Sennheiser MD421-II vs Shure SM57
A side-by-side look at Sennheiser MD421-II and Shure SM57 for podcasters: pricing, features, and where each one wins.
Sennheiser MD421-II
A five-decade broadcast standard that defined the sound of radio news
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Shure SM57
Studio workhorse that captures instruments as cleanly as it does voice
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Check price on AmazonAt a glance
| Sennheiser MD421-II | Shure SM57 | |
|---|---|---|
| Starting price | See site | See site |
| Free plan | No | No |
| Free trial | No | No |
| Best for | Podcasters and journalists who want reference-class broadcast sound with decades of real-world validation | Podcasters who also record instruments and want one mic that does both jobs |
Key features
Sennheiser MD421-II
- Cardioid dynamic XLR, no phantom power required
- Frequency response 30 Hz to 17 kHz
- Five-position bass roll-off switch for proximity control
- Suitable for high-SPL sources including percussion and brass
- Three-point clip for secure boom arm or stand mounting
- Proven in broadcast and studio environments since the 1960s
Shure SM57
- Dynamic cardioid XLR, no phantom power needed
- Frequency response 40 Hz to 15 kHz
- Contoured presence boost for instruments and voice
- Flat grille allows extremely close mic placement
- Output impedance 310 ohms
- Pneumatic shock mount system reduces handling noise
Pros and cons
Sennheiser MD421-II
Pros
- Five-position bass roll-off offers precise proximity effect control
- Decades of proven broadcast reliability
- Handles extremely high SPL without distortion
- Versatile - voice and loud instruments equally well
Cons
- Expensive relative to other dynamic mics at this feature level
- Requires significant clean preamp gain
- Proprietary three-point clip takes adjustment to use confidently
Shure SM57
Pros
- Versatile - voice and instruments equally well
- Same legendary build quality and warranty as the SM58
- Outstanding off-axis rejection in loud environments
- No phantom power, runs on anything
Cons
- Flat grille means plosives hit harder - pop filter is more important
- Slightly less presence boost for vocals compared to SM58
- Frequency ceiling at 15 kHz limits high-end air on bright voices
The verdict
Choose Sennheiser MD421-II if
Podcasters and journalists who want reference-class broadcast sound with decades of real-world validation.
The MD421-II is not trendy, but it has been in more professional broadcast environments than any other dynamic microphone alive. The five-position bass roll-off is not a gimmick - each position meaningfully changes the low-frequency character, giving you a degree…
Choose Shure SM57 if
Podcasters who also record instruments and want one mic that does both jobs.
The SM57 is technically an instrument mic, but its tight polar pattern and rejection characteristics make it a solid podcasting mic for anyone who treats it right. The flat grille means you have to work it closer than the SM58,…