SMSL D400PRO AK4191AK4499EX MQA-CD Bluetooth Audio DAC present

Support MQA decoding, support MQA-CD; New 3rd generation XMOS XU-316, PCM support up to 32bit/768kHz, DSD support to DSD512; Flagship DAC chip 1 AK4191+ 1 AK4499EX, tap all the potential of the chip; Dual mono design, one AK4499EX per channel, distortion as low as a staggering 0.00006% (-124dB); Use 5 high-end dual op amps and a large number of audiophile components; Adopt 2nd PLL to eliminate JITTER during SPDIF transmission; The new self-developed CK-03 clock processing circuit greatly reduces clock jitter; Support DOP independent display function, accurately determine the current decoding format; USB, optical fiber, coaxial , AES, I2S support DSD transmission, coaxial and optical fiber support DOP64; Using tempered glass full lamination color IPS display. Built-in low-noise power processing, while improving power efficiency, lower power consumption; Combined with multiple low-noise regulated power supplies, it provides a stable, reliable, efficient, and low-noise power supply system. Qualcomm high-end Bluetooth chip, support LDAC (24bit/96kHz), APTX/HD, SBC, AAC; High quality all-aluminum alloy shell, support high quality gold plated input and output connection terminals; Japan Audio Association (JAS) Hi-Res certification; Equipped with remote control and full-featured remote control.