ES 9068 AS audio DAC Both USB and SPDIF support MQA decoding function, and support MQA-CD; 2x advanced ES9068AS D/A chips, fully optimized to THD+N as low as -122dB, far exceeding the official specifications; 4x High-End dual op amp OPA1612A and a large number of audio grade components; USB using XMOS XU-216, a true 32bit USB solution, supports DoP and native DSD, PCM supports up to 768kHz, and DSD supports up to DSD512; Using ultra-low phase noise and optimized clock system to achieve ultra-low clock jitter; All input ports support DSD(Except BT), coaxial and optical support DoP64; Users can update the system and USB firmware through the USB interface; Built-in low-noise power processing, while improving power efficiency and lower power consumption; Specially designed discrete component linear stabilized power supply and multiple low-noise stabilized power supplies to provide low-noise power supply for analog circuits; Qualcomm’s latest Bluetooth chip supports LDAC 24bit/96kHz, APTX/HD, SBC, AAC; High-quality gold-plated input and output connection terminals; Japan Audio Association (JAS) Hi-Res certification; Equipped with remote control and full-function remote control.