Synergistic Research Foundation XL Ethernet Cable
FREE shipping to contiguous US
FREE store pickup at TMR Erie, CO.
Earn 695 TMR Rewards points for this purchase.
Not a member? Join today >
Chat With a Hi-Fi Guide
FREE
Shipping
Financing
Available
Trade Up
& Save
Full
Warranty
60-Day
Returns
Lifetime Tech
Support
Free Shipping & Safe Delivery Guaranteed
All new products ship free within the contiguous United States.
Every order is backed by our TMR Safe Pack & Ship Guarantee. We carefully double-box every shipment to protect the manufacturer's packaging, and larger items are professionally packed and palletized when required for safe, upright delivery.
Every shipment is fully insured, with signature confirmation required on orders over $750.
In the rare event of loss or damage, we fully protect your purchase and handle the resolution for you.
We DO NOT offer international shipping.
60-Day Risk-Free Returns
We want you to feel confident investing in new HiFi. That’s why all new products come with 60-day risk-free returns, giving you time to listen, evaluate, and make sure it’s the right fit for your system.
Full Manufacturer Warranty
Every new product is backed by its full manufacturer warranty, giving you long-term peace of mind and direct support from the brand—on top of TMR’s expert guidance and customer care.
About Synergistic Research Foundation XL Ethernet Cable
Synergistic Research Foundation XL Ethernet Cable Key Features:
- SRX XL UEF Matrix Shielding with Graphene – Lowers the noise floor while preserving dynamics and transparency for cleaner, more detailed sound.
- SRX XL High Voltage Conditioning – Enhances electron flow at the molecular level, improving tonal accuracy, dimensionality, and high-frequency clarity.
- Doubled 6N Pure Silver AirStrings – Produces quicker, more resolving cables with greater texture, dynamics, and smooth, fatigue-free listening.
- Purple and Gold Carbon Tuning Discs – Allow system-specific voicing to optimize harmonic texture, soundstage depth, and musical realism.
- Handmade in California Using Advanced SRX XL Technologies – Ensures consistent high-quality construction with flagship-level performance at a more accessible price point.
Product Description:
At its core, Foundation XL is a refined, scaled-down version of SRX XL—handmade in Synergistic Research’s California factory using the same core technologies first introduced in the flagship cable loom.
Foundation XL applies the SRX XL UEF Compound to its matrix shielding, lowering the noise floor without limiting dynamics or transparency. Each cable is then treated with the same long-duration, high-frequency conditioning process developed for SRX XL, enhan
