Hi, I have a HD650 and I just joined the drop for HE4XX. I mostly use my HD650 with my O2. I am not really sure whether O2 is driving 650s to its true potential. Recently I have been travelling a lot and been staying in hotels a lot. So carrying around O2, even though it is light, with it's...

Looking for a DAP with a nice built in amp, I recently acquired a new overstock LG V20 on eBay. The few negative reviews I've read of it talk about the ESS Sabre "glare", describing it as either a bright (specifically sharp) frequency response or a sort of digital or unnatural sound. The only...