Zu Event S/PDIF Mk.II Digital Audio Cable

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Zu Event-S/PDIF (Sony/Philips Digital Interface Format) complies to AES3 Unbalanced specifications and supports all older S/PDIF I/O interface electronics.

Event-S/PDIF Mk.II is 75Ω coaxial cable designed from the ground up (standing on the shoulder’s of Tesla, Feynman and others of course) to support the AES3-unbalanced specification. The design ensures the most pristine handling of signal and safeguards the transmitted signal from RF and ESD.

Yes, we think this is the finest S/PDIF cable ever, but it is just a cable and no cable will save you from a poor sounding DAC or system imbalance.


The design and build of this cable is unique in both the electromagnetic function and material pallet. For example the dielectric (space between signal conductor and ground plane) is quite unique consisting of Teflon, carbon, Dacron and air, realizing a permittivity that is significantly less than Teflon alone; all the while keeping the cable physically tough. Balancing materials in the dielectric, along with conductor and ground ratios yields a coax cable with very high (for a coax) propagation velocity. Quality of build and control considerations in the process engineering also ensure a very consistent cable—allowing you to use the length you need while knowing your performance will not be compromised.

Available in:

0.75 m (24 in)
1.0 m (39 in)
1.5 m (5 ft)
1.8 m (6 ft)
2.0 m (6 ft 6 in)
2.4 m (8 ft)
3.0 m (10 ft)
3.7 m (12 ft)
4.6 m (15 ft)