Fosi Audio S3 HiFi Music Streamer DAC Preamp, AK4493SEQ DAC Wi-Fi 6 Bluetooth 5.3, Digital Transport with XLR Balanced/Optical/Sub Out/HDMI eARC, AirPlay 2 Spotify Connect Tidal, 5-Band EQ

Name: Fosi Audio S3 HiFi Music Streamer DAC Preamp, AK4493SEQ DAC Wi-Fi 6 Bluetooth 5.3, Digital Transport with XLR Balanced/Optical/Sub Out/HDMI eARC, AirPlay 2 Spotify Connect Tidal, 5-Band EQ
Brand: Fosi Audio
SKU: awhd-us-b0gl81b7p9
Price: 246.99 USD
Availability: InStock

Brand: Fosi Audio

Condition: Used - Like New

$246⁹⁹

$259⁹⁹

-5% Save $13⁰⁰

Updated: 10 hours 16 mins ago

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Description

• All in One HiFi Streamer: The S3 combines digital transport, DAC & preamp in one chassis. The flagship AK4493SEQ DAC supports PCM up to 32bit/384kHz with THD+N ≤0.00018% and SNR ≥120dB—delivering reference-grade sound for serious home audio systems

• WiFi 6 & Bluetooth 5.3: Dual-band (2.4/5GHz) Wi-Fi and Bluetooth ensure wider coverage and faster wireless connections. Supports AirPlay 2, Spotify Connect, TIDAL Connect, Google Cast, and DLNA. Stream music from NAS or online services with ease

• Balanced Circuit with Premium Components: Isolated analog/digital architecture, Japan ELNA capacitors, ultra-low-noise LDO power supply. Dual op-amp differential amplification with XLR balanced outputs, engineered for greater separation and a wider soundstage

• Intelligent Control & Home Theater Ready: Easy setup with the Fosi Audio App to control playback and fine-tune the sound via EQ. With HDMI eARC and a dedicated SUB OUT, you can connect to your TV and active subwoofer to build an immersive 2.1 home theater

• Reliable Streaming Amplifier with Smart Protection: 12V trigger sync, overcurrent/overvoltage safeguards, bottom heat dissipation. Compact 6.81" design—integrated amp companion with audiophile performance

- Balanced Circuit Architecture: Features independent AKM4493SEQ DACs + dual OPA1612 op-amp differential design. The XLR balanced output pairs seamlessly with ZD3/ZA3 to build a fully balanced system, delivering lower distortion and a wider soundstage. -Low-Noise Design: Digital and analog modules are independently powered, complemented by Japan ELNA audiophile-grade capacitors for exceptional power supply noise suppression. -Versatile Scenario Compatibility: Supports local NAS music playback, streaming service casting, and traditional audio system upgrades—covering all home audio scenarios.

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Product Details

SKU:: awhd-us-b0gl81b7p9
Model:: S3
Country:: US
ASIN:: B0GL81B7P9

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $13 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

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