Fosi Audio S3 HiFi Music Streamer DAC Preamp Wi-Fi Bluetooth
Fosi Audio S3 — balanced HiFi music streamer, DAC, and preamp with Wi-Fi 6, Bluetooth 5.3, HDMI eARC, and XLR outputs.
Overview
The Fosi Audio S3 is a network music streamer designed for desktop, apartment, and living-room systems that need Bluetooth wireless streaming, high-resolution DAC conversion. Balanced HiFi music streamer, DAC, and preamp with Wi-Fi 6, Bluetooth 5.3, HDMI eARC, and XLR outputs.
Built for listeners who want measurable performance without a bulky AV receiver, the S3 focuses on clean power, useful I/O, and strong value. Standout points include AK4493SEQ DAC with XLR balanced, optical, and sub outs; Wi-Fi 6, AirPlay 2, Spotify Connect, TIDAL Connect, Google Cast; HDMI eARC for TV audio plus 5-band EQ. Use this product page to compare specs and photos before you buy on Amazon.
Key Features
- AK4493SEQ DAC with XLR balanced, optical, and sub outs
- Wi-Fi 6, AirPlay 2, Spotify Connect, TIDAL Connect, Google Cast
- HDMI eARC for TV audio plus 5-band EQ
- All-in-one digital transport, DAC, and preamp
Who It's For
Vinyl systems and HiFi front-ends that need clean gain, source switching, or tone shaping before a power amp. The S3 fits turntable setups, desktop preamp chains, and living-room systems that already have passive speakers and a Class-D amp.
Setup & Connectivity
On the desk or in a living-room rack, the S3 is easy to integrate: expect balanced XLR/TRS connectivity for lower noise in longer cable runs, Bluetooth streaming for phones, tablets, and laptops, digital inputs for PCs, TVs, and streamers, subwoofer or pre-out options for 2.1 and multi-amp systems. Review the photos and feature list on this page, then buy through Amazon when you are ready — the same Fosi Audio hardware sold on the official store.
Why Choose the S3
Choose the Fosi Audio S3 when you want ak4493seq dac with xlr balanced, optical, and sub outs for network music playback and digital source hubs. It sits in the same product family as Fosi’s popular TPA3255 amplifiers, balanced DAC preamps, and gaming DAC/AMPs — compact components that punch above their price on Amazon and the official Fosi Audio catalog.
Why Fosi Audio
Fosi Audio builds compact HiFi amplifiers, DACs, and desktop audio gear that punch above their price. Fosi Audio streamers and digital hubs keep network music simple alongside the brand’s amplifiers and DACs. Shop the same products featured on Amazon with specs and photos collected here for easy comparison.
Compare & explore
Browse more streamers, or explore DAC & amp models for source components.