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