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This is a fair-to-ambitious ask rather than a bargain: at £110, it sits above the £91 75th percentile for your recent UK comps, so it’s pricing itself at the top end of the current used range. Against a £72 median and £53 25th percentile, I’d want some clear upside to justify it.
That said, the K3 is a solid little DAC/amp with a good reputation for clean desktop sound, useful power for efficient-to-moderate headphones, and straightforward plug-and-play convenience. If it’s genuinely clean, from an original owner, and comes with the right USB lead and packaging, it can still make sense for a buyer who values condition and immediate usability more than chasing the lowest number.
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.
