Multistreaming Playback for Realtek* Audio

5. Select the playback location for Windows Media Player:
 For playback to back panel audio, choose DirectSound: Realtek HDA Primary Output
 For playback to front panel audio, choose DirectSound: Realtek HD Audio 2
nd
Output
6. Click OK and close all Windows Media Player properties.
7. Open Winamp. Click Options > Preferences.