Short answer
Both are dongles, $199 against $190.
The Moondrop Moonriver 2 Ti reaches 100 dB on 565 of the 567 models here, the iBasso DC07 Pro on 561.
| Specification | iBasso DC07 Pro | Moondrop Moonriver 2 Ti |
|---|---|---|
| Power into 32Ω | 118 mW | 280 mW |
| Power into 150Ω | 25 mW | 79 mW |
| Power into 300Ω | 13 mW | 53 mW |
| Power into 600Ω | 6.3 mW | 26 mW |
| Output impedance | not published | not published |
| Output noise | not published | 1.5 µV |
| Price | $199 | $190 |
| Headphones it reaches 100 dB on out of 567 | 561 | 565 |
Not published means the maker leaves it out, so that axis cannot be compared.
| Balanced | iBasso DC07 Pro | Moondrop Moonriver 2 Ti |
|---|---|---|
| Socket | 4.4mm | no separate rating |
| Power into 32Ω | 430 mW | — |
| Power into 300Ω | 46 mW derived | — |
| Output impedance | not published | — |
| Output noise | not published | — |
| Headphones it reaches 100 dB on out of 567 | 566 | — |
Only the iBasso DC07 Pro has a separate balanced rating from its maker; through it, it reaches 100 dB on 566 of the 567 models here. The Moondrop Moonriver 2 Ti may still have a balanced socket — its spec sheet simply gives no figure for one, so there is nothing to put beside it. Derived figures are worked out from the loads the maker did publish.
| Load | iBasso DC07 Pro | Moondrop Moonriver 2 Ti |
|---|---|---|
| 32 Ω | Published | Published |
| 150 Ω | Derived | Derived |
| 300 Ω | Derived | Published |
| 600 Ω | Derived | Derived |
Both makers publish a power rating. iBasso DC07 Pro publishes at 32 Ω; Moondrop Moonriver 2 Ti at 32 Ω and at 300 Ω. The other rows are worked out from those.
So the two columns are not equally firm row by row: at 300 Ω only the Moondrop Moonriver 2 Ti figure is the maker’s own. On those rows the derived number is the one to doubt first.
4 headphones reach 100 dB on the Moondrop Moonriver 2 Ti but not on the iBasso DC07 Pro — Moondrop COSMO, Symphonium Crimson, Symphonium Helios, 1 more.
561 of the 567 models here reach 100 dB on both.
Headroom is at a 100 dB SPL peak.
The widest gap on the list is the Sennheiser HD 600: Moondrop Moonriver 2 Ti has +9 dB of headroom there against +3 dB. 6 dB is about 4.2 times the power, which matters for peaks rather than for how loud the music sits.
The hiss columns are empty for iBasso DC07 Pro because that maker publishes no output noise figure.
| Headphone | Impedance | Needs | iBasso DC07 Pro headroom | Moondrop Moonriver 2 Ti headroom | iBasso DC07 Pro hiss | Moondrop Moonriver 2 Ti hiss |
|---|---|---|---|---|---|---|
| Shure SE846 | 9 Ω | 0.04 mW | +29 dB | +33 dB | not published | 18 dB |
| Campfire Audio Andromeda 2020 | 9 Ω | 4.0 mW | +9 dB | +13 dB | not published | -2 dB |
| Audeze LCD-2 Classic | 70 Ω | 0.79 mW | +18 dB | +22 dB | not published | -4 dB |
| Beyerdynamic DT 1990 Pro (250Ω) | 250 Ω | 0.63 mW | +14 dB | +20 dB | not published | -8 dB |
| HiFiMAN HE400se | 25 Ω | 7.9 mW | +11 dB | +14 dB | not published | -9 dB |
| Audio-Technica ATH-R70X | 470 Ω | 1.6 mW | +7 dB | +13 dB | not published | -15 dB |
| Sennheiser HD 600 | 300 Ω | 6.6 mW | +3 dB | +9 dB | not published | -19 dB |
| HiFiMAN Susvara | 60 Ω | 50 mW | +1 dB | +5 dB | not published | -21 dB |
The iBasso DC07 Pro costs $9 more than the Moondrop Moonriver 2 Ti, and on these three axes the money buys nothing: among the 567 models here there is not one that the iBasso DC07 Pro handles and the Moondrop Moonriver 2 Ti does not — not on power, not on the one-eighth rule, not on hiss. The traffic runs the other way: the cheaper Moondrop Moonriver 2 Ti drives 4 models to 100 dB that the iBasso DC07 Pro does not.
Only published figures count here; blank axes are counted separately.
Each in full: iBasso DC07 Pro and Moondrop Moonriver 2 Ti.