this post was submitted on 30 Jun 2025
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If it's a pure DAC, it's default output will likely be between 1 to 2 Volts RMS. If your listening on iems or ~30 Ohm headphones that is gonna be crazy loud. It seems like you are using digital audio control to manage this (i.e., the audio level in your DE), which is possible, but certainly not ideal. It also is kinda bad for the audio quality, as you are digitally remixing it, and if you ever switch to high impedance headphones (or already have), the output current will be sub-ideal.
If I'm assessing your situation correctly, then this is quite easy to solve though. You just need a preamp! This will give a nice knob to control audio with much more precision and finesse. I know that both JDS Labs and Schiit Audio offer headphone amps with built in preamps in the USA. I can highly recommend the JDS Labs Atom Amp 2. In Europe your a little more limited, but FiiO has some nice options I think.
Of course none of this is necessary if you don't want audiophile levels of quality, but it would boost the audio quality (presuming your DAC doesn't have a proper preamp), and would certainly give you a tactile, wonderful knob.
I can certainly attest that my HD600s sound quite a bit better out of a JDS Labs Atom Amp 2 than out of just my DAC or—god forbid—my Mobo audio... They sound even better out of my vintage 100W Onkyo amp, of course, but really not by much. I am really impressed by the Atom Amp. I initially just bought it for travelling, but it has now basically become my main amp lol.
Okay, ramble over.
Ah, no, it's iFi Audio Go Blue and a 3More Triple something in-ear connected via jack. It has Bluetooth, but via USB sounds better.