The HD 600-series of headphones has deep roots here at Head-Fi (thank you!). Seasoned members are generally familiar with each, and some of you even own (or owned) all three at some point. For those unfamiliar with the family, choosing the right one for you means some research and hopefully a...

Hi guys I got a promotion at work, so I wanted to treat myself to some new headphones. I have a pair of 4-year-old Bose QC 35 which handle commuting/office noise cancellation pretty well, but I get headaches with extended listening at home, I think primarily because of the NC pressure (turn off...

Hi everyone! I was looking at the new Fiio Q3 portable amp/DAC, and I was wondering if it was worth the upgrade from the Fiio A5. I have a pair of Sennheisers HD660S, and I don't know if the sound will improve (given that the Fiio A5 could probably be outdated by now). Unfortunately I cannot...

I have my HD660s connected to the Drop THX 789. Sound is great, however I wish it would get louder using the 1/4 in connector. If I buy an adapter and use the XLR output on the THX using the existing unbalanced cable would the volume increase? Not looking for a quality improvement, just increase...