Sennheiser

Sennheiser 700366 Professional MD 421 Kompakt Microphone

XLR30 Hz–17 kHz

Capture Sound with Legendary ClarityThe Sennheiser Professional MD 421 Kompakt dynamic cardioid microphone delivers the performance of the original MD 421 and MD 421-II in a compact, multipurpose design. It features a completely redesigned mounting clip, remarkable dynamic range, and pristine sou...

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Capture Sound with Legendary Clarity

The Sennheiser Professional MD 421 Kompakt dynamic cardioid microphone delivers the performance of the original MD 421 and MD 421-II in a compact, multipurpose design. It features a completely redesigned mounting clip, remarkable dynamic range, and pristine sound reproduction for live sound and recording applications.

Key Features:

  • Legendary MD 421 performance for high sound pressure levels
  • Compact, multipurpose size with rugged German engineering
  • Stainless steel basket, gold-plated XLR connectors, and protective inner chassis
  • Redesigned mounting clip
  • Wide frequency response: 30 Hz – 17 kHz

Specifications:

  • Item Dimensions (L x W x H): 10.2 x 4.7 x 3.1 inches
  • Power Source: Corded Electric
  • Number of Channels: 1
  • Frequency Response: 30 Hz – 17 kHz
  • Connector Type: XLR
  • Polar Pattern: Unidirectional
  • Item Weight: 13.1 ounces (0.82 Pounds)
  • Microphone Form Factor: Mini

Included Components:

  • Microphone MD 421 KOMPAKT
  • Pouch
  • Quick Guide
  • Safety Guide

Key Features

Legendary MD 421 performance handles exceptionally high sound pressure levels in demanding environments, capturing pristine audio with remarkable fidelity and detail.

Compact, multipurpose size, and rugged German engineering offer enhanced versatility able to withstand the rigors of touring and heavy studio use while ensuring consistent performance.

Features a rugged frame with stainless-steel basket, and gold-plated XLR connectors for durability and longevity. Protective inner chassis enclosure reduces exposure to dust and humidity.

Redesigned mounting clip securely affixes to the microphone for easy, worry-free mounting with any application. Optional MZH Drum Clamp securely screws into the MD 421 Kompakt mounting clip to create a fail-safe mechanism for drum miking.

Wide frequency response range of 30 Hz–17 kHz, allows for faithful reproduction of both lows and highs, while the innovative internal bass tube ensures accurate and extended low-end response.

Specifications

Brand
Sennheiser
Model
MD 421 Kompakt
Construction Material
Stainless-steel basket
Connector Type
Gold-plated XLR
Frequency Response Range
30 Hz–17 kHz

Pros & Cons

👍 Pros

  • Handles exceptionally high sound pressure levels, ideal for loud instruments and vocals without distortion.
  • Rugged German engineering with a stainless-steel basket ensures lasting durability for touring and studio use.
  • Gold-plated XLR connectors offer reliable, high-quality signal transfer for consistent audio performance.
  • Protective inner chassis enclosure helps reduce exposure to dust and humidity, extending microphone lifespan.
  • Wide frequency response of 30 Hz–17 kHz faithfully reproduces both low and high frequencies.

👎 Cons

  • The mounting clip is specifically redesigned for this model, potentially requiring familiarity with its attachment mechanism.
  • An optional MZH Drum Clamp is needed for a fail-safe drum miking mechanism, adding to the overall cost for drummers.
  • The microphone's compact size might be a consideration for those preferring a larger, more traditional form factor.
  • Its professional-grade features and robust construction suggest it may be a higher-priced option.

Frequently Asked Questions

The Sennheiser MD 421 Kompakt Microphone is designed to handle exceptionally high sound pressure levels, ensuring pristine audio capture even in challenging settings.
It features rugged German engineering, including a stainless-steel basket and gold-plated XLR connectors, built to withstand touring and heavy studio use.
Yes, it boasts a wide frequency response range of 30 Hz–17 kHz, allowing for faithful reproduction of both low and high frequencies, supported by an innovative internal bass tube.
Yes, a redesigned mounting clip is included and securely affixes to the microphone for easy, worry-free mounting in various applications.
It includes a protective inner chassis enclosure that reduces exposure to dust and humidity, contributing to its durability and longevity.