The American Audio 19-inch rack mountable 19 MXR LTD offers DJs the tactile feel and operation of a traditional DJ mixer while playing and controlling music from software on their computer. The 19 MXR is a 19-inch, 4-channel MIDILOG™ mixer with midi/Analog control. It has a new graphic layout that easier to use, new features through a custom version of Virtual DJ 8LE, plus an improved browser for better navigation. Like its predecessor, the 19 MXR LTD has a built-in DSP D-core sound card with 4-In/4-Out audio interface, balanced XLR outputs, MIDI navigation controls and user assignable control buttons to make it easy to customize and play your music.