RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
New, the FiiO KA13 has sold around the US$79 level, so US$50 used is a strong deal—especially against six comparable sales with a US$236 median and US$85 lower quartile. Even without the original packaging, the price is comfortably below the typical market floor.
This is a particularly capable pocket DAC/amp: dual CS43131 converters, clean 3.5mm output, 4.4mm balanced drive, and desktop mode capable of up to 550mW per channel balanced. It supports high-resolution PCM and DSD256, and its compact format makes it an easy upgrade for a phone, tablet, or laptop. The missing cable is the only practical consideration; confirm the USB connection you need and verify both outputs, buttons, and desktop mode work. At US$50, though, it remains an easy recommendation if functional.
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.
