Fiio BTR17

Apr 22, 2025 at 9:20 AM Post #226 of 226
Using the Balanced output, connected to an iPhone 15pro with EQ off and no files playing, electronic "ticking" sound is audible in Right channel using Campfire Audio Solaris 2020. Same IEM with standard 3.5mm cable/output on BTR17 now has ticking audible in left channel when connected to same source with EQ off. Ticking sound is much quieter but can be easily heard when a playing track is paused. CA Solaris 2020 IEM connected via 4.4mm balanced output while BTR17 is in "PC" mode and used as external DAC/AMP: ticking sound still present but much quieter now.
I've come to the conclusion that the well known sensitivity of the CA Solaris 2020 is the weak link here. Hell, the Solaris2020 and the Chord Mojo 2 don't work together either. In any case, my other IEM pairs just fine with the BTR17 and it's my primary anyhow.
 

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