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Is a femto clock important if you aren't using asynch USB?

I am considering buying a used Wyred 4 Sound DAC2 DSD se for streaming from my Bluesound Node 2i, and the seller told me that this DAC2 se is one of the early ones that does NOT have a femto clock.  My Bluesound does not have USB output, so I won't be using the USB input on the DAC2.  My understanding is that the femto clock is mainly useful to sync up the digital stream from a computer; is it likely to make much difference if my source is a streamer and the input is SPDIF?

128x128cheeg

Showing 1 response by carlsbad

carlsbad's avatar
carlsbad
1,551 posts
 

I have an old W4S dac2 and it is indeed a good dac if it works in your system.  Since you're shopping in this price range, I doubt you'll hear the difference with or without a femto clock  (this was a flagship dac over a decade ago but worth a couple hundred dollars today).

Be aware that the Dac2 is not driverless.  I got it work fine with my bluesound node but then Roon will not see it.

Jerry

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