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Offered is „Portable Duet headphone cable - 3.5mm TRS - 2x MMCX - 1,2 metre“ by Crystal Cable as second-hand device from the category „Headphone Cables“ on audio-markt.de - the online market place for high-end. The advert with the number 7965641477 ends on 31.10.2026 at 06:33 o'clock.
The age/timing angle matters here because this is a niche cable rather than a fast-changing electronics product, so the real question is whether the price matches the used market. At €599, it sits well below your €893 25th percentile and far under the €1,535 median, so this reads as a strong bargain rather than a merely fair ask.
That makes it a worthwhile buy if you want a quality portable upgrade without paying boutique-new money. Crystal Cable’s reputation is built on very light, flexible, well-finished cables, and a clean good-condition example with the common 3.5 mm TRS to dual MMCX format is especially attractive for IEM users who value comfort and low microphonics. The main thing to verify is practical fit: intact connectors, no intermittent channels, and that the length is right for your setup.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Crystal Cable is a Dutch high-end audio manufacturer founded in 2004 by Edwin and Gabi Rynveld in the Netherlands. The company emerged from Edwin's extensive background in precious-metal cable design, while Gabi's musical training and refined ear shaped the brand's distinctive sonic character. Crystal Cable operates as a sister company to Siltech, another respected cable manufacturer, though each maintains its own identity and design philosophy. The company marked two decades of operation in 2024, establishing itself as a globally recognized name in premium audio.
The brand specializes in high-end audio cables, including interconnects, speaker cables, and power cords, alongside a growing range of audio electronics and loudspeakers. Crystal Cable's flagship offerings are organized into the Art Series, comprising three cable families named after master artists—Monet, van Gogh, and da Vinci—each representing different performance tiers and design approaches. The company is known for pioneering work with monocrystal silver conductors and emphasizes hand-crafted production by skilled engineers in the Netherlands, viewing cables as fundamental components that must remain transparent and neutral to preserve signal integrity.
Crystal Cable occupies the upper echelon of the high-end hi-fi market, positioning itself among the most prestigious cable manufacturers for discerning audiophiles. The brand's reputation rests on meticulous attention to technical excellence combined with artistic design sensibility, appealing to listeners who view cables as critical links in the audio chain. Crystal Cable's Dutch heritage and commitment to in-house manufacturing reinforce its standing as a boutique, artisanal brand rather than a mass-market producer.
See all Crystal Cable listings on RADAR.
