I own a Hegel h160, and have found my Denafrips Pontus II DAC to be superior to the internal one in the amp. It also provides more flexibility (e.g. OS/NOS, more digital input options).
This is not to disparage the HEGEL DAC at all, as it does a good job for an all-in-one integrated.
This is not to disparage the HEGEL DAC at all, as it does a good job for an all-in-one integrated.