Thanks -- that's extremely helpful and kind of what I thought from the feedback I've been hearing, as well as the price of the product itself. Knowing that it handles your collection of very good headphones so well makes me confident I won't need to upgrade the amp.   I did read through the...

Just to be more clear the Sony HAPS 1/B is a component that plays music files, focusing on high resolution formats. It has a DAC and though it works in conjunction with a computer, the files are stored on the unit itself and played from the unit. It's supposed to sound pretty sweet.   I'm just...

I just purchased the Sony HAPS1/B and want to play Sennheiser 600 phones out of them. The Sony has a headphone jack. Will the Sennheiser's be improved by outputting an external headphone amp out of the HAPS1/B, like an Asgard 2. Or will Sony's onboard headphone amp be as good quality.  ...