Audiophoria
Gustard X30 DAC

Flagship quad-ES9039SPRO streaming DAC with OCXO clocking, dual I²S, NOS mode, 10MHz clock input and discrete Class A output.

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€2690.00

Includes 20% VAT

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ColorSilver

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System Matching Guide

Optimal For:

Reference digital systems needing DAC and network streaming

Not Ideal For:

Systems requiring built-in headphone amplification

Power Consumption: medium

Complete It with the T8

Add the T8 as a dedicated streaming transport with isolated USB, I²S and AES/EBU outputs for the X30.

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Eversolo T8

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€1290.00

Highlights

DAC Architecture
4 × ESS ES9039SPRO in balanced configuration
Digital Filtering
3 PCM filters / 4 DSD filters / NOS mode
Hi-Res Playback
PCM 768kHz / DSD512
Clock System
OCXO + low-noise synthesizer + 10MHz input
Network Playback
Roon Bridge / AirPlay / UPnP / NAA / Spotify
Analogue Stage
Fully balanced discrete Class A LPF

GUSTARD X30 DELTA-SIGMA DAC

The Gustard X30 is a flagship network streaming DAC built around four ESS ES9039SPRO converters in a fully balanced architecture. Two DAC chips are assigned to each channel, supported by independent power regulation, proprietary digital processing and a discrete Class A analogue output stage.

QUAD ES9039SPRO ARCHITECTURE

Four ES9039SPRO DAC chips operate in a dual-mono configuration, with separate power and grounding arrangements for each converter. Gustard combines the ESS hardware with SHARC-based proprietary digital filtering and FPGA processing for clock management, DoP handling and PCM/DSD switching.

PROPRIETARY FILTERING & NOS MODE

The X30 provides three selectable PCM filters, four DSD filter settings and a dedicated NOS mode. This allows users to choose between Gustard's oversampling processing and non-oversampling operation depending on source material and system preference. High-resolution playback extends to PCM 768kHz and DSD512.

NETWORK STREAMING & DUAL I²S

Integrated Gigabit Ethernet supports Roon Bridge, AirPlay, UPnP, HQPlayer NAA and Spotify. Digital inputs include USB, AES/EBU, coaxial, optical and two HDMI-format I²S connections. One I²S input uses Gustard's fixed pinout, while the second offers four selectable pin configurations for broader transport compatibility.

OCXO CLOCKING & DISCRETE CLASS A OUTPUT

A built-in OCXO reference works with Gustard's low-noise clock synthesizer, while a 50Ω BNC input accepts an external 10MHz master clock. The analogue section uses a fully balanced discrete Class A LPF stage, with balanced XLR and RCA outputs. A relay-based analogue volume control provides variable output from 0dB to -90dB or fixed-level bypass operation.

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Professional reviews

soundnews
"96 / 100 The quintessential Delta-Sigma DAC to try in the years to come."

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