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ISO-PS Power Supplies

People's impressions of supercapacitor power supplies.

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Older Ciunas Devices

User reviews on older Ciúnas DACs & SPDIF converters. Battery powered but no USB isolation or I2S reclocking 

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ISO Devices user reviews

End User reports on all battery powered USB isolated & reclocked devices including DAC, SPDIF & USB Hub

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Press reviews on ISO DACs & Ciúnas DACs dating back to 2013 

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More people's impressions of USB DACs & SPDIF converters before USB isolation was included in the devices. Still battery powered, however.

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2012 Press reviews on JKDAC32