Hello.   I've been using a XP-7 on power supply for a couple of years. I've never used it on batteries. Recently, the power supply went bad (start with weird and loud noises) and I couldn't figure out what problem is it, so I'm forgetting about the PS and starting to use this amp with...

Hello, guys.   I have the following system that I use for every kind of music:   - Asus Xonar Essence ST - Emmeline XP-7 - Sennheiser HD650   It sounds amazing but for electronic it's a little bit boring... I think I need something with more bass impact.   So I decided to get...

Hi people! I have a problem, I was thinking about buying a meier concerto to my dt990 600 but it takes at least two weeks to come from Germany and I'm not going to be here in USA anymore at this date. I need a good solid state amp to power up my dt990 600 that I can find here at USA because I...

Hi, people. Im just starting in the headphone amp world and I'm looking for help with some choices I need to deal with by now. I've never listened to anything better than a Xfi extreme music and a ordinary Phillis headphone. I'm Brazilian and once I'm spending some time by now in EUA, I can't...