Thanks, Both -- I'm currently using digital coax between my BlueSound Node 2i streamer and my Topping D50s external DAC -- not really high-end gear, but good enough as long as it works.
Recently a problem has developed (after I replaced a Node 2 that failed with a brand new Node 2i, and admittedly, after I got a new preamp, power amp, and high-end speakers and started spending a lot more time streaming from Qobuz) with occasional "crackling" over the music and brief dropouts. This problem is very intermittent, so difficult to track down the cause. (I don't even know yet if it only occurs on very-high resolution tracks -- I have played an occasional 24-bit by 192 kHz track from Qobuz.) I've heard rumors that some folks have had problems with the coax input on the D50s, but they may be just that.
Just wondering at this point if the coax link might be the cause, but from what you say, it's likely to be a better choice than optical. (The Node 2i does not offer a USB output.) -- Clark2
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