I use the PS Audio DLIII with my Mac Mini and am happy with it. It's not a new design but for the price they go for now they're a bargain.
Is it the best? It's the best I've heard but my only other dac was a Musical Fidelity X-10V3 which I didn't care for at all.
Is it the best? It's the best I've heard but my only other dac was a Musical Fidelity X-10V3 which I didn't care for at all.