Both of the DAC sections sounded similar to me with the DX90 having the more refined DAC but not enough to justify the price difference, but maybe its because I paired them with the Portaphile 627 MICRO which is a seriously good single-ended amp. The DX90 also was slightly too bright for my tastes when compared to the DX50.
- 2,365 Posts. Joined 8/2013
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