[🎶SG] SINGXER SDA-6 PRO 2 (SDA6 PRO 2) Dual AK4499EX Digital to Analog Convertor DAC

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SINGXER SDA-6 PRO 2

> New-Generation AK4191+Dual AK4499EX DAC chipset.
> XMOS XU316 USB Processor.
> Decodes 32bit/768kHz PCM and Native DSD512.

> Optimized Ultra-Low Noise Power Supply System.
> Digital Pre-Amp Function.
> Two-Level Gain Modes.

> OLED Display Screen.
> External 10M Clock Input.
> Self-Developed Adaptive Clock System.

> High-performance digital-analogue Hybrid Phase-Locked Loop.
> 4-Way Fully Balanced Class A Discrete Output Circuit.
> Large FPGA For Signal Processing.

> Built-in 40-watt Customized O-Type Transformer.
> 115V and 230V AC Voltage Support With Internal Toggle Switch.

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Descriptions:

New-Generation AKM DAC Chipset:-
Enjoy amazing sound signal decoding performance with a rich, velvety AKM in-house sound. The Singxer SDA6 Pro 2 comes equipped with a new-gen AK4191 + Dual AK4499EX DAC chipset. This dual DAC arrangement delivers quality output by providing a natural tone, exquisite details, ultra-clear background, and low distortion performance. The output has amazing dynamics and high SNR performance.

Upgraded XMOS USB Processor Chipset:-
Singxer has upgraded the USB processor chip on the SDA6 Pro 2. It now comes with an XMOS XU316 16-core 3rd generation processor that enables smooth sound signal processing supporting up to 32-bit/76kHz PCM and native DSD512 audio signals. The SDA 6 Pro 2 is a true flagship-level performer in terms of USB Processing and overall performance.

Specially Developed Large-Scale FPGA Architecture:-
In order to achieve smooth digital audio signal processing, SDA-6 Pro 2 features a specially optimized FPGA architecture. It adopts self-developed third-gen algorithms with original multi-input channel isolation technology to ensure the purity of each input mode. Singxer SDA-6 Pro 2 features a high-performance digital-analog hybrid Phase-Locked Loop, that provides excellent clock synchronization recovery technology. It significantly improves the performance by filtering external digital input jitter secondary PLL.

Self-Developed Low-Jitter Clock Architecture:-
Singxer SDA-6 Pro 2 features a self-developed adaptive clock system technology. The DAC has a built-in 4-way independent ultra-low jitter crystal that is configured using a femtosecond clock system for the USB part. The clock architecture is embedded with Singxer’s self-developed thermostat technology to maintain a constant temperature. The SDA-6 Pro 2 also supports external 10M clock input for the USB interface while the other interfaces use WCK input.

Consistent Performance With Premium Power Supply:-
Singxer has a built-in 40-watt customized O-type transformer. The output of the four independent power supply winds up to 20 groups of distributed voltage regulator lines. Both the digital and the analog sections get a proper supply of power ensuring consistent performance in any given scenario. 

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Specifications:

PCM: 44.1kHz,48kHz,88.2kHz,96kHz, 176.4KHz,192KHz,352.8KHz,384KHz,705.6KHz,768KHz
[USB and I2S support all sample rates, S/PDIF supports up to 192KHz].
DSD: 2.8 MHz (DSD64) - DoP, native, 5.6 MHz (DSD128) - DoP,native, 11.2 MHz (DSD256) - DoP,native, 22.5792 MHz (DSD512) - native
[USB and I2S support all DSD formats, S/PDIF and AES/EBU support DSD64 DOP mode].
Bitwidth: up to 32 bit over USB and I2S up to 24 bit over S/PDIF

Electrical standards for each interface:
1, USB input socket is a standard USB-B type female socket, USB power supply range 4.5V-5.1V;
2, SPDIF interface input standard S/PDIF signal, input impedance is 75 ohms, AES input impedance is 110 ohms;
3, the power input is 115V/230V AC, and the internal power is supplied by a 40-watt customized transformer;
4, I2S input is LVDS level in the form of HDMI interface, compatible with most front-end devices;

Analog output performance:
Output level (0dBFS):
PCM: RCA single-ended output for 2.6V RMS, XLR balanced output for 4.6V RMS
DSD: 2.6V RMS for RCA single-ended outputs, 4.6V RMS for XLR balanced outputs
Output Impedance: 22 ohms (RCA single-ended) / 45 ohms (XLR balanced)
Frequency Response: 20-20kHz +/-0.1dB
Signal-to-noise ratio: 131dB (20-22kHz A-weighted)
Distortion Characteristics:
THD+N (1kHz, 0dBFS) 0.00012% (-118db) at fs=44.1Khz (PCM, 20Hz-22kHz A-weighted))
Dynamic Response (1kHz, -60dBFS) 131dB (20Hz-22kHz A-weighted)
Left/Right Channel Separation >130dB @1kHz

Size: 262MM*220MM*46MM
Weight: 2.7KG

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