Designed for delivering clear bright theater audio at home, this Valcom speaker is ready to deliver and responsive. If you like reliability, ease of installation, and durability, the Valcom S-504 has a lot to offer. This speaker is an excellent selection for your listening enjoyment while you relax.
- Interfaces the door phone speaker and has extra alert contact closure
- Volume control for speaker and talkback may be used with C.O. ports, C.O. lines or C.O. station ports
- Has door ajar/detect notification capability
- UL/CSA listed
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