Fosi Audio K5 Pro Gaming DAC Headphone Amplifier

Description

Fosi Audio K5 Pro Gaming DAC Headphone Amplifier

The Fosi Audio K5 Pro Gaming DAC Headphone Amplifier features a high-performance audio circuit by Fosi Audio, offering USB C, optical, and coaxial inputs for seamless digital audio connection. Compatible with PS5, computers, and more

FAQ’s

1. What’s special about the DAC and amplification architecture in the K5 Pro?
   The K5 Pro combines a high-performance 24-bit DAC with a dedicated headphone amplifier using a Texas Instruments NE5532 op-amp, known for clean, low-noise analog performance. This design helps deliver a clearer, more detailed sound than typical onboard audio solutions, with low distortion (THD ≤ 0.003%) and a high signal-to-noise ratio (>110 dB), which audiophiles value for fidelity and dynamics.
2. What headphone impedances and power levels can the K5 Pro handle?
   The K5 Pro is capable of driving headphones from 16 Ω up to 300 Ω, with output power scaling to match impedance (e.g., ~1000 mW @16 Ω and ~80 mW @300 Ω). This broad range means it can power efficient IEMs and many higher-impedance over-ear headphones with decent dynamics and headroom, though very high-end planar models may still benefit from dedicated desktop amps.
3. How does the K5 Pro improve audio compared to typical PC or console sound outputs?
   By using a dedicated DAC stage and discrete analog controls (bass/treble/volume), the K5 Pro bypasses noisy onboard audio circuits and converts digital signals more transparently. This typically results in better clarity, wider soundstage, and reduced noise, letting subtle musical details and spatial cues, especially in games or high-res music come through more clearly.
4. What sample rates and formats does it support for high-resolution listening?
   Over USB-C, the DAC accepts digital audio up to 24-bit/96 kHz, while optical and coaxial inputs can handle up to 24-bit/192 kHz. Although it doesn’t natively support formats like native DSD or MQA decoding, its PCM performance at these rates provides a notable improvement over standard consumer audio.
5. Does the K5 Pro provide tonal control for fine-tuning sound?
   Yes unlike many basic DACs, the K5 Pro includes physical bass and treble knobs, allowing precise real-time EQ adjustment without software. This lets listeners tailor the sound to their headphones and music preferences, a feature often appreciated by audiophiles seeking nuanced control without coloration from DSP processing.

Features

• Born for Gaming. Perfect for your home gaming system.
• Suitable for PS5/Computers/PC/MAC/Nintendo Switch/active speakers, etc.
•  Adopts the Texas Instruments NE5532 op-amp chip
•  Converts USB Type C/Optical/Coaxial signals to 3.5MM AUX and RCA signals
•  Master volume/bass/treble control and input mode switch

PREMIUM 24-BIT DAC

Your computer, phone, tablet, TV and more can benefit from the K5 Pro 24-bit DAC and headphone amplifier, which is perfect for upgrading the audio between your computer and gaming system.

ADVANCE YOUR LISTENING

Perfect for providing high quality audio to speakers or headphones, the K5 Pro is a premium 24-bit DAC and headphone amplifier for your computer, phone, tablet, TV and more, The K5 Pro connects to your computer’s USB port or optical output without any software to download, making the K5 Pro quick and easy to set up, and will have you playing in seconds.

K5 PRO – BORN FOR GAMING​

The K5 Pro breathes new life to your games – even the ones you thought you knew best – by delivering more detail and immersion than ever before.

COMPATIBLE WITH ANYTHING​

Cross-platform compatibility allows you to enjoy enhanced audio on your favorite games, regardless of whether you play on a PS5, PS4, Xbox One, Nintendo Switch, or PC.

Specifications

• Compatibility PC, Mac, PS5, PS4, PS4 Pro,Nintendo Switch, Phone
• Input Type USB-C, Optical, Coaxial, 3.5 mm mic
• Output Type 5 mm headphone jack/line-out, RCA
• USB Sampling Rate Up to 24 bit/96 kHz
• Optical/Coaxial Sampling Rate Up to 24 bit/192 kHz
• Headphone Impedance  16-300 Ω
• Power Input DC 5V via USB-C
• THD ≤0.003%
• SNR ≥ 110dB
• Dimensions 4×3.7×1.2 in (112x95x30mm)
• Net Weight 55 lb (251g)