Fosi Audio ZD3 + ZA3 Fully Balanced System inc DAC & Stereo Amplifier

Fosi Audio Balanced ZD3 DAC And ZA3 Hifi Amplifier

Overview

The Fosi Audio ZD3 + ZA3 System including DAC and stereo amplifier unites precision digital conversion with clean, expressive Class-D power — a pairing designed to bring genuine hi-fi performance to everyday spaces. Built around Fosi Audio’s fully balanced architecture, the ZD3 DAC and pre-amp handles audio with calm authority, revealing fine texture and natural tone from every source. Its ESS ES9039Q2M DAC delivers remarkable transparency and dynamics, supporting high-resolution PCM up to 768 kHz and DSD512.

Connectivity is equally refined. The ZD3 features USB-B, HDMI ARC, optical, coaxial, and Bluetooth 5.0, complemented by balanced XLR and RCA outputs for flexible integration. Its LME49720 op-amp stage, replaceable via DIP-8 sockets, invites fine-tuning to taste — from analytical precision to warmer musical voicing. A compact remote ensures smooth volume and input control, making daily operation effortless.

Partnered with the Fosi Audio ZA3 stereo amplifier, the combination transforms desktop or living-room systems with open, dynamic sound. Using dual TPA3255 Class-D modules and a 48 V 5 A power supply, the ZA3 amplifier delivers 155 watts × 2 into 4 ohms in stereo mode.  The amp delivers clean, stable power with low distortion, expansive detail, and a natural midrange presence. The result is an experience that feels fluid and engaging — controlled at any volume, yet full of life.

Beautifully built from aluminium alloy with understated visual harmony, the Fosi ZD3 + ZA3 System reflects Fosi Audio’s modern approach to accessible audiophile performance. Compact, balanced, and transparent, it’s a complete digital-to-analogue solution that makes high-fidelity listening simple, elegant, and emotionally rewarding.

Key Features

• Fully balanced design ensures cleaner signal flow and exceptional channel separation for natural, open sound

• ESS ES9039Q2M DAC brings lifelike resolution and low distortion, revealing subtle detail in every recording

• High-resolution playback supports PCM up to 32-bit / 768 kHz and native DSD512 for pure digital performance

• Versatile connectivity includes USB-B, HDMI ARC, optical, coaxial, and Bluetooth 5.0 with aptX HD support

• Balanced XLR and RCA outputs allow flexible pairing with amplifiers, powered speakers, or studio setups

• Three interchangeable LME49720 op-amps let you shape the tonal character to match your listening taste

• Hybrid digital-analogue volume control offers precise, transparent level adjustment across all inputs

• Machined aluminium chassis delivers durability, quiet operation, and timeless, understated design

• Built with premium capacitors and components to maintain clarity, warmth, and long-term reliability

• Perfectly matched system integration between the Fosi ZD3 DAC and ZA3 amplifier for a cohesive hi-fi experience

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