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Official product information provided by Gustard
The following product descriptions, specifications and images are provided by the manufacturer.
The Gustard R30 is a flagship fully-discrete R2R network streaming DAC built around 27-bit resistor ladder architecture with an integrated OCXO oven-controlled crystal oscillator. It combines USB, I²S, coaxial, AES/EBU, optical and network streaming inputs with balanced XLR and single-ended RCA outputs for reference-grade digital-to-analog conversion.
Why it stands out
Fully Discrete 27-Bit R2R Architecture
Every signal-path component is an individual surface-mount resistor, capacitor and op-amp hand-selected by Gustard engineers — no integrated DAC chip. The 27-bit R2R ladder delivers natural, non-oversampling character with exceptional midrange purity.
Built-In OCXO Oven-Controlled Clock
An ultra-stable clock source maintained at constant temperature inside a sealed chamber reduces jitter below 5ps RMS across all sample rates, even during long playback sessions where ambient heat affects standard oscillators.
Native DSD1024 & PCM 1536kHz
Supports native DSD up to DSD1024 and PCM up to 1536kHz via I²S, with DSD512 and 768kHz over USB. Three selectable digital filter modes — Linear Sharp, Minimum Slow and Super Slow — let you tailor the presentation.
Network Streaming & Full Connectivity
Built-in network streamer supports Roon Ready, AirPlay, DLNA and UPnP. USB-B, I²S (HDMI), AES/EBU, coaxial and optical inputs cover every digital source, while balanced XLR (5.1Vrms) and RCA (2.5Vrms) outputs connect to any amplifier or preamp.
Best for
- High-end two-channel systems seeking reference R2R decoding
- Listeners who prefer natural, non-oversampling DAC character
- Network streaming setups with Roon, AirPlay or DLNA
- Systems with balanced XLR or single-ended RCA amplification
Not ideal for
- Budget-conscious buyers — this is a flagship-level investment
- Listeners who need built-in headphone amplification
- Systems requiring MQA decoding (not supported)
Specifications
| Architecture | 27-bit fully discrete R2R ladder |
| Clock | Built-in OCXO oven-controlled crystal oscillator |
| PCM | Up to 1536kHz (I²S) / 768kHz (USB), 16-32bit |
| DSD | Up to DSD1024 (I²S) / DSD512 (USB), native & DoP |
| Digital Inputs | USB-B, I²S (HDMI), AES/EBU, Coaxial, Optical, LAN (RJ45) |
| Analog Outputs | Balanced XLR (5.1Vrms), Single-ended RCA (2.5Vrms) |
| Dynamic Range | >123dB |
| SNR | >121dB |
| THD+N | ≤0.00145% @ 1kHz |
| Frequency Response | 20Hz-20kHz / ±0.2dB |
| Streaming | Roon Ready, AirPlay, DLNA, UPnP |
| Power | AC 115V/230V 50/60Hz, <35W |
| Dimensions | W430 × D300 × H80mm (including feet) |
| Weight | 10kg (packaged) |
FAQ
Q: Does the R30 have a built-in headphone amp?
A: No, the R30 is a pure DAC/preamp. Pair it with a dedicated headphone amplifier or integrated amplifier.
Q: Can I use an external word clock?
A: The R30 has a built-in OCXO clock. External clock input depends on specific configuration — refer to the user manual.
Q: Is Roon Ready included?
A: Yes, the R30 is Roon Ready certified for seamless network streaming.
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Shipping, warranty and returns
Shipping origin and charges
Orders ship from Suzhou, mainland China.
Shipping charges and any taxes collected at checkout are shown before payment. See our Shipping & Tax Policy for supported destinations, weight-based rates and import charges.
EMiUZEK commercial warranty
EMiUZEK provides a commercial warranty: DACs, amplifiers, IEMs and dongles: 1 year; cables and adapters: 3 months. This warranty is provided by Yangzhong Jindun Digital Technology Co., Ltd. Manufacturer warranties, where available, are separate and subject to the relevant brand's terms. This commercial warranty does not limit mandatory statutory rights or legal remedies.
Returns
Request an eligible return within 30 days of delivery. Eligible non-defective items may be unused or opened but in like-new condition. Contact us before sending a return. Conditions, exclusions and costs are set out in the Return Policy.