There's a special and much sought after sound signature I'd describe as "glamorous". The Sennheiser IE800 has it, the JH Audio Layla has it and -- at a much lower price point -- the Fidue A83 has it. I'm talking about that out of your head sparkly sound where the treble is the most prominent feature, but it's all nicely balanced and the bass is punchy and liquid too, with plenty of oomph below. A sound like chandeliers hanging above a black lake. Personally, I adore that signature and I'm happy to report the Fidue A83 does an admirable job of...