and choirs are among the recommended applications.
What is the polar pattern of this microphone?
The cardioid polar pattern helps reduce side pickup and provides good resistance to feedback.
What are the dimensions and weight of the MD 421-II?
Its size measures 215 x 46 x 49 mm with a weight of 385 g.



