RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
mit original Verpackung und Stromnetzteil (32V 5A)
hervorragender Zustand
https://fosiaudio.com/products/bt20a-pro-2-channel-bluetooth-power-amplifier?variant=46048805126374
€75 is a strong deal: it sits below the €84 median and comfortably under the €67–€94 middle-market range’s 25th-percentile threshold, making this excellent value in excellent condition.
The BT20A Pro is a particularly capable little Class-D amp, combining clean, punchy power from the TPA3255 chip with Bluetooth, RCA input, tone controls, and a useful pre-out for adding a subwoofer. It is compact, efficient, and unusually configurable for the money, with replaceable op-amps if that appeals. Check that the correct power supply is included—especially the standard 32V/5A unit—and that Bluetooth, controls, and the pre-out all work, but there is no material reason to hesitate at this price.
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.
