Nobsound Assembled HiFi PCM5102 DAC Decoder I2S Player 32bit 384K Beyond ES9023 (GFB620) Note: BCK and DATA marked inverse! When using plus make BCK as DATA , DATA as BCK Can setting two FLT filter mode (NOM normal mode or LOW Delay mode)-Need switch by hand! support I2S/left-justified signal directly input (can switch by hand) Directly output is 2.1V RMS audio voltage ,High frequency is pure ,Low frequency is satiation ,Beyond ES9023 The maximum support 32 Bit 384K Sampling rate