In case XMOS+ES9018 I2S USB to fiber coaxial 192K-24BIT
149$ at ebay.
Unmatched in price / quality worldwide. It even has 2x TCXOs for internal master clock.
Its a very simple ES9018 implementation i would say but it seems to be not bad specially not for the price considering the ES9018 alone costs 60-70$.
ES9023 costs 2-4$ and is good but cant compete with the ES9018 in every aspect. For ES9023 i would buy the HifiMediy DAC for 50$. I got one and it has the same sound quality as the dragonfly 300$ (9023) which i owned for a week.
I wouldnt buy it cause my lately bad experience with a seller from Taiwan but if you take the risk to buy from asia this is as best as it can get for the price range.
No Amp needed for either ES9023 nor ES9018 anyway cause the output is so strong i can use it even with my DT880 600ohm headphones with more than enough headroom for the gain.
Edited by Lyra5 - 11/1/13 at 6:46am