Pro Intercom

Pro Intercom AD903 | 2 to 4 Wire Active Transceiver Adapter

The AD903 has many functions for getting various levels of audio into an intercom circuit, or getting the intercom audio ¡°traffic¡¯ out to an amplifier or recorder. It is also useful as a 2-to-4 wire adaptor for connecting 4-wire communications into and out of a standard intercom circuit. The ¡®Null¡± control allows you to minimize or even eliminate …

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