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Fosi S3 streamer/DAC/preamp. Moving back to integrated so moving this on. It is in excellent condition and working perfectly. I've mainly used it as a preamp between my Wiim Pro/turntable and power amps. Have original box so postage is possible but local pickup preferred. Can potentially meet som...
A$260 is ambitious against the used market here: it sits well above the 75th percentile of A$169 and more than doubles the A$98 median, so this only makes sense if there’s something extra in the package or the unit is effectively as-new.
The upside is that this kind of streamer can be a tidy, low-fuss way to add modern music playback to a system, especially if it’s been well cared for and comes with the original accessories, power supply, and packaging. At this price, a buyer should want proof it’s fully functional, current firmware is sorted, and nothing is missing; otherwise, there are better-value buys in the broader used pool.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Fosi Audio emerged in January 2017 from a modest 10-square-meter office in Shenzhen, China, founded by Ryan Huang and a partner driven by the conviction that high-fidelity sound should be accessible without elite pricing. The brand represents the new wave of Chinese audio manufacturers challenging the traditionally expensive import-dominated hi-fi market. In less than a decade, the company has grown from a confidential startup to an internationally recognized player, now operating from an R&D center spanning over 2,300 square meters and holding more than 100 patents.
Fosi Audio's product portfolio spans the full spectrum of hi-fi components, with particular strength in compact amplifiers and digital-to-analog converters that deliver disproportionate performance for their price point. The brand manufactures integrated and multi-channel amplifiers, DACs, headphone amplifiers, preamplifiers including phono stages, passive subwoofer modules, speakers, headphones, and cables. This comprehensive range reflects a deliberate strategy to serve both entry-level enthusiasts and experienced audiophiles seeking value-oriented solutions rather than feature-laden complexity.
The brand occupies a distinctly mid-tier, value-conscious position in the market, distributed across more than 150 countries and frequently ranking atop Amazon's hi-fi charts. Fosi's reputation rests on pragmatic engineering—delivering compelling sound quality through efficient, optimized electronics rather than pursuing systematic upscaling. The company sells directly through its website, Amazon, and AliExpress, backing products with lifetime technical support and a 24-month warranty, positioning itself as an accessible gateway into serious hi-fi rather than a luxury or boutique concern.
See all Fosi Audio listings on RADAR.
