Product Details
The Network Horn Speaker SIP-S21M features a sleek flat shape design that enhances its visual appeal, making it an ideal choice for outdoor installations. Its IP66 waterproof design ensures durability and reliability in outdoor environments, providing protection against water exposure and harsh weather conditions.
Equipped with a built-in MIC, the Network Horn Speaker SIP-S21M supports two-way intercom communication, allowing for seamless interaction between users. Its compatibility with VoIP SIP devices and ONVIF VMS/NVR systems enables easy integration with existing communication systems and security networks, enhancing overall connectivity and functionality.

Additionally, this speaker supports pre-recorded messages and HTTP API, offering users flexibility in message delivery and system control. The inclusion of the 48K OPUS Audio Codec ensures excellent sound quality, delivering clear and high-fidelity audio for effective communication in outdoor settings.
The PoE capability of the Network Horn Speaker SIP-S21M eliminates the need for a local power supply, simplifying installation and reducing complexity. Users can further enhance their experience by utilizing Tonmind Audio Manager, Tonmind PA System Lite, and Tonmind PA System Pro for convenient and efficient control over the speaker system, allowing for customized audio output tailored to specific needs.
Network Horn Speaker Feature
• Two-way intercom communication
• Compatible with VoIP, SIP devices (IPPBX, IP Phone) via SIP
• Compatible with IP Camera VMS/NVR via ONVIF
• Support Pre-recorded messages
• Support HTTP API for alarm in transmit
• 48K OPUS Audio Codec, AEC, AGC, ANR
• 30W amplifier, PoE Power Supply
• TF Card function optional
Specifications
|
Audio |
|
|
Codec |
OPUS 48 kHz, MP3 44.1 kHz, G.722 ADPCM 16 kHz, G.711 PCMU 8 kHz, G.711 PCMA 8 kHz |
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MIC |
|
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Built-in MIC |
Yes |
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Speaker |
|
|
Max SPL |
120dB |
|
Frequency Response |
350Hz ~ 8KHz |
|
Frequency Range |
500-2KHZ +-10dB |
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Harmonic Distortion |
0.1@1kHz |
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Signal to Noise Ratio |
91dB |
|
Network |
|
|
Security |
Password protection, IP address filtering, Digest authentication, User access log |
|
Network Protocol |
SIP, ONVIF, HTTP, IPv4, DHCP, RTSP, RTP, RTCP, TCP, UDP, ARP, FTP, TFTP, NFS, NTP |
|
Network Interface |
10/100 Base-TX, RJ45 |
|
VoIP |
Support SIP protocol for integration with VoIP systems, integrated with SIP/PBX. Support ONVIF protocol for interaction with security systems, integrated with ONVIF VMS/NVR. Support SIP features: secondary/backend SIP server, IPv4 (IPv6 futhur). |
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Amplifier |
|
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Amplifier |
Built-in 30W Amplifier |
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General |
|
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Material |
ABS (IP66 water-proof) |
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Rate Power |
30W |
|
Power Supply |
PoE or DC 12V/24V |
|
Interface |
GPIO Alarm in, Audio in, TF Card (optional) |
|
Installation |
Wall Mounted |
|
Dimensions |
285*205*290mm |
|
Weight |
2 KG |
|
Languages |
English |
|
Warranty |
2 years |
|
Package Includes |
Network Horn Speaker |
Our Advantage
We offer expert technical support. Feel free to request the product catalog and instruction manual.
For any inquiries, please reach out to us online or via email.
We guarantee a prompt response! We warmly welcome personal calls or visits.

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