Thanks for your answer, I suspected that what you describe might be the problem. I had a really old Sony Ericsson which did a pretty good job audiowise, but the cable connector wouldn't work anymore, so I couldn't plug my earphones in any more. Actually that's why I just bought the phone a...

Hi, I am not sure if this is the right subforum, but I thought the issue is general enough. I bought a HTC phone (Diamond2) and Shure SE115 headphones. I connect them via a Micro-USB to 3.5mm adapter. The sound quality is abysmal. I don't have the highest standards and expectations, but it...