Between the Podcaster MKI and SM58, the Podcaster MKI comes out ahead in connection, while the SM58 wins on max spl. Overall, the Podcaster MKI scores 35 and the SM58 scores 82 on our Mars Score.
Which should you buy?
The SM58 is the clear pick on raw spec strength, leading by 47.0 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Podcaster MKI if you care most about connection. The biggest gaps in its favor are connection.
Pick the SM58 if you care most about max spl. Its strongest claims are max spl.
Both ship with comparable type, polar pattern, so those specs don't separate the two — focus on the differences below.
Bottom line: the SM58 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Rode - Podcaster MKI wins
- ▲Connection: USB (vs XLR).
Why Shure - SM58 wins
- ▲Max SPL — 30.43% more. 150 dB vs 115 dB.
Spec comparison
Spec
| Spec | Rode - Podcaster MKI | Shure - SM58 |
|---|---|---|
| Type | Dynamic | Dynamic |
| Polar pattern | Cardioid | Cardioid |
| Frequency response | 40Hz–14kHz | 50Hz–15kHz |
| Max SPL | 115 dB | 150 dBlead |
Connectivity
| Spec | Rode - Podcaster MKI | Shure - SM58 |
|---|---|---|
| Connection | USBlead | XLR |
| Headphone out | truelead | false |
Spec-level deep dives
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