Hi everyone, I'm thinking about getting a new pair of headphones and I'm looking for some guidance. My best pair currently is the Bose QC35 (first gen, 2016), and I wanted to know how much I would need to invest to get a meaningful upgrade in sound quality (I realize that is a loaded, complex question). This would be for my PC desktop which I currently use the built in Asus MB audio for. These would be primarily for music listening, I really like classical and orchestral (movie soundtracks in particular) in addition to some alternative stuff but that's a lower priority. While I love my QC35s, they can't quite give me the "epic" sound I'm looking for. Would this be improved by a wider soundstage, more emphasis on base frequencies, or something else? I'm leaning towards pairs that don't require external DAC/Amps but if there is a good pairing anyone wants to recommend I'm keeping an open mind. One of the pairs I checked out was the Audio Technica ATH-M50x which I heard were a good pair of entry level critical listening headphones, but would they be enough of an upgrade from my 35s? I'm willing to spend for better quality but I'm also a college student so funds aren't unlimited. I'd say preferably no more than $200 if possible, hard limit at 300.
Following up, if anyone has suggestions on any stores where I might be able to try out headphones, I live in the Maryland/DC area and I haven't found anything like that yet.
Thanks in advance and sorry for any newbie questions, I'm a mechanical engineering student, not electrical