Synergistic Research Foundation XL Ethernet Cable

For the audiophile seeking to untether their high-resolution streaming system from the digital grit of standard networking, the Synergistic Research Foundation XL Ethernet Cable represents a masterful convergence of structural precision and acoustic alchemy. Hand-crafted in California, this sophisticated conduit serves as a silent gatekeeper, systematically lowering the noise floor to expose the nuanced architecture of a performance. By isolating delicate data streams within an advanced proprietary shield, it transforms ordinary digital playback into a sprawling, deeply atmospheric soundstage characterized by natural texturing, unrestricted dynamics, and an effortless sense of musical realism.

At its heart, Foundation XL is a scaled-down distillation of SRX XL—handmade in our California factory using the same core technologies first pioneered in our flagship cable loom.

We apply the same SRX XL UEF Compound to Foundation XL’s matrix shielding to lower the noise floor without constraining dynamics or transparency. Every cable is then treated with the identical long-duration, high-frequency conditioning process developed for SRX XL—enhancing dimensionality, tonal accuracy, and high-frequency refinement.

Each cable includes Purple and Gold UEF Carbon Tuning Discs, letting you voice your cables to system and taste—or run them clean. The choice is yours.

Foundation XL brings the exact same technologies developed for SRX XL to the Foundation series—delivering the highest performance-to-price ratio of any cable we’ve ever manufactured.

UEF Matrix Shield with Graphene: SRX XL Matrix shielding

In our journey to design our latest flagship SRX XL series, we developed an entirely new UEF compound to elevate the performance of our previous Matrix Shielding, which further lowers each cable's noise floor while lessening restraints a shield may have on signal transmission. We apply this highest level of SRX XL Matrix Shielding to our new Foundation XL cables for a significant jump in performance over the previous generation Foundation SX. Carbon Fiber UEF Tuning Discs developed for the Foundation SX and Foundation XL series cables further refines and enhances the loom's ability to cancel noise that would otherwise cause high frequencies to sound harsh or fatiguing.

Quantum Tunneling: SRX Long Duration High Voltage Conditioning

After perfecting the most natural-sounding and holographic cables in our history, we set out to take them further with a new high voltage conditioning process that applies a sweeping frequency plot for an extended duration. We experimented with dozens of frequencies in different combinations over a prolonged time period before landing on just the right mix. We even built a new Tesla Coil to handle the excess heat generated during long conditioning sessions. Once finalized, the SRX conditioning process created holographic realism and timbrel accuracy far beyond our previous Tesla Coil conditioning protocol. 

Included Carbon Tuning Discs : Tune to Perfection

Included with Foundation XL interconnects, speaker cables, and power cables, Carbon Tuning Discs ($199.95 MSRP) are a spinoff of our new Atmosphere SX Loom where they are placed inside cables at key locations and are instrumental in creating the SX sound. Based on our patented UEF technology, each disc gets treated with a unique UEF compound that interacts with EM fields wherever you place them in your system or on cables to improve sound quality. The conductive carbon fiber material of the disc enhances the interaction between the UEF compound and the surrounding EM fields where it is placed.  The Gold- Carbon Tuning Discs flesh out rich harmonics combined with a clarifying effect in the sound field for a more lifelike and holographic presentation. Purple- Carbon Tuning Discs get treated with a UEF compound that enhances clarity and extension in the soundstage even beyond Gold.