Fosi Audio ZD3 Desktop DAC Preamp — Fully Balanced D/A with ES9039Q2M, HDMI ARC, XLR/RCA Outputs

Elevate your desktop audio with Fosi Audio ZD3

The Fosi Audio ZD3 is a flagship desktop DAC preamp built to deliver refined, revealing sound from a compact chassis. At its heart is the ES9039Q2M, a high-performance DAC that contributes depth and clarity to music and TV audio alike.

Its premium chipset combines XMOS XU316, ES9039Q2M, QCC3031, and LME49720 to support high-resolution formats and broad dynamic range. Users can enjoy DSD512 and PCM up to 32-bit/768 kHz, enabling detailed transients, airy highs, and a solid, grounded low end.

Versatile connectivity for modern setups

The ZD3 offers a wide range of inputs and outputs to fit diverse devices. You can connect via Bluetooth, USB, Optical, Coax, and HDMI ARC, while outputs include balanced XLR and traditional RCA. This flexibility makes it easy to tailor an audio chain to your environment.

• Bluetooth for quick streaming from mobile devices
• USB for computer playback or external DAC compatibility
• Optical and Coax digital paths for dependable, low-jitter signals
• HDMI ARC input to pass TV audio through the same DAC stage
• Balanced XLR and RCA outputs for compatible amplifiers

Ease of use and practical features

A 1.5-inch OLED display keeps essential information in view, while a bundled remote simplifies everyday control. A preamp bypass switch lets you quickly compare with your power amp, and 12V trigger I/O enables synchronized power on/off with other gear.

• Readable OLED display for level, input, and sampling rate
• Remote control for convenient, on-the-seat adjustments
• Preamp bypass to test direct signal paths
• 12V trigger in/out for coordinated power management

Design that fits with ZA3 and beyond

With a design language aligned to Fosi’s ZA3 amplifier, the ZD3 brings a compact, elegant look and audiophile-grade components. This cohesive pairing delivers a robust, scalable home audio setup, especially when paired with the ZA3 amplifier.

Whether you’re building a desktop listening station, upgrading a TV’s audio path, or integrating a compact stereo system, the ZD3 offers a versatile, human-friendly path to better sound—without overstating what you can expect. It’s a technical upgrade that empowers your existing setup to reveal more detail and space in your favorite tracks.