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Are you looking for a compact USB DAC/amp rather than a modern feature set? At US$30, this is a strong bargain: it sits well below the US$78 25th-percentile comparable price and far under the US$368 median. Even allowing for unknown condition, the asking price leaves plenty of room for an excellent buy if it works properly.
The E10K Olympus 2 remains a useful little desktop unit: clean, straightforward USB conversion, a capable 3.5mm headphone output, low output impedance, gain and bass-boost switches, plus line and coaxial outputs. It is particularly handy for driving ordinary low- to moderate-impedance headphones from a laptop or desktop, without needing a separate power supply. At this price, check that USB connection, volume control, switches, and headphone output are quiet and reliable; if they are, this is an easy recommendation.
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.
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