--- product_id: 611044029 title: "Fosi Audio SK02 DAC Headphone Amplifier & Preamp, Desktop Audio DAC with USB-C and Optical Input, 4.4mm Balanced & 3.5mm Headphone Output, Digital-to-Analog Converter for PC and Home Audio System" brand: "fosi audio" price: "¥34557" currency: JPY in_stock: true category: "Fosi Audio" url: https://www.desertcart.jp/products/611044029-fosi-audio-sk02-dac-headphone-amplifier-and-preamp-desktop-audio store_origin: JP region: Japan --- # DSD256 & PCM 32bit/384kHz decoding Supports 16-300Ω headphones/IEMs 1100mW balanced output power Fosi Audio SK02 DAC Headphone Amplifier & Preamp, Desktop Audio DAC with USB-C and Optical Input, 4.4mm Balanced & 3.5mm Headphone Output, Digital-to-Analog Converter for PC and Home Audio System **Brand:** fosi audio **Price:** ¥34557 **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your audio game—hear what you’ve been missing! ## Quick Answers - **What is this?** Fosi Audio SK02 DAC Headphone Amplifier & Preamp, Desktop Audio DAC with USB-C and Optical Input, 4.4mm Balanced & 3.5mm Headphone Output, Digital-to-Analog Converter for PC and Home Audio System by fosi audio - **How much does it cost?** ¥34557 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/611044029-fosi-audio-sk02-dac-headphone-amplifier-and-preamp-desktop-audio) ## 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 - • **Versatile Connectivity:** USB-C and optical inputs seamlessly integrate with PCs, TVs, and more. - • **Built to Last & Impress:** CNC-machined aluminum alloy chassis combines durability with sleek, modern style. - • **Audiophile-Grade Clarity:** ESS SABRE ES9038Q2M DAC delivers ultra-low noise and 120dB SNR for pristine sound. - • **Plug-and-Play Simplicity:** No drivers needed—just connect and control with an intuitive multifunction knob. - • **Powerhouse in a Compact Frame:** Mighty 1100mW balanced output drives any headphone with ease. ## Overview The Fosi Audio SK02 is a desktop DAC and headphone amplifier featuring high-resolution DSD256 and PCM 32bit/384kHz decoding, a powerful 1100mW balanced output, and ESS SABRE ES9038Q2M DAC chip. It supports a wide range of headphones (16-300Ω), offers USB-C and optical inputs, and requires no drivers for instant plug-and-play use. Crafted from CNC-machined aluminum alloy, it combines durability with a sleek design, making it a versatile centerpiece for any professional or home audio setup. ## Description Buy Fosi Audio SK02 DAC Headphone Amplifier & Preamp, Desktop Audio DAC with USB-C and Optical Input, 4.4mm Balanced & 3.5mm Headphone Output, Digital-to-Analog Converter for PC and Home Audio System: Amplifiers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Compact Yet Powerful: The SK02 employs a minimalist and stylish design language. Despite its small size, it boasts mighty features. It supports DSD256 and PCM 32bit/384kHz high-resolution decoding, along with 3.5mm single-ended and 4.4mm balanced headphone outputs. Its robust power can easily drive wide range of headphones and IEMs with an impedance range of 16-300 ohms - Stunning Performance: It features a high-end ESS SABRE ES9038Q2M DAC and SGM8262 op-amps. Its excellent circuit design ensures superior parameters with a SNR as high as 120dB, a low noise floor of only 3.7μV, and an incredibly low THD of 0.001%. The 4.4mm balanced output power reaches an impressive 1100mW at 32 ohms. The exceptional high-resolution capability and pure sound quality make every listening experience an extraordinary sensory journey - User-Friendly Design: The SK02 requires no drivers and offers plug-and-play convenience. It integrates a big multi-functional control knob, allowing easy access to power on/off, play/pause, and volume adjustments. The unit features quick-switch buttons for high/low gain and input modes. Additionally, its colorful indicator lights enable effortless identification of the current working mode and the song's sampling rate - Remarkable Versatility: Supports USB and optical input, widely applicable for decoding with computers, laptops, CD players, TVs, and projectors. Not only can it function as a headphone amplifier, but it can also serve as a preamp, pairing with active speakers or an amplifier like Fosi Audio V3, ZA3, TB10D amp and passive speakers to form a desktop listening or home audio system - Exquisite and Durable: The SK02 is crafted from a single piece of aluminum alloy using CNC machining and a delicate sandblasting process. This not only gives it an exquisite appearance but also ensures lasting durability ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CRB676R5 | | Audio Output Mode | Single-Ended, Balanced | | Best Sellers Rank | #42,084 in Electronics ( See Top 100 in Electronics ) #75 in Headphone Amps | | Brand Name | Fosi Audio | | Compatible Devices | Laptop, Computer, CD player, TV, Projector | | Customer Reviews | 4.6 4.6 out of 5 stars (372) | | Interface | Optical, USB-C | | Item Weight | 350 g | | Manufacturer | Fosi Audio | | Material Type | Aluminum Alloy | | Model | SK02 | | Mounting Type | Tabletop/Desktop | | Number of Channels | 2 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pins | 35 | | Part Number | SK02 | | Unit Count | 1 Count | | Warranty Description | 24 Month Manufacturer | ## Product Details - **Brand:** Fosi Audio - **Interface Type:** Optical, USB-C - **Mounting Type:** Tabletop/Desktop - **Number of Channels:** 2 - **Number of Pins:** 35 ## Images ![Fosi Audio SK02 DAC Headphone Amplifier & Preamp, Desktop Audio DAC with USB-C and Optical Input, 4.4mm Balanced & 3.5mm Headphone Output, Digital-to-Analog Converter for PC and Home Audio System - Image 1](https://m.media-amazon.com/images/I/514vFpzU+fL.jpg) ## Frequently Bought Together - Fosi Audio SK02 DAC Amp Headphone Amplifier Desktop USB C to AUX Digital to Analog Audio Converter Adapter Preamp Optical to 3.5mm 4.4mm Balanced Combo for Home Audio System - Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp for Electric Guitar Instrument with 3.5mm 6.35mm Jacks --- ## 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.jp/products/611044029-fosi-audio-sk02-dac-headphone-amplifier-and-preamp-desktop-audio](https://www.desertcart.jp/products/611044029-fosi-audio-sk02-dac-headphone-amplifier-and-preamp-desktop-audio) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-24*