Elevate your desktop audio with the Fosi Audio SK02. Built with an ESS Sabre ES9038Q2M DAC chip and SGM8262 operational amplifiers, this compact desktop DAC and headphone amp delivers up to 1100mW of balanced output power, physical gain and input switching controls, and high-resolution decoding for headphones and IEMs.

Key Features

* ESS Sabre ES9038Q2M Decoding
Features the high-performance ES9038Q2M DAC chip, supporting high-resolution PCM audio up to 32-bit/384kHz and native DSD256 decoding for transparent imaging, low noise, and wide dynamic range.

* High Power Dual Headphone Outputs
Equipped with a standard 3.5mm single-ended jack (280mW @ 32 Ohms) and a true 4.4mm balanced output delivering up to 1100mW @ 32 Ohms, effortlessly driving demanding full-sized headphones and sensitive in-ear monitors.

* Multifunctional Central Control Knob
Features a prominent top-mounted rotary dial crafted for smooth volume adjustment, incorporating single-push button functions for power toggling and media play or pause control.

* Physical Hardware Switching
Includes dedicated top-panel buttons for instant switching between high and low gain modes as well as toggling between USB-C and optical digital inputs.

* Multi-Color LED Status Indicators
Clear LED indicator lights display current input selection, active gain mode, PCM or DSD audio format, and real-time sampling rate at a glance.

* USB-C and Optical Dual Digital Inputs
Offers driver-free plug-and-play USB-C connectivity alongside a 3.5mm optical digital combo input, allowing seamless integration with PCs, Macs, gaming consoles, and digital audio streamers.

What is in the Box

* 1 x Fosi Audio SK02 Desktop DAC Headphone Amplifier
* 1 x 2-in-1 USB-A/USB-C to USB-C Cable
* 1 x User Manual

Technical Specifications

* DAC Chipset: ESS Sabre ES9038Q2M
* Op-Amp Chipset: SGM8262 x 2
* Maximum Sampling Rate: PCM up to 32-bit/384kHz, Native DSD up to DSD256
* Output Power: 3.5mm Single-Ended: 280mW @ 32 Ohms, 4.4mm Balanced: 1100mW @ 32 Ohms
* Recommended Headphone Impedance: 16 Ohms to 300 Ohms
* Signal-to-Noise Ratio: 3.5mm: 120 dB, 4.4mm: 115 dB
* Frequency Response: 20Hz - 20kHz (±0.5 dB)
* Digital Inputs: USB Type-C, Optical Digital (3.5mm Combo)
* Outputs: 3.5mm Single-Ended Headphone Jack, 4.4mm Balanced Headphone Jack, 3.5mm AUX / Optical Line Out
* Dimensions: 121mm x 51mm x 43mm