In this first look, I unbox and test the Roselsa Distant Mountain—an open-back portable headphone that visually reminds me of the legendary KSC75, but at roughly double the price. Build-wise, it surprised me in a good way: lots of metal, nice finishing, MMCX detachable cable (very welcome at this price), spare pads (including a center-hole version), and even a little character stand. Then the real story starts: the pad choice and the source you drive it with changes everything. Straight out of the Cayin N3 Ultra, the closed/flat pads made the sound feel “confusing”—mids packed too tight, details getting lost, and a presence boost that can turn busy tracks chaotic. Switching to the hole pads cleans it up noticeably, especially on simpler music. Vocals can be genuinely awesome (Ado on minimal-instrument tracks sounded powerful, clear, and full-bodied), but once you throw dense mixes at it, congestion comes back unless the chain is right. I also found a reverb/reflection character that becomes a total no-go with tubes. The big takeaway: this headphone scales dramatically with better solid-state gear. With amps like the Enleum and sources like the Lotoo PAW Gold Go, it goes from average to actually really good—more body, better balance, and beautiful mids. It can sound great, but getting there is a confusing experience, so I’d say test before you buy if you’re not already running decent solid-state equipment.