AD712: operational amplifier with very low offset voltage and offset voltage drift, and low noise characteristics. Resolution of a good, detailed sound.
OPA1652: operational amplifier has a very low distortion characteristics, low noise, excellent dynamic performance
BUF634: as a current driver that provides 250mA output current, excellent audio features.
Built-in 32 G memory, Max 200G (external TF card extension) by TYPE C interface to connect the hard disk or U disk, direct reading external storage device to play music files, no longer subject to memory limitations.
Type C interface, faster and more comprehensive, transmission speed can be up to 50 MB/s, a collection of charging, data transfer and USB DAC.
i5 can be connected via USB cable from the computer to become a high quality USB DAC, up to 384kHz / 32Bit, providing you with sound effects.
i5 supports USB AUDIO function, can be used directly as the source through the type C interface output to the USB port of the decoder. It also has a coaxial output function, through the type C interface to connect the DSD decoder coaxial interface implementation of DOP play.
Power rating: 190mW+190mW（@32Ω）
Frequency Response: 20-20kHz(±0.2dB,Fs=192kHz) 5-50kHz(±1dB,Fs=192kHz)