Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Letshuoer - Cadenza 12 | Moondrop - Aria 2 |
|---|---|---|
| Sensitivity | 105 dB | 122 dB |
| Impedance | 16 Ω | 32 Ω |
| Driver count | 12 | 1 |
Between the Cadenza 12 and Aria 2, the Cadenza 12 comes out ahead in impedance / driver count, while the Aria 2 wins on sensitivity. Overall, the Cadenza 12 scores 70.1 and the Aria 2 scores 65.4 on our Mars Score.
Which should you buy?
The Cadenza 12 edges ahead on the Mars Score (70.1 vs 65.4), but the 4.7-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Cadenza 12 if you care most about impedance / driver count. The biggest gaps in its favor are impedance, driver count. The single most decisive one: Impedance — 16.00 Ω less. 16 vs 32.
Pick the Aria 2 if you care most about sensitivity. Its strongest claims are sensitivity. The single most decisive one: Sensitivity — 16.19% more. 122 dB vs 105 dB.
Both ship with comparable detachable cable, 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: Letshuoer - Cadenza 12 or Moondrop - Aria 2?
Letshuoer - Cadenza 12 leads the current Mars Score by 4.7 points.The more useful decision is the trade-off behind that result: compare driver count, impedance, sensitivity against the way you will actually use the product.
Choose Letshuoer - Cadenza 12 if…
Letshuoer - Cadenza 12 has the measurable edge on impedance ohm, driver count.
Choose Moondrop - Aria 2 if…
Moondrop - Aria 2 has the measurable edge on sensitivity 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 Letshuoer - Cadenza 12 wins
- ▲Impedance — 16.00 Ω less. 16 vs 32.
- ▲Driver count — 11.00 more. 12 vs 1.
Why Moondrop - Aria 2 wins
- ▲Sensitivity — 16.19% more. 122 dB vs 105 dB.
Spec comparison
Drivers
| Spec | Letshuoer - Cadenza 12 | Moondrop - Aria 2 |
|---|---|---|
| Driver count | 12lead | 1 |
| Driver types | 1DD + 8BA + 2EST + 1BC Tetrabrid | Dynamic |
| Impedanceⓘ | 16 Ωlead | 32 Ω |
| Sensitivityⓘ | 105 dB | 122 dBlead |
Build
| Spec | Letshuoer - Cadenza 12 | Moondrop - Aria 2 |
|---|---|---|
| Detachable cable | true | true |
| Connector | 0.78mm 2-pin | 0.78mm 2-pin |