LTB has delivered a great sounding set of 5.1 surround sound headphones in the MG51-USB USB True 5.1 Headphones. This feat is magnified by the fact that these headphones require no sound card or external power to operate, they use only one USB port for everything. Sound quality with the MG51-USB USB True 5.1 Headphones is great and they are perfect for gaming and watching movies on your notebook PC. If your computer doesn’t have, a sound card built-in that can provide 5.1 surround sound, the LTB MG51-USB USB True 5.1 Headphones are a fantastic solution to your surround sound desires.