FiiO

FIIO USB DAC driver download: Click here

FIIO Control Android version download link: Click here

PEQ control website: http://fiiocontrol.fiio.com/

Note: 

1. Only windows and Macos system support web control; (Anrdoid or ios system does not support)
2. Please use Chrome, Edge, Opera and other browsers which support Web HID API to control properly.