Authenticate your Siltech cable, check its details, or register it to extend the warranty. Siltech has been a pioneer in the high-end audio industry for nearly four decades. Among our award-winning products are a comprehensive range of cables and the highly acclaimed SAGA amplifier and Symphony loudspeaker system. A new Siltech cable comes with a standard 5-year warranty that covers defects in materials and manufacture, as well as mechanical and electrical malfunctions. By registering the pro