RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
Condition is unknown, and at US$210 this sits just above the US$200 median and slightly over the US$205 75th percentile, so it reads a touch ambitious rather than a clear bargain. It’s not wildly off, but it’s priced at the top end of the recent used market and should be judged against completeness and cosmetic state.
The RU6 is still a respected little R-2R DAC for its natural, organic presentation and strong portability, so a clean unit with the right cables and packaging can still make sense at this level. If it’s truly lightly used and fully accessorized, it’s a solid buy for someone who wants the RU6 sound without hunting harder; if anything is missing, there isn’t much cushion in the price.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Cayin Audio traces its roots to 1993, when Zhuhai Spark Electronic Equipment Co., Ltd. was established in Zhuhai, China. From the outset, the company focused on crafting audiophile-grade components under the Cayin brand, blending Eastern precision with a passion for musical fidelity. Over three decades, it has evolved from traditional hi-fi roots into a multifaceted player, emphasizing equipment that delivers exceptional sound across diverse price points to democratize high-quality audio.
The brand excels in a broad spectrum of categories, with its vacuum tube amplifiers standing out as flagship offerings renowned for warmth and detail. Its portfolio extends to CD players, speakers, digital audio players (DAPs), desktop systems like the i-series, portable amplifiers, in-ear monitors, and even innovative DACs such as the compact RU2 dongle. Since venturing into personal audio in 2013, Cayin has prioritized portable and lifestyle solutions, including the N-series DAPs, all while maintaining rigorous build quality with premium materials like milled aluminum and walnut wood.
Cayin holds a solid mid-to-high-end position in the global hi-fi market, prized by discerning buyers for its value-driven performance and cultural depth. It bridges accessible excellence with boutique appeal, earning acclaim for tube amps that rival pricier rivals, without veering into ultra-esoteric territory. This Chinese powerhouse continues to carve a lasting niche among knowledgeable enthusiasts seeking reliable, soulful sound.
See all Cayin Audio listings on RADAR.
eBay US
eBay US
eBay US
audio-markt.de
New
DE
Reverb
eBay UK
GB
