ONVIF / VMS audio
Use the documented ONVIF interface for compatible video management system (VMS) audio workflows. Confirm the required operation with the selected platform and firmware.
IP Horn Speakers
ST-15HSRIP PA Horn Speaker 15W (R)
ST-15HSR: 15W rated output; 10/100 Base-TX, RJ45 network interface. Review the complete technical data and system connections below.
- Rated Power
- 15W
- Network Interface
- 10/100 Base-TX, RJ45
- Power Supply
- PoE/12V-2A
Overview
ST-15HSR is a network audio endpoint for SIP paging, notifications and streamed audio playback. Select the installation and configuration against the model-specific technical data below.
Plan network connectivity, operator workflow, mounting and power as part of the complete communication system. Explore the application guides for deployment considerations.
Key features
- Dual-speaker driver design - low frequency bass driver unit & high-frequency tweeter driver unit. Amplified audio for announcements and communication.
- Auto provisioning through SipTok IP Audio Centre for local or remote installations.
- Built-in SIP support, can be integrated with Siptok IP Audio Centre or 3rd party SIP server, SIP paging using wideband G.722 codec which provides crystal clear HD voice.
- Music playback through Siptok IP Audio Centre using streamed media. HD MP3 audio files supported for superior quality of background music.
- IEEE 802.3at support is listed in the supplied product features. An external supply may also be used as specified for this model.
- Built-in amplifier with local or server-controlled volume output.
System integration
HTTP API integration
The model documentation lists an HTTP API for alarm transmission. Define the event, request format and required response with our team before configuring the integration.
Technical specifications
ST-15HSR| Parameter | Specification |
|---|---|
| Audio | |
| Codec | OPUS 48 kHz, MP3 44.1 kHz, G.722 ADPCM 16 kHz, G.711 PCMU 8kHz, G.711 PCMA 8 kHz |
| Speaker | |
| Impedance | 8Ω |
| Freq. Response/Band Width | 275-7,000Hz (±3 dB) |
| Amplifier | Built-in Class D Amplifier |
| SPL at 1kHz | 106dB/1W/1m l 118dB/15W/1m |
| THD | less than 0.5% at 1KHz |
| Signal to Noise Ratio | 88dB |
| Network | |
| Security | Password protection, IP address filtering, Digest authentication, User access log, firewall |
| Network Protocol | SIP, ONVIF, HTTP, HTTPS, IPv4, DHCP, RTSP, RTP, RTCP, TCP/IP, UDP, ARP, SNMP, TFTP, NFS, NTP, FTP, ICMP, SSH, SSL, DNS, SNTP |
| Network Interface | 10/100 Base-TX, RJ45 |
| VoIP | Support for SIP protocol for integration with VoIP systems, integrated with SIP/PBX. 2 SIP Accounts, SIP Direct IP Call, RTP Multicast, ONVIF |
| General | |
| Operating Temperature | -10º to +65º C |
| Operating Humidity | 5% to 85% |
| Material | ABS (UV Protected) |
| Rated Power | 15W |
| Power Supply | PoE/12V-2A |
| Installation | Pole/Wall Mount using Speaker’s Bracket |
| Dimensions | 253x152 (L265) mm |
| Net Weight | 1.60 Kg |
| Languages | English |
| Standard Warranty | 1 year |
| Standards | IS/IEC:60947-1, Industrial Grade |
| Protection | IP66, UV Protection |
| Approvals & Compliances | ISO 9001:2015, ISO 27001:2022, CE, RoHS, FCC |
| Package Includes | IP PA Horn Speaker 15W, Bracket, User Manual, Adapter (on request) |
Confirm the required configuration and current product documentation before procurement.
Product documentation
Product documents are available to approved SipTok partners and invited project teams.
Partner document accessSYSTEM CONNECTIONS
Where ST-15HSR fits.
The selected speaker is an IP audio endpoint on the site LAN. An operator console and compatible audio platform provide the announcement workflow; mounting and coverage are designed for the application.
SIPTOK · SCHEMATIC DIAGRAM
ST-15HSR in a network paging system
Ethernet / LANSelect a product photograph for model details
Scroll across the diagram to explore each connection.
01 · Control room & system control
Example paging operator consoleST-C10IP Announcement Console PanelEthernet / LANView product
02 · Site network
Example Ethernet switchST-PoE-8P8 Port PoE SwitchLAN switch · independent power reviewView product
03 · Application zones
Selected announcement endpointST-15HSRIP PA Horn Speaker 15W (R)Ethernet / LANThis model
01
SIP paging
The operator addresses the configured destination through a compatible SIP platform. Confirm audio codecs, registration and paging behaviour during commissioning.
02
Multicast alternative
Where the selected model lists RTP multicast, a compatible sender distributes audio to configured receiver groups. This is separate from SIP call registration.
Connection, power & commissioning notes
- Ethernet branches connect the shown IP devices to the site LAN switch. This is a connection concept, not a cable-routing or electrical wiring drawing.
- SIP handles call setup. RTP audio follows the configured media path; it does not necessarily pass through the SIP server. Multicast is a separate, model-supported paging option.
- Confirm power for each device independently. A PoE switch in this example does not establish the required PoE class, port budget or a universal one-cable installation.
Photographs show actual SipTok models. This is a conceptual connection diagram; cable routes, power and final equipment are confirmed during system design.
APPLICATIONS
Where ST-15HSR fits.
Explore the operating environment and communication requirements for each use case.
Industry & ManufacturingProduction areas & external yards
Plan directional announcement coverage around machinery noise, working areas and the selected model’s environmental requirements.
Explore the solution
Highways & TransportationService areas & transport facilities
Provide operational announcements in surveyed coverage areas, with mounting, power and backhaul designed for the site.
Explore the solution
Warehouses & LogisticsLoading bays & logistics yards
Separate dispatch, loading and service areas into useful paging zones rather than relying on one site-wide message.
Explore the solutionPRODUCT SELECTION & INSTALLATION
Questions about ST-15HSR.
Review the model’s connection, installation and documentation before finalizing the system.
Ask a product expertCan ST-15HSR work with a SIP platform?
The model’s published VoIP data lists SIP support. Match the platform, codecs, registration and required paging or calling workflow, then test the selected configuration before deployment.
Does ST-15HSR support VMS and API integration?
The model documentation lists VMS compatibility via ONVIF and an HTTP API for alarm transmission. Agree the required audio action or alarm exchange, and confirm the selected platform, firmware and interface details with SipTok.
What power arrangement is listed for ST-15HSR?
The published power-supply field states “PoE/12V-2A”. Check the installation supply and the current model document. For PoE, verify the switch’s per-port and total power budget.
What should I include in a ST-15HSR enquiry?
Include the model, quantities, site layout, intended workflow and connected equipment. For a complete system, share paging zones, network and power availability, and any BOQ, RFP or configuration support required.
EXPLORE THE RANGE
Related products.
LET’S START A CONVERSATIONDiscuss your
Discuss your
IP PA project.
From product selection to system planning, share your requirements with the SipTok team.
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