6. Update the playback settings to play audio on audio hardware.
By default, Adobe Premiere Pro previews audio through the DV device to external speakers only. If you change the audio playback to Play Audio on Audio Hardware, Adobe Premiere Pro plays audio through the computer's hardware and speakers.
To update the playback settings to play audio on audio hardware:
1. Choose Project > Project Settings> General.
2. Click Playback Settings.
3. Choose Play Audio on Audio Hardware.
4. Click OK to close the Project Settings dialog box.