- Nov 1, 2025
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This weekend i received my Fiio K11 R2R. It's meant to sit on my desk, fed by a computer over USB, streaming from Tidal or my own music server. My Sennheiser HD620s is connected to the single-ended output with low gain and volume around the halfway mark. Tidal is playing in exclusive mode, and Windows is configured to output 44kHz to avoid certain resampling scenarios just in case. Fiio is also set to no oversampling.
The R2R sound is on the warm side, and that's fine. What bothers me a little, is the lack of detail/resolution and space. I've been listening to various things while working (so not concentrated on the music) and i notice a meaningful difference compared to the Audiolab D9 in my main setup. I don't expect the K11 to be very close to the D9, but i started wondering if a K13 R2R, which has a better, more resolving architecture on paper, would be a better fit. I might add a pair of active speakers later as well.
The K15 (not R2R) looks very nice but i don't feel like spending that money on my desktop setup. I am currently ruling out other devices (Eversolo, Ifi, Denafrips) based on price too. The specs of the Topping DX5-II are very appealing for the price, but i'm not after a very analytical presentation.
So in summary: do i return the K11 for a K13? Anyone with hands-on experience?
The R2R sound is on the warm side, and that's fine. What bothers me a little, is the lack of detail/resolution and space. I've been listening to various things while working (so not concentrated on the music) and i notice a meaningful difference compared to the Audiolab D9 in my main setup. I don't expect the K11 to be very close to the D9, but i started wondering if a K13 R2R, which has a better, more resolving architecture on paper, would be a better fit. I might add a pair of active speakers later as well.
The K15 (not R2R) looks very nice but i don't feel like spending that money on my desktop setup. I am currently ruling out other devices (Eversolo, Ifi, Denafrips) based on price too. The specs of the Topping DX5-II are very appealing for the price, but i'm not after a very analytical presentation.
So in summary: do i return the K11 for a K13? Anyone with hands-on experience?
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