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Ground post enhancer
This is a buyer’s market for the Entreq grounding-box niche, and £130 looks like a strong buy versus the only solid price anchor I can identify for the Everest trim, which sat at about £349 new in the cited Enthreq lineup context. For a used piece in excellent condition, that puts the ask at well under half of known new pricing, so it reads as genuinely attractive rather than merely fair.
What makes it worth chasing is that Entreq boxes are sought after by listeners looking for a quieter background, better focus, and more ease in revealing low-level detail without changing the system’s voicing much. A clean example is the kind of accessory that can be easy to resell if it clicks, and at this price the upside is good even if you’re just experimenting. I’d mainly verify it’s complete and unmodified, since with passive tuning accessories the value is strongest when the original parts and condition are intact.
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
Excellent
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SE
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