As the successor to the original Presspower, it becomes the new standard for press conferences worldwide. It features 2 mic/line inputs with individual gain controls and 16 transformer isolated outputs that are individually switchable for mic or line level operation. Also includes a 20 segment LED level meter, an internal test tone generator, a built in headphone monitor amp with volume control, high pass filters & phantom power. Can be powered via DC supply from battery packs, cigarette lighters, camera packs, etc. and the unit will automatically switch to DC back-up in the event of an AC power interrruption.