https://alexnld.com/product/fiio-q3-ak4462-chip-thx-balanced-usb-dac-amplifier-amp-xmos-xuf208-pcm768k-dsd512-decoding-2-5-3-5-4-4mm-output-for-androi-phone/?hilite="HIFI MP3 Audio Decoder XMOS U8 AK4490 AMP NE5532 USB DAC Board Headphone Output Support for PCM 192kHz"