LG's Quad DAC: Everything you need to know - Android Authority

LG's smartphones were best known for their headphone jacks, thanks to the Quad DAC feature that set them apart from most of the competition.

2020 was the year of the mid-range smartphone - Android Authority : r/ Android

LG's Quad DAC: Everything you need to know

LG V40 ThinQ specs, release date, rumors, and more!

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How turn on the LG V30's Hi-Fi Quad DAC, and what does it do? - PhoneArena

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The LGV40 Has the Best Cellular Reception of Any Phone : r/Android

More on the LG V30: High end audio, video creation, and security