WEBect Settings>Control Panel>Hardware and. oundGo to Sound>Playback tabChoose “Logitec. “Set Default,” and then click “O. ”Select the Recording Tab.Choose “Logitec. USB Heads. t H390.”Click “Set Default,” and then c. ck “OK.” Mac® OS XOpen System Preferences and select “Sou. .”Select the Input tab, and then choose ...