A Sound Adapter that lets you plug in, play and enjoy better audio performance with USB convenience Ideal for desktop, notebook and netbook computers, the Manhattan Hi-Speed USB 3D 7. 1 Sound Adapter instantly creates microphone-in and audio-out ports through any USB port. Easily connect headsets, microphones and speakers equipped with 3. 5 mm cables that are too short to reach ports in awkward or inconvenient locations comfortably. With plug-and-play and hot-swap capabilities, it easily replaces inoperative sound cards, bypasses damaged audio ports and improves access without special drivers or software. A built-in Class-B power amplifier utilizes USB bus power, eliminating the need for external energy supplies or additional cables. Support for 3D audio and virtual 7. 1 surround sound and built-in sound effects with a 10-band equalizer deliver rich, high-quality experiences with familiar USB convenience and functionality.