I have spent around 8 hours with my HD660s that I purchased off the Sennheiser refurb outlet. I waited on these after reading all the negative reviews as I own the HD600 and didn't want to take a chance with $500. I kept waiting for them to suck or something. I now feel like I was robbed of...

I also ordered the Sennheiser refurb outlet's HD 660s this week. So far, being a Headfi member is quite costly... Can't wait to get them!

I posted about 2 weeks ago about the hot top end frequency response and sibilance problems after about 60 hours of burn in time. I have say they improved a great deal or I have become use to the sound. Either way, I have started to really love my 109 Pro. That's something I didn't think I...

Hi everyone, Like most of you it got out of hand in a hurry but I have had a blast. It all started with a purchase of Beats Studios for my ex-wife about 2 years ago.   Since then: Audio Technica M40, Ifrog Earpollution DJ, Panasonic RP HTF 890, Skullcandy Aviators, Audio Technica ATH AD700...

I had a demo with the Pioneer SE-Master1 headphones this week and I was very impressed.  My problem is that the Master1's were playing on a CD player / digital out / dac-headphone amp that was very "hi end($)".  I am using the Fiio E17 / E09k dac / headphone amp with my best headphones being a...