Hopefully this is the right place to ask, but the left driver of my Bosshifi B8's have detached entirely. My dad has a soldering kit but is unsure how to fix this. Here are photos. The black piece of wire laying in the cup in photo 1 detached also, and in photo 2 I'm holding it in place where...

Hey guys, I'm looking at pairing one of these headphones with my Gustard H10. From what I've gathered the R70x is way lighter and sounds more open and engaging whereas the HE-400i is more smooth and laid back. I listen to a decent amount of 60's-70's rock/pop, (Beach Boys, Wings, Fleetwood Mac...