There are currently either Philips SHL 9560 or Urbanears Plattan for less than £10 on gumtree.  Which one should I gut and tinker with?   Should this be in the DIY section?

Hello everyone, new here. I’m looking to get a pair of closed back ‘somewhat portable’ headphones good for Jazz, Rock, Alternative and to lesser priority Classical (film scores) which seems be a tall order. For pleasure not studio use. Ultimately I don’t want something that shows up flaws but...