How-to
Why your IEMs have no bass: check the fit before buying anything
Thin bass does not always mean you bought the wrong IEM. A poor seal can remove a surprising amount of low end, and fixing it may take less than two minutes.
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Audio explained
Do you need a DAC for IEMs?
Probably not an expensive one. Your IEM does need digital audio converted somewhere, but for most people the DAC already in their device or...
Audio explained
3.5mm vs USB-C IEMs: which should you buy?
USB-C is simpler if you mainly listen from a modern phone. 3.5mm is more flexible if your IEM moves between phones, laptops, gaming devices...