The AIB-1 Audio Isolation Board eliminates ground loop hum and allows users to consolidate audio devices into a single output. It can be easily mounted to a wall, and offers RCA jacks, a modular jack, and screw terminal connections to solve a variety of problems by electrically isolating two audio circuits. Uses include: elimination of ground loop hum; interfacing a paging system to a phone line; interfacing a phone system station port to a paging system; summing two different audio sources into one audio input; and converting a speaker level signal down to a line level signal. The AIB-1 has screw terminal inputs for speaker level, line level, and telecom station signals, as well as having an RCA jack and modular jack.

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