Fosi Audio S3 HiFi Streamer DAC Preamp with Wi-Fi 6

- 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.

• 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. All-in-One HiFi Streamer: Combines digital transport, DAC & preamp in one chassis. The AK4493SEQ DAC supports PCM up to 32bit/384kHz with reference-grade sound quality. WiFi 6 & Bluetooth 5.3: Dual-band wireless connectivity supports AirPlay 2, Spotify Connect, TIDAL Connect, Google Cast, and DLNA for seamless streaming from NAS or online services. Smart Control & Home Theater Ready: Control playback and EQ via the Fosi Audio App. HDMI eARC and dedicated SUB OUT let you connect to your TV and active subwoofer for immersive 2.1 home theater. Reliable Performance: Overcurrent/overvoltage protection, 12V trigger sync, and compact 6.81" design make it the perfect integrated amp companion with audiophile-grade performance.