--- product_id: 803629985 title: "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 Balanced for PC/Phone/ PS5/ Switch Black" brand: "fosi audio" price: "140815CFA" currency: XOF in_stock: true category: "Fosi Audio" url: https://www.desertcart.sn/products/803629985-fosi-audio-ds3-usb-c-dac-hifi-amp-dongle-portable store_origin: SN region: Senegal --- # 1.6 GHz dual-core XMOS processor 220mW balanced output 7.1 spatial audio 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 Balanced for PC/Phone/ PS5/ Switch Black **Brand:** fosi audio **Price:** 140815CFA **Availability:** ✅ In Stock ## Summary > 🎶 Elevate every note—portable audiophile power in your pocket! ## Quick Answers - **What is this?** 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 Balanced for PC/Phone/ PS5/ Switch Black by fosi audio - **How much does it cost?** 140815CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/803629985-fosi-audio-ds3-usb-c-dac-hifi-amp-dongle-portable) ## Best For - fosi audio enthusiasts ## Why This Product - Trusted fosi audio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **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. ## Overview 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. ## Description Buy 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 Balanced for PC/Phone/ PS5/ Switch Black: Amplifiers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - 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. ## Technical Specifications | Specification | Value | |---------------|-------| | 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 | ## Product Details - **Audio Output Mode:** Surround Sound, 3D Spatial Audio - **Brand:** Fosi Audio - **Interface Type:** USB - **Mounting Type:** Freestanding - **Number of Channels:** 7 ## Images ![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 Balanced for PC/Phone/ PS5/ Switch Black - Image 1](https://m.media-amazon.com/images/I/61oEwSHf6DL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: What accessories are included with the DS3?** A: 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. **Q: How do I switch gaming sound effects on the DS3?** A: 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. **Q: Can I change digital filters on the DS3?** A: 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. **Q: How do I change UAC modes on the DS3?** A: 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. **Q: How do I toggle high/low gain on the DS3?** A: 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. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/803629985-fosi-audio-ds3-usb-c-dac-hifi-amp-dongle-portable](https://www.desertcart.sn/products/803629985-fosi-audio-ds3-usb-c-dac-hifi-amp-dongle-portable) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-07-20*