[🎶SG] Singxer SDA-6 (Advanced) AK4499 DAC

(>‿◠)✌ SAM AUDIO🎵 OFFICIAL SINGXER DEALER - 1 Year Local Warranty & Aftersales Support📦 Receive in 3 Days - Free Ninjavan Delivery - Or top up $25 for Express Delivery (2hrs)💬 Responsive reply - We strive to reply within 5 minsContact Us:📞 WhatsApp/Call us @ 83329084 https://wa.me/6583329084📧 Email us @ sales@samaudiosg.com🗺️ Visit Us @ Sim Lim Sqr #01-56, S188504 - Demo units available (Lvl 1 Beside Escalator) --Singxer SDA-6 (SDA6, SDA 6) Advanced DAC DSD512 AK4499 XMOS XU208 DAC DecoderSDA-6 is a high-performance DAC developed by our Singxer team. It uses XMOS’ latest xCORE-200 series chip XU208 as the USB Audio solution and uses AKM’s third-generation flagship DAC: AK4499 as the main chip for digital-to-analog conversion, AK4118 As a digital audio input receiving chip, STM32 is used as the control core of the whole machine, and Xilinx's large-scale FPGA is used as the clock system and digital audio stream processing.--Descriptions:> Self-developed adaptive clock system technology, built-in 4 independent ultra-low jitter audio crystal oscillators, equipped with a femtosecond-level local clock system for the USB part, the standard version of the crystal oscillator is AS-318B, and the high version is CCHD- 957.> High-performance digital-analog hybrid phase-locked loop, excellent clock synchronization recovery technology, can greatly filter the secondary PLL of external digital input jitter.> It adopts 4 channels of fully balanced and full DC discrete circuit output; among them, the high-end version adopts non-loop negative feedback output.> Large-scale FPGA for digital audio signal processing, self-developed second-generation algorithm, original multi-input channel isolation technology, to ensure the purity of each input signal.> Built-in 40 watt custom O-type transformer, output 4 independent power supply windings, up to 20 groups of distributed voltage stabilized circuits; among them, the reference power supply for AK4499 is the newly developed super low noise (as low as 0.5uV RMS) power supply system.--Specifications:> Output impedance: 22 ohms (RCA single-ended) / 45 ohms (XLR balanced)> Frequency response: 20-20kHz +/-0.1dB> S/N ratio: 131dB (20-22kHz A weighting)> Distortion characteristics:> THD+N (1kHz, 0dBFS) 0.00012% (-118db) at fs=44.1Khz (PCM, 20Hz-22kHz A weighting))> Dynamic response (1kHz, -60dBFS) 131dB (20Hz-22kHz A weighting)> Left and right channel separation >130dB @1kHz