Fosi Audio DS3 USB-C DAC Amp Dongle, Portable Headphone Amplifier with Gaming 7.1 Spatial Audio, ES9039Q2M XMOS POWERED, DSD512, 3.5mm Single 4.4mm Balanced, Hifi Amps for PC/Phone/PS5/Switch Black
From the brand
Discover Fosi Audio – Your HiFi Solution! We're a tech-driven brand, crafting innovative audio products around the world. Our vision: Affordable excellence for each consumer. Our mission: Redefining HiFi with cost-effective innovations. Join Fosi Audio on this unique audio journey!
Fosi Audio K7
The versatile solution for headphone HiFi and desktop audio.
Fosi Audio ZH3
All-in-One Desktop HiFi DAC/Headphone Amp/Preamp
Fosi Audio ZD3
Fully Balanced Desktop DAC Preamp with ES9039Q2M Chip
Open-Back IEM Earphones, In Ear Monitor Wired Earbuds, 10mm Single Dynamic Driver
Fosi Audio DS2
Portable USB C DAC DSD512 ES9018K2M Headphone Amp HiFi Tiny Mixer
Fosi Audio VOL20
RGB Lighting Customization Multi-Function Button with Adjustment
Fosi Audio Music Visualizer
Creating an immersive audio-visual experience that enhances both sight and sound.
More home audio amplifier
Get to know about Fosi Audio
For the past 5 years, we have been designing and developing audio products for real life, aiming to provide a perfect blend of premium acoustic performance with a modern, elegant design.
Why do we love what we do?
We’re not limited by what’s possible now. With a bold vision for the future of audio products, we painstakingly develop advanced technology and innovative research to make it a reality.
Why choose Fosi Audio?
We use meticulous production technology, combined with low-key modern industrial design, to present the sound as clear and pure as flawless crystal.
Audiophile-Grade DAC: This USB-C dongle DAC/amp pairs ES9039Q2M with 32bit/768 kHz PCM & native DSD512, delivering ≥122 dB SNR & <0.0003 % THD while pushing 220 mW@32Ω balanced—high performance meets low power draw for phones, PCs, and Switch
XMOS POWERED Processor: As the world's first DAC/amp to integrate XMOS POWERED in a battery-free design, DS3 runs a dual-core 1.6 GHz engine that fully unleashes the ES9039Q2M DAC, ensuring rock-stable, lossless audio streaming from source to decoder
Hardware Spatial Audio: Fosi's built-in algorithm turns 7.1-channel game audio into 360° surround, while a dedicated FPS effect pinpoints footsteps, reloads, and gunfire for instant positional accuracy on PC, PS5, or Switch—no drivers needed
HiFi & Gaming Dual Modes: Supports UAC 1.0 and UAC 2.0, with volume memory available in both modes. Eight filter options and an 8-band hardware-level PEQ – adjustable via a web-based control panel – allow precise sound customization without degradation
Family Design & Colors: CNC-milled aerospace aluminum and a tempered-glass skylight pare the portable dongle dac down to 16 g while flaunting the internal circuit board, plus DS3 comes in galaxy and obsidian to match the IM4 headphones
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