$69.90 Excl. VAT
Guaranteed secure & safe checkout.
Easily pay within 30 days after you have received your package.
Read more
The Fosi Audio Q4 is a versatile and compact Digital-to-Analog Converter (DAC) and headphone amplifier designed to significantly improve the sound quality from your PC, laptop, or gaming console. It replaces your device's basic internal sound card, delivering a cleaner, more powerful, and immersive audio experience for gaming, movies, and music.
24-Bit/192kHz Resolution: The Q4 supports high-resolution audio files, providing crystalline detail and a wider dynamic range compared to standard onboard audio.
Independent Bass & Treble Control: Unlike many entry-level DACs, the Q4 features physical knobs to adjust the bass and treble to your liking. Whether you want thunderous explosions in games or crisp vocals in podcasts, you have full control.
Dedicated Headphone Amp: The built-in amplifier stage can easily drive headphones ranging from 16Ω to 200Ω, ensuring plenty of volume and headroom for most consumer and gaming headsets.
Clear Analog Output: With an impressive Signal-to-Noise Ratio (SNR ≥ 105dB), it provides a silent background, allowing the smallest details in your music or games to shine through.
Triple Digital Inputs: Includes USB, Optical, and Coaxial inputs, making it compatible with almost any digital source, including Windows/Mac PCs, PS5, and TVs.
Dual Output Modes: Features a 3.5mm headphone jack on the front and RCA outputs on the back for connecting to active speakers or an external power amplifier.
| Component | Specification |
| Input Options | USB, Optical, Coaxial |
| Output Options | RCA, 3.5mm Headphone Jack |
| Decoding Rate | Up to 24-Bit / 192kHz |
| Headphone Impedance | 16Ω - 200Ω |
| Frequency Response | 20Hz - 20kHz (±3dB) |
| Chassis Material | CNC Aluminum Alloy |
The Fosi Audio Q4 is the perfect "first step" into the world of Hi-Fi. It is small enough to fit on any desk, powered conveniently by USB, and requires no complex software installation. If you want better directional audio in FPS games or more "soul" in your music streaming, the Q4 is the most reliable and affordable solution.
The Fosi Audio Q4 acts as an external sound processor that bypasses the often noisy and low-quality internal sound card of your PC or laptop. By converting digital signals to analog externally via USB, it eliminates "coil whine" and electronic interference. This results in a much cleaner background, clearer vocals, and more impactful audio for your headphones or powered speakers, making it an essential upgrade for any desktop setup.
Yes, the Q4 is highly versatile. It features multiple digital inputs, including USB, Optical, and Coaxial. This allows it to connect seamlessly to game consoles, TVs, and CD players. By using the Optical connection, you can enjoy high-definition game audio on your PS5 or Xbox, providing better directional cues and an immersive soundstage that standard controller outputs simply cannot match.
Absolutely. One of the Q4's most popular features is its independent Bass and Treble tone controls. These allow you to fine-tune the audio output in real-time to suit your preference or the specific characteristics of your headphones. Whether you want to add more "thump" to action movies or increase the "sparkle" in acoustic music, the Q4 gives you the flexibility to sculpt your sound without needing complex software.
Yes, the Q4 is a true 2-in-1 desktop hub. It features a high-power 3.5mm headphone jack on the front for private listening and RCA line-outs on the rear for connecting to active (powered) bookshelf speakers. This allows you to manage your entire desktop audio system from a single compact device, easily switching between your speakers and headphones as needed.
The Fosi Audio Q4 is a true plug-and-play device. It is UAC 2.0 compliant, meaning it is automatically recognized by Windows, macOS, and Linux systems as soon as you plug in the USB cable. There is no need for manual driver installations or complicated software setups, making it an ideal choice for users who want an immediate and hassle-free audio upgrade.
