Sennheiser MD 421-II Dynamic Cardioid Microphone


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Sennheiser MD421 Dynamic Instrument Microphone

Gearank Recommended

The MD 421-II appeared on our recommended list for Vocal Studio Mics from April 2021 until July 2022 when it was out-ranked by the Lewitt LCT 440 Pure, Shure SM7B and Electro-Voice RE20.

It also appears on our list for Microphones for Recording Acoustic Guitar which it has done since April 2021.


The Sennheiser MD421 II is a dynamic mic that's designed to handle really loud sound sources, so much so that the they don't even list the max SPL of the mic. They just mentioned that 160dB may cause some issues, but it's a sound level that's very hard to find in real world situations.

With its high SPL handling and its five position bass roll-off switch, this mic can capture any sound source, from loud snare, to guitar and bass amps - used by pros like Kurt Cobain, Elton John, Owl City and many more. Interestingly, this mic also works really well with vocals, specifically for rap, scream, shout and other loud vocal styles.

If you are planning on recording vocals mostly for rock music and similar musical styles, or if you're looking for a versatile high SPL dynamic mic for recording, then get the Sennheiser MD421.


  • Type: Dynamic
  • Polar Pattern: Cardioid
  • Frequency Response: 30 to 17,000 Hz
  • Impedance: 200 ohms
  • Maximum SPL: 160 dB
  • Five position bass roll-off switch
  • Power Requirements: None