Fosi Audio S3, Balanced HiFi Streamer, DAC + Preamp
Only 1 piece in stock at supplier
Product details
The S3 from Fosi Audio combines digital streaming, a DAC, and a preamplifier in one unit. The flagship DAC AK4493SEQ supports PCM up to 32-bit/384 kHz, delivering reference sound for demanding home audio systems. Dual-band Wi-Fi (2.4/5 GHz) and Bluetooth provide extensive range and fast wireless connections. It supports AirPlay 2, Spotify Connect, TIDAL Connect, Google Cast, and DLNA. Easily stream music from your NAS or online services. The S3 features a separate analog/digital architecture, Japanese ELNA capacitors, and an extremely low-noise LDO power supply. Simple setup with the Fosi Audio app allows you to control playback and fine-tune the sound via an equalizer. With HDMI eARC and a separate subwoofer output, you can connect your TV and an active subwoofer to create an immersive 2.1 home theater experience. It also includes 12V trigger synchronization, overcurrent/overvoltage protection, and heat dissipation at the bottom.
Amplifier Equipment | Bluetooth, Wi-Fi |
Item number | 68512118 |
Manufacturer | Fosi Audio |
Category | Stereo amplifiers |
Manufacturer No. | S3 |
Release date | 18.3.2026 |
Sales rank in Category Stereo amplifiers | 28 of 536 |
May include power adapter | No |
Colour | Grey |
Exact colour description | Grey |
Amplifier Equipment | Bluetooth, Wi-Fi |
Multiroom standard | Airplay 2 |
Network features | AirPlay2, DLNA audio streaming, Spotify Connect |
Audio outputs | XLR |
Smart home ecosystem | Google Assistant |
Country of origin | China |
CO₂ emissions | 157.56 kg |
Climate contribution | CHF 3.75 |
Scope of delivery | Bluetooth remote control, Optical cable, Power supply |
Width | 173 mm |
Height | 47 mm |
Depth | 173 mm |
Length | 34.10 cm |
Width | 23.10 cm |
Height | 8.10 cm |
Weight | 1.37 kg |
Compare products
Goes with
Reviews & Ratings
Warranty score
How often does a product of this brand in the «Stereo amplifiers» category have a defect within the first 24 months?
Source: Digitec Galaxus- 1.Giecy0.5 %
- 1.WiiM0.5 %
- 3.Fosi Audio1.3 %
- 4.Yamaha1.7 %
- 5.Sony2 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- 1.Power Dynamics2 days
- 1.Yamaha2 days
- 3.Fosi Audio7 days
Return rate
How often is a product of this brand in the «Stereo amplifiers» category returned?
Source: Digitec Galaxus- 1.Denon3.4 %
- 2.Fosi Audio4.7 %
- 2.Yamaha4.7 %
- 4.Power Dynamics5.2 %
- 5.WiiM5.6 %