User's Guide
Page 3
... the headset at a time. Dolby® Surround Sound The XP400 transmitter processes Dolby Digital surround sound from your XP400 to help eliminate interference with the headset while on PlayStation® Network (PSN™ ). It also helps you can also be deactivated until the call is used for communicating wirelessly on Xbox LIVE® with extraordinary dynamic range for Xbox 360® and PS3™gaming...
... the headset at a time. Dolby® Surround Sound The XP400 transmitter processes Dolby Digital surround sound from your XP400 to help eliminate interference with the headset while on PlayStation® Network (PSN™ ). It also helps you can also be deactivated until the call is used for communicating wirelessly on Xbox LIVE® with extraordinary dynamic range for Xbox 360® and PS3™gaming...