I changed one DAC setting and my headphones played sounds I never heard before

Adjusting the gain of your digital-to-analog converter (DAC) or amplifier is a necessary step in tuning your sound and volume, but picking a setting that's too high is an easy mistake for a budding audiophile to make. Gain is often confused with loudness and volume. Instead, gain settings determine how your DAC, amplifier, or receiver delivers power to your output earbuds, headphones, or speakers. Volume strictly handles loudness, whereas gain can actually boost the strength and power of the electrical signal reaching your audio outputs.

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