Extra Flexibility Power Cable


If you have a trade-in, request Trade-in Price.

per pair – Call for Pricing on Longer Lengths-

SKU: baj-Shunyata Research Sigma EF Category: Tags: ,


Series of power cords are the most technically advanced products of their kind, incorporating multiple technologies that showcase Shunyata Research’s pioneering work in the area of Distributed Power Conditioning. Σ SIGMA power cords work far more efficiently than traditional power conditioners because they intercept noise at its very source — the component power supply, and prevent it from being shared with other electronics in the system via CCI (Component-to-Component Interference).

Σ SIGMA DIGITAL and ANALOG model power cords are all constructed using Shunyata’s finest VTX wire formed into massive gauge conductors, making them compatible with high-current electronics, but the Σ SIGMA HC is uniquely designed for the world’s most demanding amps and power conditioners with an even larger 6 gauge conductor complement and unique internal construction. Each Σ SIGMA power cord is designed and tested for optimum delivery of DTCD (Dynamic Transient Current Delivery).

15 Year Evolution
Every facet of the Σ SIGMA model construction has benefitted from designer Caelin Gabriel’s obsessive attention to detail, along with his fifteen years worth of patented science, technology and parts development. Without question, the finest examples of Shunyata’s reputation as the world’s finest manufacturer of electrical and signal systems are the Σ SIGMA power cords — the most technically advanced products of their kind.

The ΞTRON® Σ SIGMA contains a hybrid ΞTRON® circuit that measurably reduces power noise generated by the component itself. Essentially it is a power cable with a power conditioner built in, but without any of the negatives normally associated with active power conditioning boxes.

3 Different Versions


– Certified CDA-101 Copper

– VTX™ (virtual tube) Conductors
– Pure OFC Copper Base Metal
– Nickel plated for corrosion protection
– Superior Contact Grip
– ArNi Cryogenic Processed



Shunyata Research

Shunyata Research is known for creating Power Conditioning Systems that deliver superior audio and electronic performance. No detail is overlooked in Shunyata Research’s innovative design and its incorporation of ground-breaking technologies. Shunyata Research’s award-winning Triton was built on the strengths of its award-winning predecessors, the Hydra-8 and V-Ray, raising the bar in AC power conditioning. As the nationally recognized leader in the field of high-end audio, home theater and home electronics, Overture is proud to include Shunyata Research in our presentation of high-performance components. If you are interested in purchasing a Shunyata Research product, you can trade-in any other brand electronic component or speaker on it by filling out Overture’s Trade-In Form.