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The timing barely matters here: the K11 R2R remains the current R2R version rather than an obviously superseded generation. At £105, it sits close to the £98 median—well inside the £91–£112 range from 65 comparable listings—so this is a fair, sensible price rather than a bargain or an ambitious ask.
It is a particularly capable compact desktop DAC/headphone amp, with a distinctive discrete 24-bit R2R DAC, USB, optical and coaxial inputs, plus both 6.35mm single-ended and 4.4mm balanced outputs. The balanced stage has serious headroom for demanding headphones, while the R2R presentation and useful connectivity make it more than a basic entry-level box. With the listing marked unknown condition, confirm the power supply, screen, volume control, outputs and accessories; if complete and working cleanly, £105 is a worthwhile buy.
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.
