fiio ka15

  1. genius8086

    Balanced output FIIO KA15 (distorted signal, wrong channel separation)

    Hi everyone, I’m struggling to get the audio from the 4.4 mm balanced output of the FIIO KA15 to sound right on my Presonus Eris E4.5 monitors. 1) Buzzing noise on PC. The biggest issue (which does not occur when using an Android smartphone) is a buzzing noise during playback. It happens at...
  2. jkim

    On the Distortion of Cirrus Logic CS431xx-Based Devices: A Comparative Review

    TL;DR / Changelog [5/20/25] Eleven DAC/HP amp combo devices adopting either the Cirrus Logic CS43131 or CS43198 were tested, and seven of them were found produce the distortion dubbed a "Cirrus hump." Based on measurements from multiple sources (including this review), a list of...
  3. jkim

    FIIO KA15 Portable DAC & Headphone Amp Review

    Important Update (8/1/25) FiiO is the first audio company reacting to the issue of DRE-induced distortion associated with the CS431xx chips! A new firmware release for the FiiO KA15 supports an option to enable or disable DRE. With this firmware installed, it does not exhibit distortion behavior...
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