What accessories are included with the DS3?

The box contains the DS3 dongle DAC/amp, a USB-C cable, a USB-C to USB-A adapter, a quick-start guide, and the user manual—everything you need for plug-and-play listening on phones, PCs, PS5 or Switch.

How do I switch gaming sound effects on the DS3?

In UAC 1.0 gaming mode, long-press both Volume+ and Volume- buttons to cycle through No Effect(yellow) / FPS Effect(blue) / 7.1 Spatial Audio Effect(purple); 7.1 creates a 360° immersive soundstage-no drivers needed.

Can I change digital filters on the DS3?

Yes—long-press both volume keys in UAC 2.0. Filters 1–7 blink once, Filter 8 blinks twice; pick the curve that best suits your headphones and music.

How do I change UAC modes on the DS3?

Plug in to default UAC 2.0 (red LED). Hold any volume key while reconnecting for UAC 1.0 (yellow). Swap back by unplugging and re-plugging the USB-C cable.

How do I toggle high/low gain on the DS3?

Short-press both volume keys together. In UAC 2.0, red flash = high gain, solid red = low. In UAC 1.0, watch the last color: flash = high, steady = low—yellow for no effect, blue for FPS, purple for 7.1.

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- DS3 USB-C DAC HiFi Amp Dongle, Portable Headphone Amplifier with 7.1 Spatial Audio, ES9039Q2M XMOS Powered, DSD512, 3.5mm Single 4.4mm Balanced for PC/Phone/ PS5/ Switch Black

- DS3 USB-C DAC HiFi Amp Dongle, Portable Headphone Amplifier with 7.1 Spatial Audio, ES9039Q2M XMOS Powered, DSD512, 3.5mm Single 4.4mm Balanced for PC/Phone/ PS5/ Switch Black

Product ID: 803629985

Details

Audio Output Mode
Surround Sound
Brand
Fosi Audio
Interface Type
USB
Mounting Type
Freestanding
Number of Channels
7

⚡1.6 GHz dual-core XMOS processor

🎧220mW balanced output

🔊7.1 spatial audio

140521CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Elevate every note—portable audiophile power in your pocket!

CUSTOMIZABLE HI FI EQ - Fine-tune your audio with 8 digital filters and a 32-band hardware PEQ via an intuitive web panel—reference-grade tone shaping on demand.
SLEEK ULTRA LIGHT DESIGN - CNC-milled aerospace aluminum and tempered glass in a featherlight 16g chassis, perfectly matching your premium gear aesthetic.
AUDIOPHILE GRADE PRECISION - Experience ultra-clean, 32-bit/768kHz PCM & native DSD512 playback with >122dB SNR and <0.0003% THD for crystal-clear sound.
IMMERSIVE 7 1 SPATIAL AUDIO - Transform your listening with hardware-backed 360° soundscapes and enhanced directional cues for gaming and critical content.
NEXT LEVEL PROCESSING POWER - XMOS dual-core 1.6 GHz engine ensures jitter-free, bit-perfect audio streaming with future firmware upgrades—no batteries needed.

The Fosi Audio DS3 is a portable USB-C DAC and headphone amplifier featuring the ES9039Q2M chip and XMOS dual-core processor. It delivers high-resolution 32-bit/768kHz PCM and native DSD512 audio with ultra-low distortion and a powerful 220mW balanced output. Designed for phones, PCs, PS5, and Switch, it offers immersive 7.1 spatial audio, advanced hardware EQ customization, and a premium lightweight aluminum build, making it the ultimate on-the-go Hi-Fi solution.

Specifications

ASIN	B0G6KJQV28
Audio Output Mode	Surround Sound, 3D Spatial Audio
Best Sellers Rank	#30,459 in Electronics ( See Top 100 in Electronics ) #50 in Headphone Amps
Brand Name	Fosi Audio
Compatible Devices	phones, PCs, PS5, Switch
Customer Reviews	3.9 3.9 out of 5 stars (75)
Included Components	User Manual
Interface	USB
Item Weight	16 Grams
Manufacturer	Fosi Audio
Model	DS3-Black
Mounting Type	Freestanding
Number of Channels	7
Smart Home Compatibility	Not Smart Home Compatible
Unit Count	1.0 Count
Warranty Description	24months

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