attenuation

Hi guys, I have a newbie question for you: I was just wondering... let's say my setup looks like this: PC --> DAC --> HP amp --> headphones Is it better to use a balanced cable for my headphones, even if I have to reduce the volume on the PC or DAC to use the amp normally ? How much "digital"...

I bought a pair of Harrison Labs 12dB in-line RCA attenuators to solve a hiss in an old Hafler preamp. It works beautifully, as the hiss was independent of the volume control. To my ear, these little magic RCA adapters are transparent, but I would love for someone around here to see how they...