Hello esteemed headfi'ers, I recently bought a Fostex TH-900, as my end all be all headphone. I also bought a Geek Out 450 as a portable dac. I've been keeping the headphone plugged in to the dac when I plug it in. I've just read that the pop I was hearing when plugging it in is a DC spike and...

My brother just bought me a ER6i. I have a pair of Super.fi 3s. I wanted to check how each one cost. The funny thing is I can't find a super.fi 3 for as low as a price I payed a year ago. I paid $64 then but now the cheapest ones I can find are $90. Is it possible that I bought fake super.fi...