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Buyer’s market here, and £140 looks like a strong deal against the recent used benchmark: it lands well below the £270 25th percentile, with the median at £304 and the upper quartile at £364. For a clean-working K7, that’s the kind of price that should move quickly rather than sit.
The appeal is straightforward: the K7 is a very capable desktop DAC/amp with plenty of power, balanced output, and a reputation for giving a lot of performance for the money. Damaged packaging is a non-issue if the unit itself is fine, so the main check is just that it powers up properly, outputs cleanly, and includes the needed cables. At £140, this is an easy enthusiast buy if the seller can confirm full function.
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.
