I have been listening K701 since 2008, and recently I bought K812 from B&H as I want to know how relatively out of date my K701 is. To my dismay I think K812 is good, but maybe only 30% to 40% better than K701. The price difference over 1000 dollars is not justified from my perspective. Further...

May I ask how is O2+Odac by JDS labs comparing to Audioengine D1? I am willing to pay extra money, but I do not know if there is any difference in the performance. Also, sorry for the dumb question - do I need any connecting cable between O2 and ODAC if I buy them? I only found the combo on the...

I see. Thank you a lot. I even found an Aune T1 in the "for sale" section.  

I see. I want to ask the dumb question - for an DAC/Amp like Aune T1 (tube), how to connect it to the laptop? I still do not know how to address the single line out - double line in problem. Almost every (tube) amp I saw on the forum is of this type, and I really do not know how to use them. Do...

Hi!   I want to ask guidance on how to use my K701 professionally. I bought them in 2008 and has used them over thousands of hours. But so far I have been only connecting them to my laptop. I want to know:   1) How to best amplify their ability? What kind of amplifier do I need to...