OPTIMUS, the leading Spanish company in the design, manufacture and distribution of public address (PA), voice alarm (VA) and intercom equipment.
The OPTIMUS AT-M15SIP model integrates in the same equipment a ceiling loudspeaker that provides up to 103 dB SPL, a 15 W RMS amplifier, a network interface for connection via SIP protocol, a supervision microphone and two contacts, one input and one output.
It is, therefore, a versatile device with multiple applications, for public address, paging, audio supervision and intercom functions in any type of installation. It can function as a ceiling loudspeaker integrated into an IP/SIP public address system, receiving music and announcements from compatible devices, such as the SMM-8SA message manager or any SIP telephone. Its built-in microphone allows you to monitor the audio of your environment, both for security functions and to establish communication with people located in the vicinity of the speaker. The input and output contacts also facilitate the intercom functionality with call and communication established signalling.



Technical description

IP/SIP ceiling loudspeaker, 15 W RMS amplifier, microphone and input(1)/output(1) contacts

Flush-mounted ceiling loudspeaker with RJ45 port and network interface for connection via SIP protocol. It has an internal 15 W RMS amplifier and maximum SPL of 103 dB (1m, 1 kHz). It includes a microphone for supervision and/or intercommunication, an input contact and another output contact. It can be used as a SIP loudspeaker, with monitoring of the surrounding audio, and as a SIP intercom, with a call button and communication established signalling. Dimensions 200 ø x 90 mm. Cut‐out hole 175 mm. OPTIMUS model ref. AT-M15SIP.


Power supply
Rated output Power
Microphone sensitivity
Network communication protocol
Network Interface
Audio decoding
SIP audio codec
Volume control
Frequency response
Cut‐out hole
12/24 V DC | PoE+
15 W RMS
52 dB
91 dB (1 W, 1 m) | 103 dB (15 W, 1 m)
TCP/UDP, SIP (P2P & server mode), UDP multicast
10/100Base‐TX, RJ45 Port
G.711a, G.711u, G.722
by software
100 ~ 18.000 Hz
1 input & 1 output
painted metal, white color
1 W standby, 17 W maximum
1.2 Kg
200 ø x 90 mm
175 mm

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