RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
At £136, this asking price sits just above the 75th percentile (£128) of the typical used market for the FiiO K5 Pro ESS, making it ambitious but not unreasonable given current scarcity. The median used price is £75, with the 25th percentile at £45, so this listing is clearly in the upper tier of value rather than a bargain. However, it remains within a realistic range for a well-maintained unit, especially if it includes original accessories or retains original-owner condition.
The K5 Pro ESS is highly regarded for its compact design, powerful 1.5W output at 32Ω, and the high-quality ES9038Q2M DAC chip that delivers clean, detailed sound across PCM and DSD formats. It handles multiple inputs (USB, optical, coax, RCA) and offers three gain stages, making it versatile for headphones, gaming, or as a preamp. If this listing is clean, includes the power supply and cables, and shows no signs of wear, it represents a worthwhile buy for anyone seeking a reliable, high-performance desktop DAC/amp combo at a fair-to-ambitious price point.
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.
