SMSL D300 Uses Rohm's flagship DAC chip BD34301EKV, and fully optimize its performance to make its THD+N as low as -116dB; S.M.S.L D300 has Japan Audio Association (JAS) Hi-Res certification USB uses XMOS XU-208, a real 32bit USB solution, PCM supports up to 768kHz, and DSD supports up to DSD512; Qualcomm's latest Bluetooth chip supports SBC, AAC, aptX, aptX HD, LDAC The new CK-03 clock processing circuit, in order to achieve ultra-low clock jitter, makes the clock jitter of fiber coaxial as excellent as USB Built-in shielding, low-noise power supply processing, while improving power efficiency and lower power consumption; The specially designed discrete component stabilized power supply and multiple low-noise stabilized power supplies provide low-noise power supply for analog circuits Equipped with remote control and full-function remote control; The display panel of SMSL D300 Uses tempered glass, higher light transmittance, longer service life; Newly designed high-quality knobs; High-quality gold-plated input and output connection terminals; High-resolution color fully-fitted display screen and screen-off function