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IsoTek Evo3 Sigmas Power Conditioner IsoTek Evo3 Sigmas - Power conditioner - BLACK Purchased new in December 2023. Has been in a dedicated hi-fi cabinet since then. No marks, looks as new. Comes with original packaging, including a C19 Premier power cable to connect to the mains. Used to supply power to two monoblock power amplifiers, a DAC/pre, and computer hardware. Has six outlets - two for power amps; four for ancillaries. Worked perfectly. Postage is possible and is included in the price - I'll also pay the SNA fees. Pick up is fine too. Specifications copied from the Isotek we
The A$2,800 asking price for the like-new IsoTek EVO3 Sigmas power cable is a fair deal, sitting just below the median of A$2,872 from five recent AUD comps and comfortably within the A$2,443–A$3,093 range. While the EVO3 series has since been succeeded by newer generations, this model remains a respected mid-tier option in IsoTek’s lineup, and the price reflects solid current-market value rather than a bargain or an ambitious ask.
This cable is well-regarded for its effective noise filtering and robust construction, delivering noticeable improvements in system clarity and background blackness when paired with high-end gear. The like-new condition and original-owner status add meaningful upside, suggesting minimal wear and full integrity of the internal shielding and connectors. At this price point in a clean listing, it’s a straightforward buying opportunity for anyone seeking proven IsoTek performance without waiting for newer models to hit used-market discounts.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
IsoTek, founded in 2001 in England by Keith Martin, emerged from a focused mission to combat poor mains power quality that hampers hi-fi performance. Martin's vision drove rigorous research into power optimization, establishing the brand as a pioneer in delivering clean electricity to audio systems. From its inception, IsoTek has prioritized innovation, with products manufactured in Europe to ensure durability and precision.
The company specializes exclusively in power conditioning solutions, including highly specialized mains conditioners and enhancement power cables. These components actively filter and purify electricity from wall sockets, benefiting amplifiers, source components, turntables, and home cinema setups without altering core audio gear categories like speakers or DACs. This narrow focus allows IsoTek to offer scalable upgrades across budgets, from entry-level to reference-grade systems.
IsoTek commands a premium position in the high-end hi-fi market as the recognized leader in clean-power technology, trusted by over 100,000 customers in 45 countries and endorsed by brands like Arcam, Marantz, and Nordost. Hundreds of awards from audio critics affirm its reputation for transformative sound improvements and equipment protection, appealing to discerning enthusiasts seeking measurable performance gains.
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