I compared this little op-amp to the LME49860 in my first generation Matrix M-Stage. DAC used was a titanium HD. Headphone used was a Fostex TH-X00 and an AKG Q701. Let me start off with saying that the bass response of this little opamp pleasantly surprised me. My recent ventures into electronic styles of music and purchase of a Fostex headphone have turned me into a bit of a basshead. I still tend to boost the 31Hz and 62Hz sliders quite a bit for that little bit of extra oomph. I can turn that EQ down quite a bit now with the Burson V5i, while I...