Audiophoria
Fosi Audio ZH3 DAC & Headphone Amplifier

AK4493SEQ DAC, balanced headphone amplifier and preamp with 2.57W output, XLR/RCA outputs and PCM768/DSD512 support.

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€169.00

Includes 20% VAT

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System Matching Guide

Optimal For:

Headphones, active speakers and compact separates systems

Not Ideal For:

Systems requiring built-in streaming or speaker outputs

Power Consumption: little

Pair with the Fosi Audio I5

The 28Ī© planar-magnetic I5 is a natural partner for the ZH3 and connects directly to its balanced 4.4mm headphone output.

In StockFosi
Fosi Audio I5 open-back planar magnetic headphones front view

Fosi Audio I5 Offline Version Headphones

Headphones

€549.00

Highlights

AKM DAC Platform
AK4493SEQ + XMOS XU316
Balanced Output
2570mW Ɨ 2 at 32Ī©
PCM768 / DSD512
High-resolution USB playback
Dual Headphone Out
4.4mm balanced + 6.35mm
XLR + RCA Preamp
Balanced and single-ended outputs
EQ & Filters
Bass/treble control + 6 filters

FOSI AUDIO ZH3 DAC & HEADPHONE AMPLIFIER

The Fosi Audio ZH3 is a compact DAC, balanced headphone amplifier and preamplifier designed as a flexible control centre for desktop and Hi-Fi systems. It combines digital and analogue inputs with powerful headphone amplification, balanced XLR outputs and volume-controlled preamp functionality.

AK4493SEQ DAC & XMOS XU316 USB

Digital conversion is based on the AKM AK4493SEQ DAC, paired with an XMOS XU316 USB interface. USB playback supports PCM up to 32-bit/768kHz and native DSD512, while optical and coaxial inputs support PCM up to 24-bit/192kHz.

FULLY BALANCED HEADPHONE AMPLIFICATION

The ZH3 uses a fully balanced amplification circuit with four OPA1612 operational amplifiers. Its 4.4mm balanced headphone output delivers up to 2570mW per channel into 32Ī©, while the 6.35mm single-ended output provides up to 640mW per channel into 32Ī©. Three gain levels allow matching with headphones and IEMs across the specified 16–300Ī© range.

DAC, PREAMP OR HEADPHONE AMPLIFIER

USB-C, coaxial, optical and stereo RCA inputs allow the ZH3 to accept both digital and analogue sources. Balanced XLR and RCA outputs provide straightforward integration with active loudspeakers or external power amplifiers, while the analogue RCA input also allows the ZH3 to operate as a dedicated headphone amplifier.

EQ, FILTERS & SYSTEM CONTROL

Bass and treble adjustment, three gain settings and six digital filters provide additional control, while the tone-control circuit can be bypassed when not required. The 1.5-inch circular LCD provides clear operating information, and 12V trigger input and output allow coordinated power control with compatible components.

COMPACT DESKTOP SYSTEM HUB

With separate headphone, line and preamp operating options, the ZH3 can form the centre of a compact headphone system, active-speaker setup or a system using separate power amplifiers. USB Audio Class 1.0 and 2.0 modes further extend compatibility with computers and supported gaming devices.

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Professional reviews

Audio Science Review
"The ZH3 is an incredible offering with ultra low distortion yet a ton of power."

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