Both are audio interfaces, $2790 against $2499. 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 RME ADI-2 Pro EX reaches 100 dB on 567 of the 567 models here, the Merging Anubis on 566.
| Specification | Merging Anubis | RME ADI-2 Pro EX |
|---|---|---|
| Power into 32Ω | 961 mW | 1.9 W |
| Power into 150Ω | 205 mW | 540 mW |
| Power into 300Ω | 103 mW | 370 mW |
| Power into 600Ω | 51 mW | 185 mW |
| Output impedance | 0.035 Ω | 0.1 Ω |
| Output noise | not published | not published |
| Price | $2790 | $2499 |
| Headphones it reaches 100 dB on out of 567 | 566 | 567 |
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 RME ADI-2 Pro EX but not on the Merging Anubis — 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: Merging Anubis and RME ADI-2 Pro EX. Or put either against your own headphones in the source comparison tool.