Thread: QB-9 USB Upgrade
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  #42  
Old 03-01-2018, 06:45 PM
bluebeat bluebeat is offline
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Join Date: Aug 2013
Posts: 15
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I've got the double dsd upgrade. It's available since january 2017 or so. Ayre doesn't really advertise it. You can read a bit more about it here: https://www.computeraudiophile.com/f...es-double-dsd/
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