GUSTARD manufactures high-performance high-fidelity audio equipment, specializing in fully discrete DACs, network streamers, digital interfaces, and preamplifiers for audiophiles.
GUUSTARD is a renowned high-end audio manufacturer known for designing and engineering reference-quality digital audio components. Based in Shenzhen, the brand specializes in high-fidelity Digital-to-Analog Converters (DACs), network streamers, digital-to-digital converters (DDC), and master clocks. GUSTARD is particularly celebrated among audiophiles for its implementation of discrete R-2R ladder networks, proprietary clock synthesis technologies, and robust power supply designs that ensure low noise and exceptional dynamic range.
The company’s product portfolio includes the popular X-series and R-series DACs, which support advanced high-resolution formats such as native DSD and high-sample-rate PCM via USB and I2S interfaces. GUSTARD devices often feature configurable I2S pinouts to ensure compatibility with a wide range of digital transports. The brand also focuses on providing comprehensive driver support for Windows systems, while maintaining plug-and-play compatibility for macOS and Linux users.
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Drivers for Windows operating systems (Windows 7 and later) can be downloaded directly from the official GUSTARD website. macOS and Linux systems typically support the devices via plug-and-play without requiring additional drivers.
Most GUSTARD units feature a voltage selector switch (e.g., 115V/230V) on the rear panel. Ensure both switches (if applicable) are set to the correct voltage for your region before powering on the device to prevent damage to the internal transformer.
IIS(G) refers to the fixed GUSTARD pinout standard for the I2S interface. IIS(M) allows for adjustable pinout configurations, enabling compatibility with digital sources from other manufacturers that use different I2S wiring schemes.
Connect the R-series or X-series streamer to your local network via Ethernet. Once booted, access the device's configuration page via a web browser (e.g., http://R30.local or the device IP) to perform online firmware upgrades and manage streaming protocols.
Install the GUSTARD USB Audio driver and the ASIO Proxy component for Foobar2000. In preferences, select 'foo_dsd_asio' as the output device and configure the ASIO driver mode to 'ASIO Native' to support DSD playback directly.