I'm planning to buy a K7xx. I'm also planning to buy an fiio e17 for $50. Will the combination go well? The soundstage, mids, highs, lows, warmth.. I'm on budget and the maximum I can afford for an amp is $60. Any suggestions regarding other amps in my price point to use with my K7xx are also...

I've bought a pair of Samson sr850s some 3 years ago and was quite satisfied with the sound it renders at its price point. Now that I want to try another new headphone, I was considering the superlux hd 687 for a Pair of latest headphones. I've not seen any discussions on them. I've heard that...