The NX Audio Proton fully loaded portable  Active Series of Speakers available with on board effects and an equalizer.
Easy Control DSP with which you take total control of your sound. Press and rotate that's all. The graphic backlit display shows you what you select. Choose from several sound programs, edit the sound character and simply get started. With the Separately controllable inputs you decide if you want to connect a microphone, a mixer, an instrument or a player. On both input channels, you can choose if you want to connect a cable with XLR or 6.3 Jack connectors.