PRICING COMING SOON
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
Fosi Audio S3
Supports a wide range of streaming services such as TIDAL Connect and Spotify Connect. You can stream music directly from your music Apps to the S3 for seamless playback.
Multiple Options for Enjoying Music
Capable of up to PCM 32bit/384kHz lossless audio, it delivers wired-grade sound quality with the convenience of wireless control.
Note: Roon Ready certification is in progress and not yet supported. You can still use Roon via AirPlay 2 or Google Cast.
Dual-Band 2.4/5 GHz Wi-Fi 6
The S3 streams music with rock solid stability throughout your home
Control Playback and Switch Input/Output Modes
The app’s built in 5 band precision EQ lets you fine-tune the sound to match your preferences
Play Music Everywhere
The S3 streamer supports multi-room synchronized playback via google cast and Airplay 2
An Independent AK4493SEQ DAC
With THD+N as low as 0.00018% and an SNR up to 120dB, it ensures an accurate signal at the source
Premium Listening
Easily connect from anywhere in your home and stream your favorite content, from radio to music
Chipset
Amlogic A113X + AKM 4493SEQ + OPA1612
Network
802.11 a/b/g/n/ac/ax dual-band Wi-Fi (2.4 GHz and 5 GHz) 10/100M Ethernet port
Bluetooth
Bluetooth 5.3, A2DP, AVRCP, BTLE; supports SBC and AAC codecs
Remote Control
Bluetooth connectivity with a range of over 15 meters
Power
DC 12V 1.5A
Input Sampling Rate
OPT: PCM 24bit / 192kHz
BT: PCM 24bit / 48kHz
Google Cast: PCM 24bit / 96kHz
Airplay 2: PCM 16bit / 48kHz
HDMI: PCM 24bit / 192kHz
Roon Ready: PCM 32bit / 384kHz
Wi-Fi: PCM 24bit / 192kHz
Streaming Protocols
Google Cast, AirPlay 2, DLNA, Roon Ready, Spotify Connect, Tidal Connect
APP
Fosi Audio APP Download on Google Play and the App Store
Dimensions
17.3 × 17.3 × 4.7 cm (6.81 × 6.81 × 1.85 in)
What‘s in the box？
- Fosi Audio S3
- Bluetooth Remote Control
- Quick Guide
- DC Power Adapter
- Optical Cable
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