Ifi SPDIF iPurifier Digital Optical/Coax Audio Signal Optimizer. This is basically a reclocker that reduces jitter between a CD player and a DAC and/or other digital devices. Lots of reviews of this device online. This is the original version, they have come out with a newer version costing more money. $90 shipped in the USA. Please email me directly at meicheng101@sbcglobal.net if you are interested.
