USB CONTROLLER: Powered by USB connection to computer for home and aspiring DJs</br>NO SOUND CARD: Requires external audio interface for sound output to headphones and speakers</br>**VERY IMPORTANT** VIRTUAL DJ LE: Software download included after free controller registration. Please refer the User Guide before use.</br>BEAT MATCHING: Long 100mm pitch sliders to keep in perfect sync</br>PRO FEATURES: Touch-sensitive metal jog wheels multi-function touchstrip 16 backlit rubber trigger pads volume levels display</br></br>Product Description</br></br><p>From Numarkthe world's leading innovator of DJ equipment and technologiescomes the incredible Mixtrack 3 DJ controller designed with the professionally-aspiring DJ in mind.</p>   <p>This controller doesn't have a built-in soundcard so it's made to connect to whatever external audio interface you plan to combine with it to route sound to speakers and headphones.</p>   <p>Dive into our 16 multi-function backlit performance pads and add loops launch samples and control hot cues to your performance. Use the multi-function touch strip for dynamic FX control and track search operation. There are dedicated filter knobs for each channel to give you just the exact amount of tonal control you need for that perfect sound. If you can think it Mixtrack 3 will do it.</p>  <p>With the included Virtual DJ LE software you can create professional-sounding mixes at home or easily upgrade to Virtual DJ Pro for performing live at parties?? functions and clubs. Plus?? Mixtrack 3 operates via standard MIDI to be compatible with virtually any popular DJ software.</p>  <p>Features</p>     <ul>         <li>Dedicated Filter knobs for each channel</li>         <li>Multi-function Touch strip