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Sennheiser

Sennheiser MD-421-KOMPAKT Multipurpose Cardioid Dynamic Microphone

$299.00

A workhorse mic that can handle a wide variety of studio and live tasks, the Sennheiser MD 421 KOMPAKT Microphone features the same cardioid, dynamic mic element from the original 421 popularized by the recording and broadcast industry, but housed in a smaller, more compact chassis with an updated mounting clip that makes it easier to position, especially on drum kits. The smaller size also gives the mic a lower profile for podcasting applications.

View Product Features

  • Drums, Instruments, Vocals & Podcasting
  • Dynamic Capsule for Live and Studio
  • Improved Mounting Clip
  • Small Size for Easy & Precise Placement
  • Clear, Detailed Sound Reproduction
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About the Sennheiser MD-421-KOMPAKT Multipurpose Cardioid Dynamic Microphone

The Sennheiser MD-421-KOMPAKT is a versatile, professional-grade cardioid dynamic microphone that represents a modernized evolution of the classic MD 421 design, updated for contemporary studio and live sound applications. This microphone retains the core sonic characteristics and robust build quality of its predecessor while incorporating practical refinements for improved handling and setup. It is engineered as a true workhorse microphone, capable of delivering exceptional results across a remarkably wide range of sound sources. Its distinctive five-position bass roll-off switch allows engineers to tailor the low-frequency response to suit specific instruments and recording environments, making it equally effective on kick drums, guitar amplifiers, brass instruments, vocals, and percussion. The microphone's cardioid polar pattern provides effective isolation from ambient noise and minimizes feedback, making it suitable for both controlled studio settings and high-volume stage environments.

Sonically, the MD-421-KOMPAKT is characterized by a well-balanced frequency response with a pronounced presence peak in the upper midrange that provides excellent articulation and cut through dense mixes. The dynamic transducer design ensures it can handle extremely high sound pressure levels without distortion, capturing the full impact of loud sources like snare drums and guitar cabinets. Its design includes an internal shock mount system that effectively decouples the capsule from the microphone body, significantly reducing handling noise and stand-transmitted vibrations—a critical feature for drum miking and other applications where physical contact is unavoidable. The microphone's distinctive humbucking coil provides excellent rejection of electromagnetic interference from nearby power transformers and lighting equipment, ensuring a clean signal in electrically noisy environments.

The "KOMPAKT" designation reflects thoughtful design updates including a more compact and streamlined body shape that facilitates easier placement in tight spaces, such as inside drum kits or close to guitar amplifier grilles. The microphone features a standardized threaded stand mount compatible with common shock mounts and clips, improving compatibility with modern accessory systems. Built with a durable metal housing and a resilient finish, it is designed to withstand the physical demands of touring and frequent studio use. With its combination of proven sonic performance, practical versatility, and rugged reliability, the Sennheiser MD-421-KOMPAKT continues the legacy of its iconic predecessor as an indispensable tool for audio professionals seeking a single microphone that can excel in diverse recording and reinforcement scenarios.

Key Features

  • Drums, Instruments, Vocals & Podcasting
  • Dynamic Capsule for Live and Studio
  • Improved Mounting Clip
  • Small Size for Easy & Precise Placement
  • Clear, Detailed Sound Reproduction

Sennheiser MD-421-KOMPAKT Multipurpose Cardioid Dynamic Microphone Specs

Transducer & Polar Pattern
Transducer Type
Dynamic (moving coil)
Polar Pattern
Cardioid
Frequency Response
30 Hz - 17,000 Hz
Bass Roll-off
5-position switch: M (Music), 1, 2, 3, S (Speech)
Sensitivity & Impedance
Sensitivity (1 kHz, 1 Pa)
2.0 mV/Pa
Sensitivity (1 kHz, 1 Pa)
-54 dBV/Pa
Nominal Impedance
200 Ω
Recommended Load Impedance
≥ 1000 Ω
Maximum SPL & Distortion
Maximum SPL
> 150 dB SPL
THD at 1 kHz, 1 Pa
< 0.3%
THD at 1 kHz, 10 Pa
< 0.6%
Physical & Mechanical
Diameter
50 mm
Length
170 mm
Weight
460 g
Body Material
Metal
Finish
Dark gray, textured
Connector
3-pin XLR
Stand Mount
5/8" – 27 thread with 3/8" adapter
Shock Mount
Internal capsule suspension
Directivity & Rejection
Front-to-Back Ratio
> 15 dB at 1 kHz
Off-Axis Rejection (90°)
> 12 dB at 1 kHz
Hum Rejection
Humbucking coil for EMI suppression
Accessories & Environment
Accessories
Stand adapter (5/8" to 3/8"), storage pouch
Operating Temperature
-10°C to +60°C
Storage Temperature
-20°C to +70°C
Relative Humidity
< 90% (non-condensing)

Key Features

  • Drums, Instruments, Vocals & Podcasting
  • Dynamic Capsule for Live and Studio
  • Improved Mounting Clip
  • Small Size for Easy & Precise Placement
  • Clear, Detailed Sound Reproduction
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