As the stock phone, so without the optional B&O module the audio quality was pretty good. I couldn’t fault it. Well not in terms of tonality or flavour, there is was a hint on the natural sounding side but just a bit. The deepest lows and the highs were somewhat tamed but they could be down to a deliberate lack of power. The output seemed unusually weak. Both in terms of power and in terms of volume, and I wonder if LG did that deliberately to make the optional B&O module comparatively “pop” when tested? It’s all supposition, maybe just LG really prioritised a black background and it’s so quiet because the bundled buds are relatively sensitive? Speaking of which, the bundled buds, oh my god how unexpected where they??? Bundled buds are supposed to be total rubbish, you bin them soon as look at but these, oh no. These are genuinely not at all bad. They pair up really well with the phone too, of course too bass heavy but not ridiculously so. It’s actually a bit of a shame that the only way to get them is to buy a G5 it would seem. Otherwise try to stick to easy to drive stuff and don’t expect a rip roaring and dynamic filled ride. Things a little plain, a little muted and you’ll be just fine. Smooth, sweepingly gentle stuff works great on them. For a phone its nice stuff.