GUSTARD DAC-X30 Network Streaming DAC Audio Decoder (Black) with Four ES9039SPRO Chips & Fuse

GUSTARD DAC-X30 Network Streaming DAC Audio Decoder (Black) with Four ES9039SPRO Chips & Fuse

Features:
- X30 is a network streaming DAC.
- 4 ES9039SPRO chips: 4pcs of ES9039SPRO for decoding. Each channel uses two decoder chips to form a fully balanced architecture. Fully independent power supply and independent grounding for optimal performance.
- ES9311Q multiple independent power supplies ensure abundant energy.
- DSP autonomous digital filtering to reduce aliasing noise: This solution is a high-performance digital filter solution developed on the Analog Device SHARC digital audio dedicated DSP platform. It is equipped with a self-developed high-performance anti-aliasing noise algorithm, and the key digital signal processing links use high-precision floating-point 64-bit operations. It reduces in-band aliasing noise in the digital domain by upscaling and shaping the original digital audio stream signal to achieve better sound performance.
- Digital filtering: 3 kinds of PCM and 4 kinds of DSD. NOS mode is supported.
- FPGA chip: It constructs its own digital integrated circuits with logic functions, and has exclusive technologies such as clock management, 2nd PLL digital shaping, DOP demodulation and PCM/DSD depop switch, etc., laying a solid foundation for excellent sound quality.
- K2 synthesizer synchronous clock implantation technology: local OCXO clock or external 10M clock synthesizes the master clock and then synchronously implants and decodes. The front-end clock is abandoned, and the DAC only uses a local OCXO clock or an external 10M clock. Because the impact of front-end clock performance on the decoding process is greatly reduced, the system's dependence on the performance of front-end audio source equipment is reduced.
- With a built-in OCXO, it supports 10M clock input.
- Bridge and network streaming: supports for ROON Bridge, Airplay and UPnP NAA.
- Its USB uses the USB audio special chip XU216. It supports for PCM768K, DSD512 and MQA full decoding.
- Dual IIS-H inputs and adjustable IIS line sequence.
- Passive analog preamp: Supports R2R relay lossless volume adjustment. It can also skip the preamp and supports output directly. Direct connection to active monitor speakers or amplifiers. A remote control makes it easy and fast to adjust.
- Multi-channel IV active parallel analog LPF circuit is designed in a discrete class A design. The IV conversion circuit and parallel circuit fully meet the high-current requirements of ES9039SPRO.
- Fully balanced: Without any conversion, it can achieve a complete 4-channel output.
- Supports remote control: -90dB to 0dB.
- Analog LPF circuit: This circuit is a discrete class A circuit that is specially debugged for ES9039SPRO chips. Each discrete device only needs to consider its own performance, so for this device alone, there are many fewer application limitations. So the performance of a single component can be fully utilized. The use of discrete devices makes it more flexible to use, and the parameters of each stage can be freely adjusted to achieve the best operating state. It is also more developable and relatively controllable for the distorted parts, which can bring more variable sound styles to different decoding architectures.
- Bridge system developed in collaboration with CELMUSPEROS: 1. Hardware is designed based on music playing. It removes all hardware that is not related to music playing and restores the authenticity of music. 2. Based on CelWare3.x music playing system, I/O software and hardware combination is designed for music playback. The hardware design is matched with a Linux kernel that is deeply optimized for I/O to achieve dynamic music playing and hardware priority scheduling, minimize audio data forwarding delay and jitter, and enhance audio playback capabilities. 3. The software control playing application supports the shutdown of the bridge system to maximize the efficiency of the system music playback.
- Independent voltage regulation and multi-stage filtering, left and right separation, and no interference with each other.
- Two toroidal transformers for quality speakers supply power to digital and analog sections separately.

Specifications:
Digital Input:
- LAN supports protocols: For Roon, Airplay, upnp, NAA and Spotify (there is a configuration web page that can configure the protocol to open and close. Can be upgraded online with one click)
- LAN speed: 100/1000Mbps
- 10M clock (BNC): Input impedance is 50 Ohms, 0dBm-20dBm, CMOS square wave 0.2V-3.3V, and 0.5V-3.3V for sine wave

Analog Output:
- Frequency response: 20-20kHz/+-0.2dB
- Dynamic range: >130dB
- Signal-to-noise ratio: >129dB
- Channel crosstalk: -139dB at 10kHz
- THD+N: ≤ 0.0001% at 1kHz
- IMD: ≈0.001% at -1dbfs
- RCA output level: 2.5Vrms (Volume fixed)
- RCA output impedance: 100Ω
- XLR output level: 5.1Vrms (Volume fixed)
- XLR output impedance: 100Ω
- XLR interface definition: American standard (pin 1 to GND, pin 2 to + end and pin 3 to - end)

Other Parameters:
- AC power supply: AC115V/230V 50/60Hz
- Total power consumption: <30W
- Fuse: A Hifi fuse has been installed
- Dimensions (without feet): 430mm x 300mm x 80mm/16.9" x 11.8" x 3.1" (LxWxH)
- Dimensions (with feet): 430mm x 300mm x 92mm/16.9" x 11.8" x 3.6" (LxWxH)

Package Included:
- 1 x DAC
- 1 x Remote control

Packaging Details:
- Weight: 10kg

Download drivers for Windows 10/11 system:
https://pan.baidu.com/s/1lZiuLWN7sr4oKK99a_lLcQ?pwd=6666

Download the driver for Windows 7 system:
https://pan.baidu.com/s/1d2epKryqQ3i3iMhEl25nqQ Password: 6666

Download foobar2000_V1.6.12:
https://pan.baidu.com/s/1-7Q7-5RQcDvn-vepuzEbCQ?pwd=6666