Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Shure - MV7+ | Shure - SM58 |
|---|---|---|
| Max SPL | 132 dB | 150 dB |
| Connection | XLR + USB | XLR |
Between the MV7+ and SM58, the MV7+ comes out ahead in connection, while the SM58 wins on max spl. Overall, the MV7+ scores 70.8 and the SM58 scores 67.6 on our Mars Score.
Which should you buy?
The MV7+ edges ahead on the Mars Score (70.8 vs 67.6), but the 3.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the MV7+ if you care most about connection. The biggest gaps in its favor are connection. The single most decisive one: Connection: XLR + USB (vs XLR).
Pick the SM58 if you care most about max spl. Its strongest claims are max spl. The single most decisive one: Max SPL — 13.64% more. 150 dB vs 132 dB.
Both ship with comparable type, polar pattern, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Shure - MV7+ or Shure - SM58?
Shure - MV7+ leads the current Mars Score by 3.2 points.The more useful decision is the trade-off behind that result: compare connection, max spl against the way you will actually use the product.
Choose Shure - MV7+ if…
Shure - MV7+ has the measurable edge on connection.
Choose Shure - SM58 if…
Shure - SM58 has the measurable edge on max spl db.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Shure - MV7+ wins
- ▲Connection: XLR + USB (vs XLR).
Why Shure - SM58 wins
- ▲Max SPL — 13.64% more. 150 dB vs 132 dB.
Spec comparison
Spec
| Spec | Shure - MV7+ | Shure - SM58 |
|---|---|---|
| Type | Dynamic | Dynamic |
| Polar pattern | Cardioid | Cardioid |
| Frequency response | 50Hz–16kHz | 50Hz–15kHz |
| Max SPL | 132 dB | 150 dBlead |
Connectivity
| Spec | Shure - MV7+ | Shure - SM58 |
|---|---|---|
| Connection | XLR + USBlead | XLR |
| Headphone out | truelead | false |
| Built-in preamp | truelead | false |