The guitar to USB interface cable is plug-and-play. There is no need any external power or any other hardware. With this cable、 you can plug in your favorite guitar and turn your PC or Mac computer into a guitar amp and recording system. The stereo Headphone output lets you jam with your computer and can also be used formonitoring with active monitor speakers. <br><br>- Easy Plug and Play Installation<br>- USB bus powered-Requires no external power<br>- Stereo Headphone output lets you jam with your computer and can also be used for<br>monitoring with active monitor speakers<br>- Plug in your favorite guitar and turn your PC or Mac computer into a guitar amp and recording system without the need for any other hardware<br>- High-quality components and exceptionally rugged construction ensure long life<br>- Variable-speed files playback function for MP3、 WAV、 AIFF audio files' perfect for<br>easy learning and practicing<br>- Audio Quality: 24-bit、 44.1/48kHz<br>- System Requirements: MacOS 8.5、 8.6、 9.x、 OS X、 Windows XP SP2、 Windows Vista<br><br /> The guitar to USB interface cable is plug-and-play. There is no need any external power or any other hardware. With this cable、 you can plug in your favorite guitar and turn your PC or Mac computer into a guitar amp and recording system. The stereo Headphone output lets you jam with your computer and can also be used formonitoring with active monitor speakers. <br /><br />- Easy Plug and Play Installation<br />- USB bus powered-Requires no external power<br />- Stereo Headphone output lets you jam with your computer and can also be used for<br />monitoring with active monitor speakers<br />- Plug in your favorite guitar and turn your PC or Mac computer into a guitar amp and recording system without the need for any other hardware<br />- High-quality components and exceptionally rugged construction ensure long life<br />- Variable-speed files playback function for MP3、 WAV、 AIFF audio files' perfect for<br />easy learning and practicing<br />- Audio Quality: 24-bit、 44.1/48kHz<br />- System Requirements: MacOS 8.5、 8.6、 9.x、 OS X、 Windows XP SP2、 Windows Vista<br />                                                                                                                                Dimensions: 3.78 in x 1.97 in x 0.94 in<br />Weight: 2.61 oz