Both are desktop amplifiers, $799 against $1099. This page puts them side by side on the only three things a maker can be held to — power, output impedance and noise — and then asks the question that actually matters: which headphones do they treat differently?
The Aune S17 Pro EVO reaches 100 dB on 567 of the 567 models here, the Woo Audio WA6 on 566.
| Specification | Aune S17 Pro EVO | Woo Audio WA6 |
|---|---|---|
| Power into 32Ω | 2.0 W | 580 mW |
| Power into 150Ω | 464 mW | 536 mW |
| Power into 300Ω | 235 mW | 460 mW |
| Power into 600Ω | 117 mW | 400 mW |
| Output impedance | 1 Ω | not published |
| Output noise | not published | not published |
| Price | $799 | $1099 |
| Headphones it reaches 100 dB on out of 567 | 567 | 566 |
A figure marked not published is missing from the maker’s own material, which is not the same as being good or bad. Where one of these two publishes a number and the other does not, the comparison on that axis cannot be made at all — and saying so is more useful than guessing.
1 headphone reaches 100 dB on the Aune S17 Pro EVO but not on the Woo Audio WA6 — Symphonium Titan.
566 of the 567 models here reach 100 dB on both. That is a power count and nothing more; whether either source suits a given headphone also depends on the two lines above.
Each has a page of its own with every power figure traced to what the maker published and a full headphone list: Aune S17 Pro EVO and Woo Audio WA6. Or put either against your own headphones in the source comparison tool.