Hi all.
Look what just arrived last week. Following in the footsteps of @Pdxwayne , I will do an A/B comparison of two DACs ie the SMSL m400 (akm 4499) and Topping D10s (ess 9038). The amplifier that I will use is the SMSL sp400. Headphones will be Sennheiser hd600, hd800 and Hifiman Sundara...