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This is a buyer’s market for used desktop DAC/amps, and at £89 this sits just above the recent comparable median of £78 and narrowly above the £88 upper quartile. It is therefore fair rather than a bargain, with a little room to negotiate—particularly since the condition is unspecified. Around £80–£85 would feel especially attractive.
The K11 remains a strong all-in-one choice: clean, neutral conversion, useful optical, coaxial and USB inputs, RCA line output, and plenty of headphone power through both 6.35mm and balanced 4.4mm outputs. Its compact case, display and three gain levels add genuine day-to-day convenience, and it is powerful enough for most headphones. At £89, confirm the external power supply, test both headphone outputs and check the screen and volume control; complete, clean examples can justify the asking price.
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.
