Sorry for taking so long to reply. I like the DT 1990 more because of the better instrument separation. I listen to a lot of metal, and I enjoy hearing every bass note and cymbal strike, and being able to clearly distinguish between the guitars. The Grado's were great for that, but I find this...

Well, I am not that versed in the world of audio equipment, but I'll try. Starting with the looks and build quality: it's a nice and sturdy little unit, with all the controls in front. The volume knob feels great. It has a separate power supply. It's made in Japan. Features: USB input, optical...

I can now confirm that the Fostex HP-A4BL DAC can power these headphones without a problem. I set the volume to around 40% on low gain, any higher than that and it's too loud for me. This might become my favorite pair of headphones I ever owned. I probably won't be using my Grado RS2e's that...

Hello! I'm going to get a pair of DT 1990's this week and I was wondering if the Fostex HP-A4BL DAC/amp, which I'm using now, will be able to power them properly? Or would I need to invest in something more powerful? The specs for the unbalanced phones terminal state the following:   ...