1. Quick start guide, Windows USB DAC driver, FiiO Control download link of Q11

Quick start guide download link:  Click here

FiiO USB DAC driver download: Click here

(Please choose v5.50.0 version)

FiiO Control Android version download link: Click here

(The Q11 could not be controlled via the iOS version FiiO Control APP. But after setting the Q11 in Android device, the settings will be saved to use it in other devices still.)