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Condition is unknown, but at US$275 this is a strong deal: it sits well below the US$368 25th percentile and a long way under the US$414 median for recent used comps. That puts it in bargain territory rather than merely fair value, assuming it powers up cleanly and the seller can confirm normal operation.
The K13 R2R is appealing because it gives you a modern desktop DAC/amp with Bluetooth and FiiO’s R2R flavor, so you’re getting both convenience and a sound that tends to attract people who want a little more body and texture than a generic delta-sigma box. At this price, the main upside is simple: it’s cheap enough to be an easy entry into a well-liked desktop all-in-one, and any included power supply or remote only makes it better.
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.
