Fosi Audio designs and manufactures high-fidelity audio components, including amplifiers, preamps, and DACs, aiming to make audiophile sound accessible to everyone.
Established in 2017, Fosi Audio is a dedicated audio brand under Shenzhen Foresight Technology Co., Ltd., focused on the development, manufacturing, and global sales of high-quality HiFi products. Guided by the core principles of Foresight, Openness, Sincerity, and Innovation, the company strives to redefine HiFi with unmatched value.
Fosi Audio's extensive lineup includes home audio amplifiers, vacuum tube preamps, DACs, headphones, and Bluetooth receivers, all designed to deliver clear, emotional, and authentic sound. With a presence in over 100 countries, Fosi Audio continues to innovate by co-creating equipment with its user community to help audiophiles "Hear the Unheard."
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Fosi Audio pledges a 24-month limited warranty and support from the date of purchase for their products.
You can contact the support team directly via email at support@fosiaudio.com or through the contact form on their official website.
Yes, vacuum tube preamps and amplifiers like the T20 or GR70 typically require about 15 to 20 seconds to warm up before they function optimally or produce sound.
Drivers and support for DACs connected to PCs are often plug-and-play, but specific software like Foobar2000 settings or DSD decoding instruction can be found on the Fosi Audio official website or their community forum.