Fosi Audio DS3 Portable Dac Headphone Amp

The Fosi Audio DS3 is a compact DAC and headphone amplifier designed to deliver both high-resolution audio performance and immersive spatial sound. Featuring a powerful ESS ES9039Q2M DAC chip and XMOS USB interface, it supports PCM up to 32bit/768kHz and DSD512 for detailed and accurate playback.

Its built-in spatial audio algorithm transforms stereo and multichannel signals into a virtual 7.1 surround experience, creating a wide and immersive soundstage. This is especially beneficial for gaming, where precise positioning and depth enhance realism and awareness.

The DS3 requires no drivers or software, making it easy to use across different systems. Its CNC-machined aluminium chassis with a tempered glass window ensures durability while maintaining a premium, modern look.

Features
ESS ES9039Q2M High-End DAC Chip
XMOS USB Interface For Stable Audio Processing
Supports PCM Up To 32bit 768kHz And DSD512
Virtual 7.1 Surround Sound Spatial Processing
No Drivers Or Software Required
3.5mm Single-Ended And 4.4mm Balanced Outputs
Physical Volume Control With Memory Function
CNC Aluminum Chassis With Tempered Glass Window
Compact And Portable Design
Optimized For Gaming, Music And Movies

Specifications
Product Type: Portable DAC And Headphone Amplifier
DAC Chip: ESS ES9039Q2M
USB Interface: XMOS
Input: USB-C
Outputs: 3.5mm Jack, 4.4mm Balanced Jack
Sampling Rates: PCM Up To 32bit 768kHz, DSD512
Output Power: 220mW @ 32Ω
Output Level: 2Vrms (3.5mm), 4Vrms (4.4mm)

In The Box
Fosi Audio DS3
USB-C Cable
USB-C To USB-A Adapter
User Manual
Quick Guide