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It’s a buyer’s market for this category at the moment. At US$120, this sits below the 25th percentile of recent comps at US$125 and well under the US$134 median, so it reads as a solid bargain rather than a merely fair ask.
The K11 R2R is appealing because it gives you a compact desktop amp/DAC with a more relaxed, textured presentation than the usual delta-sigma box, while still being simple to live with and easy to pair with a wide range of headphones. If it’s clean, fully functional, and includes the original power supply and accessories, this is the kind of used listing worth jumping on quickly; the only real caveat is to confirm the unit powers up properly and the seller can show normal operation, since that matters more than cosmetics here.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Fiio, founded in 2007 in Guangzhou, China, emerged as a specialist in portable audio gear, initially crafting components like speakers for brands such as Meizu before launching its own lineup. The name blends "Fi" from hi-fi fidelity with "iO" symbolizing digital one's and zeros, evoking authentic sound and modern convenience, while its Chinese rendering "飞傲" conveys innovative vitality. From modest beginnings, the company expanded into a 15,000-square-meter industrial complex by 2022, solidifying its role as a prolific developer of music-centric electronics.
The brand excels across a broad spectrum of portable and desktop audio categories, with flagship strengths in high-resolution digital audio players (DAPs), USB DACs, portable headphone amplifiers, and in-ear monitors. Its portfolio also encompasses cables, desktop amps, and select speakers, prioritizing versatile, high-performance solutions for on-the-go and home listening without venturing into turntables or large-scale hi-fi systems.
Fiio occupies a commanding mid-tier position in the global audiophile market, renowned for delivering premium sound quality at accessible prices that punch above their weight. Praised by enthusiasts for reliability and value, it appeals to discerning buyers seeking refined portable setups over luxury excess, backed by worldwide distribution and a track record of user-acclaimed innovations.
See all Fiio listings on RADAR.
