Hi Guys,
I have an Ibasso D4 mamba which I'm currently using at work. I have Sennheiser HD598's and Denon 1001k headphones. What full size amp would be a noticeable upgrade in sound quality (under 300 or so dollars)? Tube, solid state, or hybrid
Edited by davidvanderbilt - 12/21/11 at 7:50pm







