The MDB-2P is a handy passive stereo direct box from Mackie. Mackie is an American company that produces audio products for an amazing price. A passive stereo DI box is a handy system through which you can route your active signals to produce a balanced output. As such, you can also change the type of signals so you can connect it to other systems. The MDB-2P is a reliable DI box so you can be certain that the highest-quality sound will be delivered to your audience. The box will also not add any unwanted sounds, like interference or buzzing. The system has two 1/4" high-impedance inputs, -15db pads, and two low-impedance XLR outputs.