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Rare opportunity to obtain this ultimate level grounding box by entreq
Excellent condition at £4,250 puts this just above the £4,207 median and essentially right in the fair-value band for recent GBP comparables. It is not a bargain at that level, but it is close enough to market that a clean example doesn’t feel stretched, especially for a niche Entreq piece where availability can matter as much as headline price.
What makes it appealing is the brand’s reputation for serious system tuning: these are sought after by owners chasing lower noise floor, better focus, and a more relaxed presentation rather than a flashy “upgrade” effect. In excellent condition, the real upside is getting a well-kept, specialized product without the usual wear, and there’s little reason to overthink it if it matches your system and you know why you want one.
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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