Guys, I noticed that HA-FX850 paired with my android phone (Xperia Z5) sound noticeably worse than from my computer+ Fiio E17 (High gain, volume set to 15 from 60) so i think i might do something to fix that. However, i don't know the requirement of FX850 at all (like how strong an amp need to...

yep, there are easy 2 fully reversable mods by james444. to make it sound more natural (ie: less bass). I like the way it sound with only back mod. http://www.head-fi.org/t/703874/jvc-ha-fx850-iem-woody/405#post_11162329   i find this tips  good... on other iem but the fx850 sound better with...

Watch out, It may not sound good at first hear since it require some burn-in period to sound open, mid is more forward etc. The spiral dot tips that come with it is okay but like some other in this thread, i prefer TF 10 tips to it. Jame's front and vent mods are also option but should be done...

Just trying to do vent mod on 850. Found out that most straw that i see in every day life (in USA.) are about 6mm or bigger. Found one that is 5.5mm but still not small enough. Never thought finding a small straw are challenging before this moment.

Not sure if it is too late but i've just become an owner of the 850 lately. I've heard good stuff about Linum BaX many time in this thread but i just don't like how it looks.   I'm interested in the Norturnal cable instead mostly because of aesthetic reason (like how it looks). May i ask...

Quote: So. Just for check my understanding. This means on any headphone (yuin pk1, AKG K702, any headphone with any impedance ) if volumn=30@gain=6dB is loud enough then it should always be better than gain=12dB volumn=20(or whatever that is equally loud).   then volumn=60 gain=0 ...