https://www.citycomeg.com/product/dph-500se/
DPH-500SE D-Link SIP SPEAKER - City Com
Apr 7, 2026 - Multicast wide area emergency, safety and security notification alerts. Outputs for external speaker, slave amplifier, or visual alerted. High efficiency and...
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https://www.tonmind.com/tonmind-k36t-sip-pcb-board-for-ip-speaker-intercom_p54.html
Tonmind K36T SIP PCB Board for IP Speaker Intercom Manufacturers
TONMIND is a leader group in the design and manufacturing of SIP PCB Board for a great variety of sectors and applications. Shipped Factory Direct!
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