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COMPONENT HD AV CABLE
https://download.microsoft.com/download/b/c/e/bce76f3f-db51-4c98-b79d-b3d21e90ccc1/ComponentHDAVCable_NA_0508.pdf#:~:text=To%20connect%20your%20console%20to%20digital%20audio%3A%201Connect,end%20of%20the%20HD%20AV%20cable%20AV%20connector.
Xbox 360 and Digital Optical Audio - Microsoft Community
https://answers.microsoft.com/en-us/xbox/forum/all/xbox-360-and-digital-optical-audio/f844f8c7-6160-4557-96b9-da046c4c85ea
Set the Xbox to output Dolby Digital 5.1 ; Connect the Xbox to the TV via HDMI ; Set the TV to output PCM ; Connect the TV to the sound bar via Toslink ; I believe this should avoid the whole system sound overlay problem by leaving the conversion up to the TV.
Xbox 360 HDMI - Connecting Headsets for Game Audio ...
https://support.turtlebeach.com/hc/en-us/articles/223083827-Xbox-360-HDMI-Connecting-Headsets-for-Game-Audio
If your TV does not have a digital audio output, you will need to obtain the Xbox 360 Audio Adapter Cable to work alongside the HDMI connection. The HDMI connection will send digital video and digital audio to your TV, while the Xbox 360 Audio Adapter will give you the optical digital audio jack you need to connect from the Xbox 360 to your Ear Force headset.
Amazon.com: xbox 360 audio adapter
https://www.amazon.com/xbox-360-audio-adapter/s?k=xbox+360+audio+adapter
Xbox 360 Dolby Digital With Wma Pro | Audio-Digital.net
https://www.audio-digital.net/x-pages/xbox-360-dolby-digital-with-wma-pro.html
Regarding WMA, here's a cut & paste from xbox.com: Dolby Digital with WMA Pro: This setting will allow a connected Microsoft Windows Media Center PC running Media Center Extender to pass audio from WMA Pro–encoded media through the Xbox 360 console and on to a WMA Pro–compatible audio surround receiver.
Xbox 360 E Console and Headsets - Installation Info ...
https://support.turtlebeach.com/hc/en-us/articles/223093267-Xbox-360-E-Console-and-Headsets-Installation-Info
Back view of Xbox 360 E: As you can see above, the trapezoidal A/V (Audio/Visual) port from older Xbox 360 models has been removed and replaced with a single 3.5 mm output jack. Unlike previous Xbox 360 models, the Xbox 360 E Console does not have a S/PDIF (Digital Optical) Output, which is necessary for connecting Turtle Beach Surround Sound products.
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