Fosi Audio ZD3 | Fully Balanced Desktop DAC

The Fosi Audio ZD3 Delivers Refined DAC Performance With Effortless Usability, Offering Superior Audio Quality Tailored For Pure Listening Enjoyment
- Fully balanced flagship desktop DAC preamp
- Built with high-performance ESS ES9039Q2M chip
- Swappable op-amp design
- Offers comprehensive connectivity options
- Lossless wireless streaming

Flagship Chipset
The ZD3 is an audiophile-grade balanced stereo DAC meticulously developed by Fosi Audio. The XMOS XU316 chip provides precise digital signal processing, paired with the ESS 9039Q2M decoding chip to ensure ultimate audio detail and precision.
The Qualcomm QCC 3031 chip enhances connectivity and signal stability, while the LME49720 operational amplifier greatly improves audio clarity and dynamic range. Whether for music or movies, it delivers an immersive high-fidelity audio experience to users.

Balanced Circuit Design
The fully discrete balanced circuit design effectively reduces electronic noise and signal crosstalk, ensuring pure and clear audio output. Professional-grade balanced XLR output support further enhances signal stability and audio fidelity, making it suitable for demanding audio applications.
Multiple Inputs + Outputs
The ZD3 supports USB, HDMI (ARC), coaxial, optical, and Bluetooth inputs, easily accommodating both traditional and modern digital sources. It also offers RCA and XLR outputs, making it an ideal choice for connecting a variety of audio equipment, providing exceptional flexibility and broad applicability.

Additional Features
Swappable Op-Amp Design
Easily replaceable DIP8 dual discrete op-amps, meeting your pursuit of a personalized audio experience, such as LME49720, NE5532, MUSES02, SS3602.
Bypass Mode
The signal bypasses the internal preamp section, providing a fixed output level for direct signal transmission.
Trigger In/Out
Enables synchronized on/off across your audio setup, automating system control for seamless operation.
Front Panel OLED Display
Offers clear visibility, allowing users to easily monitor device status and settings in real-time.
| Device Features | |
|---|---|
DAC |
Yes |
Digital Audio Inputs |
USB, HDMI (ARC), Coaxial, Optical, Bluetooth, USB
|
Analog Audio Outputs |
XLR, RCA
|
SNR/THD |
SNR: 126dB
THD+N: <0.00008% Dynamic Range: 126dB Noise Floor: ≤2μV Frequency Response: 20Hz-20kHz (±0.1dB) |
| DAC | |
DAC Chipset |
XMOS XU316 + ESS 9039Q2M + QCC3031 + LME49720
|
| Streamer | |
Supported Formats |
Max Sampling Rate
USB: PCM 32bit/768kHz; DSD512 OPT/COAX: PCM 24bit/192kHz HDMI: PCM 24bit/192kHz Bluetooth: PCM 24bit/48kHz USB Compatible Devices: Windows 7, 8, 8.1, 10, 11, Mac OS X, Linux (some require drivers) Bluetooth Version: 5.0 Connection Distance: ≥13m Formats: SBC, AAC, APTX, APTX HD |
| In the Box | |
Included |
12V power adapter
Infrared remote control USB-A to USB-B cable 3.5mm trigger cable User manual |
