As for why there are a lot of used ones for sale, I think that means nothing in terms of evaluating the quality of any unit. This is audiogon, where people buy things used just to try them out, knowing they can easily flip them. Plus, ps audio is a very popular high end audio company, they sell a lot of units, that alone means there will always be many available on the used market.
Look at the benchmark dac1, it's generally considered to be one of the best values in digital in the last 5 years, a great dac, and there are always a bunch for sale.
Look at the benchmark dac1, it's generally considered to be one of the best values in digital in the last 5 years, a great dac, and there are always a bunch for sale.