Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Aston - Stealth | Neumann - TLM 103 |
|---|---|---|
| Max SPL | 144 dB | 138 dB |
| Type | Dynamic | Condenser |
Between the Stealth and TLM 103, the Stealth comes out ahead in max spl, while the TLM 103 wins on type. Overall, the Stealth scores 61.9 and the TLM 103 scores 56.1 on our Mars Score.
Which should you buy?
The Stealth edges ahead on the Mars Score (61.9 vs 56.1), but the 5.8-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Stealth if you care most about max spl. The biggest gaps in its favor are max spl. The single most decisive one: Max SPL — 4.35% more. 144 dB vs 138 dB.
Pick the TLM 103 if you care most about type. Its strongest claims are type. The single most decisive one: Type: Condenser (vs Dynamic).
Both ship with comparable polar pattern, connection, so those specs do not separate the two — focus on the differences below.
Bottom line: the Stealth is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Aston - Stealth or Neumann - TLM 103?
Aston - Stealth leads the current Mars Score by 5.8 points.The more useful decision is the trade-off behind that result: compare type, max spl against the way you will actually use the product.
Choose Aston - Stealth if…
Aston - Stealth has the measurable edge on max spl db.
Choose Neumann - TLM 103 if…
Neumann - TLM 103 has the measurable edge on type.
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 Aston - Stealth wins
- ▲Max SPL — 4.35% more. 144 dB vs 138 dB.
Why Neumann - TLM 103 wins
- ▲Type: Condenser (vs Dynamic).
Spec comparison
Spec
| Spec | Aston - Stealth | Neumann - TLM 103 |
|---|---|---|
| Type | Dynamic | Condenserlead |
| Polar pattern | Cardioid | Cardioid |
| Frequency response | 30Hz–20kHz | 20Hz–20kHz |
| Max SPL | 144 dBlead | 138 dB |
Connectivity
| Spec | Aston - Stealth | Neumann - TLM 103 |
|---|---|---|
| Connection | XLR | XLR |
| Headphone out | false | false |