Soncoz LA-QXD1 Balanced DAC + RCA XLR cables For Sale
Description
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- Dimensions:149.3 mm(W) 87 mm(D) 37 mm(H)
- Weight:500 g
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Color:Â Deep Black Space Gray Moon SIlver
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Power input:Â DC 5 V @ 1 A
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Power consumption:Â < 4 W
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DAC Chip ESS ES9038Q2M
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Architecture:Â Symmetrical
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Signal input:Â USB-B Toslink RCA Coaxial
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Digital output:Â RCA Coaxial
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Line out:Â XLR RCA
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RCA:Â Coaxial input
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Frequency response: 20Hz~20KHz XLR RCA (±0.18 dB)
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Dynamic range(DNR):Â A-W XLR > 122 dB; RCA > 122dB
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Signal to noise ratio(SNR):Â A-W XLR > 121 dB; RCA > 121 dBÂ
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THD+N:Â 1 kHz XLR RCA < 0.00014% (-117 dB)
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Crosstalk:Â 1 kHz XLR > 133 dB; RCA > 130 dB
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Output voltage:Â XLR 4.0 V; RCA 2.0 V
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Output impedance: XLR 200 Ω; RCA 100 Ω
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Noise floor modulation: 4.3 μVrms
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1x 0.25M SKW BG04 OCC RCA Cable ( more details here  ）Â1×0.35M SKW BG09 OCC XLR Cable ( more details here  ）Â
- Total Harmonic Distortion + Noise（THD+N）: <-117 dB@1kHz
- Dynamic range : >122 dB
- Signal To Noise Ratio（SNR）: >122 dB
- Frequency response : 20~20kHz(±0.15 dB)
- Channel Crosstalk : >141 dB
- Output impedance：200 Ω
- Output voltage : 4.0 Vrms @ 0dBFS
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- Total Harmonic Distortion + Noise（THD+N）: <-116 dB@1kHz
- Dynamic range : >121 dB
- Signal To Noise Ratio (SNR) : >120 dB
- Frequency response : 20~20kHz(±0.15 dB)
- Channel Crosstalk : >139 dB
- Output impedance：100 Ω
- Output voltage : 2.0 Vrms @ 0dBFS
- Noise Level（Noise floor modulation）: 4.3 μVrms
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- USB input adopts a high-performance XU208 XMOS transceiver chip.
- Ultra-low jitter crystal oscillator provides a reference clock to all outputs.
- USB Supports 32-bit 768kHz PCM DSD512（Native）
- Compatible with Windows iOS Android Linux Volumio
- Thesycon Custom USB Drivers
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- Supports up to 192kHz 24bit digital audio input.
- An Ultra-low jitter crystal oscillator transmits the master clock signal to the DAC.
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- Supports up to 24-bit 192kHz digital audio input
- Supports USB to Coaxial S PDIF output.
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Ultra-low jitter crystal oscillator for pure digital signal output.
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Power Input：DC 5V⎓1 (or more Amperes).
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Users can use any brand charger or adapter.
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Different power sources have almost no effect on the performance of the device.
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Total power consumption is less than 4W. Â
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The front panel is simple and user-friendly. Straight forward and easy operation of the different functions.
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The upper right corner is the function indication area and includes four back-lit function buttons.
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The four back-lit function buttons indicate and provide quick access to the following functions: input sound source selection, volume level adjustment, filter mode selection, and mute function.Â
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PWR & USB lights are on.
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USB port input，Filter mode is APOD.
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USB to digital coaxial is on, Volume (-64dB)
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Quickly press the leftmost setting button once to switch between the three input sources (USB COAX TOS).Â
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Press and hold for 2 seconds, the mute button on the right to switch the filter mode. Each press changes the filter mode only once, press and hold the mute button again for 2 seconds to switch to the next filter mode, and so on.
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For the current filter mode, please refer to 《LA-QXD1 DAC filter mode setting truth table》
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Filter modes cycling switch order (APOD-BRIC-FAM- FAL-HYER-SLM-SLL-APOD)
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Apodizing fast roll-off filter — APOD
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Brick wall filter — BRIC
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Minimum phase fast roll-off filter — FAM
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Linear phase fast roll-off filter — FAL
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Hybrid fast roll-off filter — HYER
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The default volume is -64dB, the volume adjustment step is 0.5dB Step, and the maximum volume is 0dB.
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Press and hold the volume + – buttons to adjust the volume quickly. When changing the volume, the light above the corresponding button will start repeatedly blinking. When the volume reaches the minimum or maximum level, the indicator light will stop flashing.
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Quickly press the mute button to turn on the mute function, the light above the PWR button will start glowing in a breathing effect to indicate that the device is mute. To turn the mute off, quickly press the mute button again.Â
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Analog balanced XLR and single-ended RCA outputs can be connected at the same time，The The two interfaces can be simultaneously connected to their corresponding power amplifier devices (amplifier power amplifier).
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LA-QXD1 is a high-performance DAC that can also be used as an excellent Pre-amp.
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The DAC’s internal modulator, filters, and volume control cannot be bypassed. These functions are determined by the DAC chip.
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LA-QXD1 can be easily used in pure DAC mode，to do so, simply raise the volume to the maximum.
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The Volume adjustment and mute functions are only valid for the analog outputs. They are not valid for digital output.
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During DSD playback, the DSD audio signal is sent directly to the DSD decoding chip without any prior conversion.
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Custom USB driver，supports up PCM768KHz DSD512（Native），Drivers are not required for the device s functionality. If you use the operating system s native USB Audio 2.0 Drivers (UAC2), Some formats and high sample rates may not be available for playback.
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Do not use the USB ports of the PC to supply power to the DAC. The USB port of the PC has an average current of around 500mA, which is not enough to support the normal functions of the LA-QXD1.Â
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The power consumption of the LA-QXD1 device is very low. The low energy consumption combined with the CNC machined aluminum body results in a high heat dissipation efficiency.
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Keeping in mind that if used in conjunction with other devices, the overall heat dissipation may not necessarily be the best. Multiple ventilation holes were implemented on the underside of the LA-QXD1, to provide excellent cooling and ensures thermal stability. This thermal design guarantees the highest performance levels under a variety of harsh environmental conditions.
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Power input uses USB Type-C 5V@1A，Practical and convenient
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The Analog op-amp power supply utilizes multi-level voltage regulation.
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The power for the DAC’s digital section is supplied by an ultra-low noise LDO.
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The DAC s analog power supply uses ES9311Q ultra-low noise LDO and multi-level voltage regulator.Â
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The intuitive interaction of the LA-QXD1 is applied to simple and straightforward buttons and LEDs. By default, it is a plug-and-play device without any complicated settings.
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The indicator lights follow the color pattern of the indicator lights of the SONCOZ brand series of products. The warm, non-glaring, glowing orange light perfectly blends into the ambiance and relaxing atmosphere of enjoying music at night.
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The mute breathing effect, along with the fade-in fade-out effect (The gradual return of the volume to its previous level after pressing unmute), greatly enhance the user experience of the LA-QXD1.Â
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Measured ParametersÂ
XLR Balanced Output Distortion+Noise (THD+N)Â
ÂSingle-Ended Distortion+Noise (THD+N)Â
ÂDynamic Range
 SNR (Signal To Noise Ratio)
 Noise (Noise Floor Modulation)
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Frequency Response
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ÂHigh-Performance Chips
LA-QXD1 utilizes individually selected chips that each offer excellent performance to ensure the outstanding performance of the entire device.
ÂMinimal Interaction, Warm Color Indicators Â
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Ultra-Low Noise HiFi Power Supply System
The LA-QXD1 power supply system utilizes a unique multi-level voltage regulator design to ensure a clean & pure power supply that guarantees the performance of the entire device.
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Thermal designÂ
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MiscellaneousÂ
 The LA-QXD1 is a multifunctional DAC, in addition to the features and settings mentioned earlier, there are some precautions:
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 Volume and Mute
The volume can be adjusted in one of two ways, by a pressing and holding the volume button to change the volume in big steps quickly, or by a quick press for fine-grained volume adjustments:
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Filter Modes
7 Filter modes are available for PCM：
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Input source selectionÂ
3 Types of source input available，Press the settings button to easily switch between them:Â
ÂThe Default Power-ON State：
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 Use & Operation
Front Panel
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Power supply and power consumption
Universal USB TYPE-C port for power input:Â Â
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Digital output —— Gold-plated RCA Digital Coaxial Output:
Digital input——Gold-plated RCA For the Coaxial Input
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Supports up to 24-bit 192kHz digital audio input
An Ultra-low jitter crystal oscillator transmits the master clock signal to the DACCustom Audio Grade High-Speed Fiber Optic connectors for the Toslink input
Digital Input—— Gold-Plated USB-BÂ
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ÂGold-plated Single-ended Analog RCA (Red Black) Output:Â
You also could order our Soncoz LA-QXD1 from our amazon store:
https: www.amazon.com dp B08NJK4FK7Unboxing
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Review:
I really like to have balanced outputs in a DAC given the fact that they connect to a PC and hence, it is very easy to wind up with ground loops. Usually balanced output comes at a cost of higher price as it is considered a premium feature. Not the case here. You get XLR output and importantly, with superbly low noise and distortion for a really budget price. The nice case completes the picture.
Given all of this, I am happy to recommend the Soncoz LA-QXD1 DAC.  Amir Majidimehr (Amirm), Audio Science Review  Read the full review here
ÂÂÂGolden Ratio Dimensions
High Price To Performance Ratio, Several Colors
All metal minimalist design, CNC machined from a solid block of aluminum.Â
Interfaces & Functions
Gold-plated Balanced Analog XLR Output:
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—SpecificationsSplit—
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