1. 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. 2. Work directly with your PC or Mac computer. 3. Stereo Headphone output lets you jam with your computer and can also be used for monitoring with active monitor speakers. 4. Variable-speed file playback function for MP3, WAV, AIFF audio files. Perfect for easy learning and practicing. 5. Powered via USB. No additional power supply required. 6. High-quality components and exceptionally rugged construction ensure long life 7. The ultimate guitar to USB interface to jam and record with killer modeling amps and effects.