Sibling rivalry – If your S/PDIF felt left out because all the fuss went to USB, iFi have just rectified the digital purification games by giving the electrical and optical S/PDIF output of your source their own dongle. Hello 192kHz-ready S/PDIF Purifier2 [€250] with its 10MHz clock, galvanic isolation circuity and external low-noise SMPS. It's not a USB but S/PDIF decrapifier.
