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At US$150, this FiiO K11 R2R sits just above the 75th percentile of recent used listings (US$148) but remains a strong buy given its US$169–US$180 new retail price. It’s not a bargain, but it’s a fair-to-solid value for a desktop R2R DAC/amp that delivers genuine resistor-ladder texture and midrange warmth in a compact aluminum chassis.
The K11 R2R is well-regarded for bringing true 24-bit R2R topology—complete with switchable NOS/OS modes and up to 1300mW balanced output—into the sub-US$200 space, a rarity for entry-level hi-fi. Its full differential design, low noise floor, and broad input support (USB, coax, optical, Bluetooth) make it a versatile desktop hub. Unless this listing lacks the original power adapter or shows wear, US$150 is a reasonable entry point for a product that still commands US$170+ new.
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.
