M-Audio Fast Track US44010 USB Audio Interface with GT-Player Express Software USB audio interface for recording guitar and vocals on Mac or PC music software Dynamic microphone input (XLR) with gain control and signal LEDs Switchable 1/4-inch instrument/line input and 1/8-inch stereo headphone output Drag-and-drop loop-based music creation &gt; make great music even if it&#8217;s your first time Jam and record your own tracks for guitar, vocals, keyboards and more &gt; embrace your inner rock star