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Fosi Audio DS3 USB-C DAC Headphone Amplifier – For Gamers & Music Lovers

Product Description

Features:

Audiophile-Grade DAC: USB-C dongle with ES9039Q2M, 32bit/768kHz PCM & native DSD512, ≥122dB SNR, <0.0003% THD, 220mW@32Ω balanced. Battery-free, compatible with phones, PCs, Switch.XMOS POWERED Processor:World’s first battery-free DAC/amp with dual-core 1.6 GHz XMOS, unlocks ES9039Q2M full performance for stable lossless audio.

Hardware Spatial Audio:7.1 to 360° surround sound, dedicated FPS effect for precise audio positioning (footsteps/gunfire). Driver-free, for PC/PS5/Switch.

HiFi & Gaming Dual Modes: UAC1.0/2.0, volume memory, 8 filters + 8-band hardware PEQ (web panel adjustable), lossless sound customization.

Family Design & Colors:16g CNC aerospace aluminum, tempered-glass skylight (exposed circuit board), galaxy/obsidian colors, matches IM4 headphones.



What You Get in the Box

  • 1 x Fosi Audio DS3 Amplifier (choose Galaxy White or Obsidian Black)
  • 1 x USB-C Cable (100cm – long enough to use with your phone in a case)
  • 1 x USB-C-to-USB-A Adapter (for old PCs/laptops)
  • 1 x Multilingual User Manual (English included)
  • 1 x Quick Start Guide (simple steps for mode switching/sound effects)

All items ship together – no separate deliveries, so you get everything to use DS3 right away.
You want a simple, powerful device that does both gaming and music well – no tech headaches, no extra gear, no dead batteries. It’s small enough to carry anywhere, tough enough for daily use, and works with everything you own.



  • Safe and secure payment by EBAY.
    1.We accept credit cards ,apple pay,Google pay,PayPal etc.
    2.All major credit cards are accepted through secure payment processor PayPal.
    3.Payment must be received within 7 business days of auction closing/offer accepted.
    4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.

  • Handling Time: 1-3 working days.

    Normal delivery time: 1 Week.

  • Free Return Within 30 Days
    We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided.

    2-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes).
 If you are satisfied with our products and service please leave a 5-star StarStarStarStarStar. Positive feedback rating Feedback is very important to us just like our lives, please DO contact us before you leave a neutral Neutral feedback rating or negative Negative feedback rating feedback, we will provide better solutions until you are satisfied.


About us
Fosi Audio was founded in Shenzhen China, we own the brand Fosi Audio.
As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable.
We will spare no efforts to bring great products and service for customers and extremely to improve our customers’ listening experience.


Contact us

Please don't hesitate to contact us if you have any questions or comments about our items. And  our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at:


Working time      
Beijing(CN)     Monday-Friday     09:00 AM - 18:00 AM
New York(US)     Sunday to Thursday     08:00 PM - 05:00 AM
London(UK)     Monday-Friday     01:00 AM - 10:00 AM
Paris(FR)     Monday-Friday     02:00 AM - 11:00 AM
 
During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation.
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