Does anyone here have both the V20 and the Axon 7? I purchased an Axon 7 because I wanted to try a bit smaller phone (and one that works with Daydream) and I have been comparing the sound. I am extremely surprised that two high quality sources can sound so drastically different. Right off the bat, the bass quantity (not quality) is huge on the Axon 7 compared to the V20. A/B tests make the V20 sound very thin with much less bass impact. Treble is much more extended on the V20 and I find it more pleasant. Mids are warm and lush on the Axon 7, similar on the V20 but not quite as warm. It's a totally different sound signature for me.
Volume-wise, the Axon 7 was praised for being extremely loud and "broke" the pocketnow headphone test. Well, not mine! Even on "normal" mode, the V20 has loads more volume. On my Earsonics Velvet, I have the volume one notch from max on the Axon 7. It's very odd. Supposedly there was an update that reduced the volume, which just sucks.
Overall the phone seems less polished and more buggy with Tidal compared to the V20 so I am going to return it, but, I love that bass slam that it provides! Now I'm sort of undecided on what I will do. Maybe I'll try an HTC 10 again for a best-of-both-worlds approach. Anyway, just providing some info/thoughts here in case people were deciding between the two. One last thing: when playing music through the HiFi DAC on the Axon 7, the phone gets pretty warm and drains the battery quickly (via Tidal at least). I never experienced this on the V20.