The next evolution of R2R is here! FiiO K13 R2R review @PassionforSound
The next evolution of R2R is here! FiiO K13 R2R review  @PassionforSound
Uploaded December 2025 | Updated September 2026, 2 weeks ago
FiiO K13 R2R review
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I finally have the brand new FiiO K13 R2R DAC and Headphone Amplifier for review on Passion for Sound! This exciting new R2R DAC and desktop amplifier sits at a crucial price point, directly competing with heavyweights like the Topping DX5 II and SMSL RAW-MDA1. In this video, I break down whether the K13 R2R is an upgrade to the smaller K11 R2R, and more importantly, how the R2R ladder architecture compares to the popular Delta Sigma DACs from its key rivals.

I test the K13 R2R as both a pure DAC and a powerful headphone amp with 2.4W into 32 ohms of output power. I discuss the sound quality, focusing on its smooth, detailed, and non-fatiguing presentation, soundstage depth, and resolution. I also look at the three-stage gain control curves, the 10-band parametric EQ via the FiiO app, and the dual power input options. If you're looking for the best all-in-one DAC/Amp around the $300 mark for your audiophile setup, your speakers, or your headphones, you need to watch this review!

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00:00 FiiO K13 R2R review
00:44 Design & features
03:58 AC vs DC power
05:22 Sound quality
10:28 Final thoughts

#fiio #fiioK13R2R #r2r #r2rdac #dac #headphoneamp #audiophile #audiophilereview #hifi #desktopdac #topping #toppingdx5ii #smsl #audiogear #headfi #passionforsound #bestdacamp #hifiaudio #musiclover
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The next evolution of R2R is here! FiiO K13 R2R review

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