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£90 is fair, sitting a bit above the £80 median but still well below the £142 75th percentile for recent comparable GBP listings, so this is not an aggressive ask. It is not a bargain on pure price, but it is comfortably inside normal used-market territory for the model.
What makes it worthwhile is that the BTR15 is a genuinely capable little Bluetooth DAC/amp: compact, battery-powered, and well-regarded for strong sound quality for the size, with balanced output and enough drive for many portable headphones. At this price, the main upside is convenience plus a current-model unit at a sensible used rate; I’d just want the usual checks on battery health, charging, and included cable/accessories since those matter more than cosmetic box-opened status.
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.
