Mackie ProDX 4 is a compact 4-channel wireless digital mixer ideal for solo artists and performers wanting to mix their own shows on stage, and includes a sing-knob front panel for effortless volume control. Designed to work with any iOS or Android device with Mackie's MixerConnect app which gives you full control over the inputs, outputs, and channel FX. Plus the ultra compact design makes it super easy to transport and set-up. Perfect for solo performers, small bands, venues and commercial applications, the ProDX Series combines the wireless control and mixing tools of advanced digital mixers with an incredibly compact and intuitive design that anyone can master. With powerful built-in processing like EQ and compression per channel and great-sounding ReadyFX™ effects, your next performance will sound better than ever. Plus, with Bluetooth®streaming, you can wirelessly play back music or backing tracks right from your phone.