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Rare opportunity to obtain this ultimate level grounding box by entreq
Entreq’s Olympus line sits near the top of the brand’s grounding-box hierarchy, so this is a serious piece rather than a tweak. At £4,250, the asking price looks ambitious but not crazy: new Tellus models have been around £1,650–£2,000 in current UK retail, while the older Olympus Infinity was listed at about £4,230, so this used price is broadly in the same territory as the model’s historical top-end new pricing rather than a clear bargain.
What makes it worthwhile is that these big Entreq boxes are bought for system quieting, lower hash, and a more settled, dimensional presentation when the system and grounding scheme are already good enough to show it. If the listing is genuinely excellent, that matters: these are niche, expensive, and often bought by committed users, so clean condition and complete original bits add real appeal. I’d treat it as a sensible buy only if you know the grounding approach fits your system and the package is complete; otherwise, it’s a luxury purchase rather than an obvious value play.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Entreq, a Swedish hi-fi innovator, traces its roots to 1999 when founder Per-Olof Friberg—a former farmer with a deep passion for music—began crafting solutions to elevate audio purity. From his rural background, Friberg evolved into a specialist designer, blending natural materials and audio alchemy to pioneer noise reduction techniques. Handmade at their Swedish facility since 2002, the brand embodies a commitment to uncompromised performance, drawing on two decades of boundary-pushing development.
The company focuses on niche accessories that transform energy in audio systems, slashing noise floors for more natural sound reproduction. Entreq is renowned for groundbreaking ground boxes, the original audio USB and network cables, DC power solutions, and specialized switches—innovations now emulated by others. Absent from mainstream categories like amplifiers or speakers, their lineup targets system optimization through unique connective processes and materials.
Positioned as a high-end boutique force, Entreq commands respect among discerning audiophiles for its distinctive, performance-driven ethos. Skepticism once greeted their grounding principles, but widespread adoption affirms their elite status in the ultra-premium market, where every component prioritizes unforced musical flow over convention.
See all Entreq listings on RADAR.
HiFi Forsale
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