LTB MG-USB51 true 5.1 surround sound USB gaming, VoIP headset for PC built-in microphone with a dynamic plug and play interface, the new MG-USB51 headphone system from LTB provides quick connectivity for Movie and gaming enthusiasts. With support for full HRTF 3D and EAX 2.0, the MG-USB51 offers a great way to get True 5.1 sound from today's notebook computers that most often can only produce 2.0 audio.