^ It's a 4.0 I think @Tjj226 Angel , just front and rear channels (no center/sub), bass is filtered off later in the Klipsch. It should be possible to set "Quadraphonic" in the "Audio Channels" option if you "Configure" the onboard device in "Sound>Playback". I haven't actually done this myself for a 4.0 output from the onboard sound since Windows7 though.