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This is a strong deal. At US$55, it sits far below the recent used median of US$414 and even under the 25th percentile of US$368, so the asking price looks unusually attractive for this class of Fiio DAC/amp.
The KA13 is well-liked because it gives a lot of performance for very little money: compact form factor, dual CS43131 DACs, and both 3.5mm and 4.4mm outputs make it flexible for IEMs and easy desktop carry use. If it’s clean, fully functional, and includes the needed cable/adapters, this is the kind of buy that makes sense immediately; the only real checks are condition, intact ports, and whether it comes with the right accessories for your phone or laptop.
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.
