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Fosi Audio DS3 USB-C DAC HiFi Amp Dongle, Portable Headphone Amplifier with 7.1 Spatial Audio, ES9039Q2M XMOS Powered, DSD512, 3.5mm Single 4.4mm
PHP 8001
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Crafting a 360° immersive audio experience with HiFi gaming features, the Fosi Audio DS3 is the world’s first DAC/Amp powered by XMOS.
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What Stands Out
Product Details
- Audiophile-Grade DAC Architecture: Built around the ES9039Q2M, this USB-C dongle DAC/amp supports 32-bit/768 kHz PCM and native DSD512, delivering a ≥122 dB SNR and <0.0003% THD—while outputting 220 mW @ 32Ω balanced. Engineered for transparent, low-noise reproduction with efficient power draw, it pairs flawlessly with phones, PCs, and the Switch for reference-grade listening on the go.
- XMOS-POWERED Dual-Core Processing: As the world’s first battery-free DAC/amp to integrate XMOS POWERED, DS3 runs a 1.6 GHz dual-core engine that fully unlocks the ES9039Q2M’s capabilities. This ensures bit-perfect, jitter-free audio streaming from source to decoder, with future firmware upgradability to keep performance evolving—no external power brick required.
- Hardware-Backed Spatial Enhancement: A built-in Fosi algorithm transforms multichannel audio into an immersive 360° soundscape, while a dedicated positional cue enhances directional clarity—ideal for critical listening and content consumption on PC, PS5, or Switch. Plug-and-play, driver-free across all platforms.
- Hi-Fi-Centric Dual Modes & Advanced EQ: Supports both UAC 1.0 and UAC 2.0 with independent volume memory. Fine-tune your sound with 8 selectable digital filters and a 32-band hardware-level PEQ—adjustable via an intuitive web-based control panel—delivering precise, phase-coherent customization without any sonic degradation. This is reference-grade tone shaping, not software emulation.
- Reference Tuning & Dynamic Fidelity: Engineered for highly neutral, faithful reproduction with exceptional dynamic range and transient response, the DS3 stays true to the original recording. Whether driving sensitive IEMs or demanding full-size headphones, it reveals micro-details without artificial coloration—perfect for mix reference and critical listening.
- Refined Industrial Design: CNC-milled aerospace aluminum and a tempered-glass skylight keep the portable dongle at just 16 g, offering a premium tactile feel while showcasing the precision-laid internal circuitry. Available in Galaxy and Obsidian finishes, matching the IM4 headphones for a cohesive aesthetic.
- Important Note: The DS3 is a dedicated Hi-Fi DAC/amp—it does not include a built-in microphone, ensuring a pure, unadulterated audio path with no signal cross-contamination.
| Mounting Type | Freestanding |
| Interface | USB |
| Number of Channels | 7 |
| Audio Output Mode | Surround Sound, 3D Spatial Audio |
| Brand Name | Fosi Audio |
| Compatible Devices | phones, PCs, PS5, Switch |
| Unit Count | 1 Count |
| Manufacturer | Fosi Audio |
| Included Components | User Manual |
| Item Weight | 16 g |
| Model | DS3-Black |
| Brand | Fosi Audio |
| Interface Type | USB |
What's in the box
User Manual
Who Should Buy?
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Audiophiles
Ideal for audiophiles seeking high-resolution audio and superior sound quality from their digital devices and headphones.
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Gamers
Perfect for gamers on consoles or PCs wanting immersive audio experiences with spatial sound capabilities and balanced outputs.
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Portable Users
Great choice for users needing a compact, high-quality DAC to enhance audio on-the-go with various devices.
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Casual Listeners
Not suitable for casual users who prioritize convenience and do not need high-end audio output quality.
Product Description
Customer Questions & Answers
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Question:
What makes the Fosi Audio DS3 different from other DAC/Amp devices?
Answer: It integrates XMOS technology and offers hardware-level spatial audio for an immersive gaming experience. -
Question:
Is it compatible with multiple devices?
Answer: Yes, it works with phones, PCs, PS5, and Switch without the need for additional drivers. -
Question:
What kind of audio quality can I expect?
Answer: You can expect audiophile-grade audio with a signal-to-noise ratio of ≥122 dB and low distortion for superior sound quality.
Customer Reviews & Ratings
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5 Star
54%
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4 Star
14%
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3 Star
7%
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2 Star
9%
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1 Star
16%
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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PHP 8001
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Features & Benefits
- World’s first DAC/Amp with XMOS technology for enhanced audio streaming.
- Transforms multichannel game audio into expansive 7.1 surround sound.
- Delivers audiophile-grade performance with ≤122 dB SNR and <0.0003% THD.
- Plug-and-play convenience with no drivers needed for seamless setup.
- Built-in hardware spatial audio algorithm for pinpoint accuracy in gaming.
- Stylish and portable design at just 16 grams, available in multiple colors.
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