Singxer
Singxer SU-6
Best digital interface for serious audio enthusiasts seeking sonic improvements.
Elevate your audio setup with the Singxer SU-6, a premium USB digital interface engineered for unparalleled sound fidelity. It integrates advanced XMOS xCORE-200 and Xilinx PGA chipsets, complemented by ultra-precise femtosecond crystal oscillators for minimal jitter and maximum clarity. Offering a versatile range of digital outputs including S/PDIF, AES/EBU, RJ45, and HDMI, the SU-6 ensures a clean and stable signal path. Its robust power management, featuring a 7.5F super capacitor, guarantees exceptional audio reproduction, making it an ideal choice for discerning audiophiles and professionals.
$750.00
Owner Satisfaction
4.7
/ 5
Category Rank
41
/ 442
#41 in Audio Cards & Adapters
Price vs Category Average
-34%
Below average
USB input power supply
4.55.1
/ V-V
Who it's for
- Audiophiles seeking a noticeable upgrade in their digital audio playback
- Listeners prioritizing precise sound imaging and a stable sonic presentation
- Users with diverse DACs or complex audio setups needing flexible connectivity
Who should skip it
- Minimalists or those preferring a simpler, more streamlined audio chain
- Budget-conscious consumers or those questioning the value of incremental upgrades
- Owners of premium DACs who might find the upgrade less impactful
Performance breakdown
Jitter Suppression
Femtosecond oscillators deliver near-perfect timing for an incredibly stable digital signal.
Signal Purity
Advanced isolation and super capacitor power ensure a noise-free audio path.
Format Versatility
Handles high-resolution PCM and DSD512 files with effortless technical precision.
Connectivity Options
Comprehensive output selection integrates seamlessly into any high-end audiophile system.
Build Integrity
Robust chassis design reflects professional-grade construction and long-term reliability.
System Compatibility
Broad driver support ensures smooth operation across all major desktop platforms.
Key Specs
USB input power supply
4.5V-5.1V
DC power input
7.5V-9V (3A)
S/PDIF output level
550mV (75 ohms)
AES/EBU output level
3.3V (110 ohms)
Word Clock output level
TTL (75 ohms)
PCM sample rates
44.1KHz to 384KHz
DSD formats
DSD64 to DSD512
Bit width
up to 32 bit over I2S
Features
- Advanced XMOS xCORE-200 and Xilinx PGA chipset for superior processing
- Femtosecond crystal oscillators for ultra-low jitter clocking
- Fully isolated design to prevent interference and noise
- Optimized power system with 7.5F super capacitor for clean power
- Supports high-resolution PCM and DSD audio formats
- Multiple digital outputs: S/PDIF, AES/EBU, RJ45, HDMI
- Flexible I2S and clock configuration options
- Broad compatibility with Windows, macOS, Linux, and Android
What customers say
Customers consistently praise the Singxer SU-6 for its remarkable impact on audio quality. Many reviewers highlight a significant upgrade in sound clarity, detail retrieval, and overall musicality, often describing a "blacker background" and improved soundstage. Its robust build quality also receives frequent commendation, reinforcing a sense of premium craftsmanship. Users widely agree that this device offers exceptional value, delivering performance that rivals far more expensive digital to digital converters. This device is celebrated for elevating listening experiences, making it a highly recommended component for serious audio enthusiasts seeking sonic improvements.
Know before you buy
The SU-6 acts as a high-performance USB digital interface that converts USB audio signals from your computer into various digital formats like S/PDIF, AES/EBU, and I2S for your DAC. It is designed to significantly reduce jitter and improve signal integrity compared to a standard USB connection.
While the unit uses USB for data, it is designed to be powered by an external 7.5V-9V DC power supply. This ensures the internal circuits, including the super capacitor-based power section, receive clean, stable power independent of the noisy USB bus.
The I2S output via HDMI is highly flexible, but there is no universal industry standard for I2S pinouts. You should verify that your DAC's I2S input pin configuration is compatible with the SU-6 settings before connecting.
These femtosecond crystal oscillators provide an ultra-low jitter clock source for the digital signal. By minimizing timing errors, they allow your DAC to reconstruct the audio signal more accurately, resulting in better clarity and soundstage depth.
Yes, the SU-6 supports PCM up to 384KHz and DSD up to DSD512. Please note that these maximum resolutions are primarily achieved through the I2S output, while S/PDIF and AES/EBU connections are limited to 24-bit/192KHz PCM and DSD64 via DoP.
Yes, it is compatible with both operating systems. Windows users will need to install the dedicated XMOS USB driver to enable full functionality and high-resolution support, while Mac users can typically use it plug-and-play.
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