Fosi Audio K5 Pro Stereo Gaming DAC Headphone Amplifier

The K5 Pro is equipped with a high-performance audio circuit developed by Fosi Audio, featuring USB-C, optical, and coaxial inputs for smooth digital audio integration. It’s fully compatible with devices like PS5, computers, and more for versatile connectivity.

Fosi Audio USB DAC Headphone Amp Combo

The upgraded version of the Fosi Audio Q4

New DAC Headphone Amp

The RCA output allows connection to an amplifier or powered speakers, making it ideal for desktop audio setups.

Exclusive Design with Independent Mic Input

Converts USB Type-C, optical, and coaxial inputs into 3.5mm AUX and RCA outputs with minimal distortion for high-quality audio playback.

Gaming Starts Here

Experience lifelike sound with rich detail and clarity in every note.

Stereo DAC Headphone Amplifier

The K5 Pro is capable of driving headphones from 16 Ohms to 300 Ohms, delivering low distortion and excellent dynamic range.

Desktop DAC and Headphone Amplifier

The knobs are well-crafted and rotate smoothly, offering a satisfying and precise user experience.

Mini Stereo Gaming DAC

Excellent value headphone amp/DAC featuring bass and treble controls for personalized sound tuning.

Fosi Audio K5 Pro Headphone DAC Amp Combo – Born for Gaming
An upgraded version of the Q4, the K5 Pro introduces microphone functionality and enhanced internals for richer detail and superior audio performance. It serves as a next-generation external sound card, perfect for home gaming systems and compatible with PS5, PC, Mac, and active speakers.

Versatile USB DAC and Output Options
The K5 Pro converts USB Type-C, optical, and coaxial signals into 3.5mm AUX and RCA outputs with low distortion and wide dynamic range. Its unique 2-in-1 USB Type-C port supports both charging and audio input, making it compatible with phones (when connected via USB-A/C). RCA output connects to powered speakers or amplifiers, and the 3.5mm AUX/mic combo supports headphones from 16Ω to 300Ω.

Clean, Powerful Sound with NE5532 Op-Amp
Using a Texas Instruments NE5532 op-amp, the K5 Pro is optimized for low noise and clarity. It delivers noticeably improved sound for immersive listening and gaming. A combined power/volume knob simplifies operation—press and hold to power on.

Specifications

• Output Power: 1000mw@16Ω, 500mw@32Ω, 300mw@64Ω, 150mw@128Ω, 80mw@300Ω
• Headphone Impedance: 16Ω - 300Ω
• Input Type: USB, Optical, Coaxial, 3.5mm Microphone
• Output Type: 3.5mm Headphone, RCA,
• USB Sampling Rate: 16bit/44.1KHz to 24bit/96KHz
• Optical/Coaxial Sampling Rate: 16bit/44.1KHz to 24bit/192KHz

• THD: ＜0.003%
• SNR: ≥110dB
• Device Dimension: 4.4*3.7*1.2 inch (112*95*30mm)
• Net Weight: 0.55lb (251g)
• Power Input Interface: USB Type-C
• Power Supply: 5V