Fosi Audio DS1 USB DAC Headphone Amplifier

Small Size. Serious Sound. High-Resolution Listening.

Designed for music lovers who want better sound from their digital devices, the Fosi Audio DS1 is a compact USB DAC and headphone amplifier that combines high-resolution audio processing with powerful headphone amplification.

Featuring the ESS ES9038Q2M DAC chipset, the DS1 supports up to 32-bit/768kHz PCM and DSD512, delivering clean, detailed and highly resolving sound from smartphones, tablets, laptops and computers.

High-Resolution Audio

Hear more detail from your favourite music.

The DS1's ESS ES9038Q2M DAC chipset supports PCM audio up to 32-bit/768kHz and DSD64/128/256/512, providing high-resolution playback for listeners who want to get more from their digital music collection.

Powerful Headphone Amplification

Small enough to take anywhere, yet powerful enough to drive a wide range of headphones.

The DS1 delivers up to 120mW through its 3.5mm output and 220mW through its 4.4mm balanced output, supporting headphones with impedance from 16Ω to 300Ω.

3.5mm & 4.4mm Outputs

Enjoy flexible connectivity for different headphones and IEMs.

The 3.5mm single-ended output provides broad compatibility with conventional headphones, while the 4.4mm balanced output offers a powerful option for compatible headphones and IEMs.

Clean, Detailed Sound

Designed to keep your music clear and free from unwanted noise.

With an SNR of ≥120dB, low distortion and a noise level below 1.6μV, the DS1 is engineered to deliver a clean and detailed listening experience with excellent clarity and separation.

Portable by Design

Take high-quality audio wherever you go.

Weighing just 38g, the compact DS1 easily fits into your everyday setup. Connect it to a compatible smartphone, tablet, laptop or computer and enjoy an upgraded listening experience at home, in the office, while travelling or during gaming.

Simple USB-C Connectivity

The DS1 uses USB Type-C for digital audio input and is compatible with a wide range of modern devices, including Android, iOS, Windows and Mac systems.

An independent volume control also allows you to adjust listening levels directly from the DS1.

Why Choose the Fosi Audio DS1?

• Portable USB DAC and headphone amplifier
• ESS ES9038Q2M DAC chipset
• Supports PCM up to 32-bit/768kHz
• Supports DSD64/128/256/512
• 3.5mm single-ended headphone output
• 4.4mm balanced headphone output
• Up to 120mW SE / 220mW balanced output power
• Supports headphones from 16Ω to 300Ω
• SNR of ≥120dB
• Low-noise, low-distortion audio performance
• USB-C connectivity
• Compatible with Android, iOS, Windows and Mac
• Compact 38g design
• Independent volume control
• Includes USB-C cable and USB-A to USB-C adapter