Intercom & IFB

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Order Code: M46A
The Model 46A is designed to interface 2-wire full-duplex party-line (PL) intercom circuits with 4-wire audio circuits associated with matrix intercom systems. Other specialized audio system interfacing applications can also…
Order Code: M47A
The Model 47A is designed to interface 2-wire full-duplex party-line (PL) intercom circuits with 4-wire audio circuits associated with matrix intercom systems. Other specialized audio system interfacing applications can also…
Order Code: M72
The Model 72 Level Meter/Interface is a compact, portable device that plugs directly into an IFB or intercom circuit and provides two useful functions: audio level meters and line-level audio…
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