Fosi Audio S3 Balanced HiFi Streamer/DAC/Preamp

Fosi Audio S3

Balanced HiFi Streamer/DAC/Preamp

Seamless Wireless
Streaming

Dual-Band Wi-Fi
Faster. More Reliable

Featuring dual-band 2.4GHz/5GHz Wi-Fi 6 and Bluetooth 5.3 with SBC and AAC support, the S3 streams music with rock-solid stability throughout your home.

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Multiple Options Stream
Your Favorites

Supports 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. Capable of up to Roon PCM 32bit/384kHz lossless audio, it delivers wired-grade sound quality with the convenience of wireless control.

Intuitive App Control
Fine-Tune Your Sound

The S3 is easy to set up and use with the Fosi Audio App, allowing you to control playback and effortlessly switch input/output modes. The app’s built-in 5-band precision EQ lets you fine-tune the sound to match your preferences.

Multi-Room
Play Music Everywhere

Impressive
Performance

Flagship Chipset
Superior Audio Source

S3 is powered by the Amlogic A113X streaming platform and a flagship AKM DAC, with OPA1612 op-amps in a balanced design. With THD+N as low as 0.00018% and a SNR up to 120dB, it ensures a clean, accurate signal at the source—laying a solid sonic foundation for your HiFi system.

Balanced Circuit
Greater Separation

The S3 features an independent AKM4493SEQ DAC with dual op-amp differential amplification and XLR balanced outputs, engineered for high-fidelity home audio. We recommend pairing it with the ZD3 and ZA3 to build a balanced system, which will bring a cleaner background, clearer layering, and a more expansive soundstage.

Premium Components
Purer Sound

Carefully selected top-tier components ensure lower noise and a cleaner signal path, delivering purer, more refined sound with every listen.

Play Your Way
Listen Without Limits

Upgrade Instantly
Your Home Theater

Equipped with high-bandwidth HDMI eARC, it delivers lossless audio from your TV with exceptional clarity and detail. With a dedicated SUB OUT, you can easily connect an active subwoofer and build a powerful 2.1 system for a truly immersive cinematic experience.

Connect with Ease
Digital & Analog Compatible

Premium Listening
Without Boundaries

Connect your mobile devices to the S3 and stream your favorite content. Whether you're a casual listener or an audiophile, the S3 makes high-quality listening simple and accessible. With stable wireless streaming, lossless music is no longer limited by cables.