Bogen UTI1 Universal Telephone Interface (for Single-Zone Paging Systems)The UTI1 Universal Telephone Interface provides single zone paging for one way applications such as self amplified speaker systems. It is compatible with all standard analog port types and includes two audio outputs with level controls, each of which can provide audio for 150 Bogen self amplified speakers. A 24V DC @ 1A internal power supply is available to power external equipment. Features: Single zone paging Telephone interfaces: loop start trunk,