Grandstream GSC3518HS Outdoor 50 Watt 2 Way SIP Horn Speaker and Microphone, PoE++ or 24-48V DC In
Grandstream GSC3518HS Outdoor 2 Way SIP Horn Speaker and Microphone, 50 Watt, PoE++ or 24-48V DC In.
The GSC3518HS is a SIP/multicast talk-back horn speaker that provides crystal clear HD audio, a high-fidelity 50-Watt speaker, and IP66-rated water and dust protection. Ideal for outdoor campuses, public spaces, large offices, school playgrounds, hospitals, parks, warehouses, and more, the GSC3518HS provides a powerful outdoor announcement solution that expands security and communication.
This high-powered SIP speaker includes 3 microphones, AI-based background noise reduction, and intelligent text-to-speech to ensure every word is heard clearly in talk-back scenarios.
The GSC3518HS supports PoE++ input and PoE+ output, catering to device cascading scenarios. Thanks to its' modern industrial design and extensive features, the GSC3518HS is an ideal SIP talk-back horn speaker for any setting, allowing users to easily build a powerful intercom, security, and public-address announcement solution
- High-powered 50W speaker with maximum volume of 126 dBA, ideal for coverage of expansive outdoor areas
- 3 microphones, AI-based background noise reduction, and intelligent text-to-speech to ensure every word is heard clearly in talk-back scenarios
- Full-band and wide-band audio codec support, including Opus & G.722
- Includes differential LINE IN and LINE OUT connections
- Supports Airplay, ONVIF, RTSP/HTTP streaming, local audio files, and mobile app playback
- SIP paging, multicast paging, call waiting with priority override, and more
- One 10/100Mbps network port with PoE/PoE+/PoE++ input, and one 10/100Mbps network port with PoE/ PoE+ output
- IP66-rated waterproof and dustproof; includes a durable stainless steel bracket suitable for harsh outdoor environments
| Protocols/Standards | SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, LLDP-MED, SIMPLE, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6, OpenVPN® |
| Voice Codecs and Capabilities | G.711µ/a, G.722 (wide-band), G.726-32, iLBC, Opus, G.723, G.729A/B, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, PLC, AJB, AGC, ANS |
| Telephony Features | SIP Paging, Multicast Paging, Group Paging, Push-to-Talk (PTT), call-waiting with priority override |
| QoS | Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS |
| Security | User and administrator level passwords, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control, secure boot |
| Multi-language | English, German, French, Spanish, Portuguese, Russian, and Chinese |
| Upgrade/Provisioning | Firmware upgrade via TFTP, HTTP, HTTPS, or local HTTP upload, mass provisioning using GDMS, TR069, or AES encrypted XML configuration file |
| Network Interfaces | 1x 10/100 Mbps port with integrated PoE/PoE+/PoE++ input, 1x 10/100 Mbps port with integrated PoE/PoE+ output |
| Auxiliary Port | 2x 2-pin Switch-in input ports, 1x 2-pin Switch-out output port, 1x differential line in port, 1x differential line out port, 2x network ports, 1x DC24V-48V port, reset |
| Speaker | 50W high-fidelity speaker, Frequency: 270Hz-13.2KHz, Sensitivity: Up to 109 dBA at 1m/1W(1 kHz) |
| Max SPL | Up to 126dBA |
| Microphone | 3 Built-in microphones with 26.25 feet (8m) pickup distance |
| Power & Green Energy Efficiency | PoE++ Input, complies with IEEE 802.3bt standard, Class 8, Max power 71 Watt, Max Input voltage 57V; PoE+ Output, complies with IEEE 802.3at standard, Class 4, Max power 25 Watt, DC IN 24V/4A - 48V/2A |
| Ingress Protection | IP66-rated, waterproof cable gland |
| Installation Type | Wall Mount, Pole Mount |
| Temperature and Humidity | Operation: -30°C to +60°C, Storage: -40°C to +60°C, Humidity: 10% to 90% Non-condensing |
| Physical | Unit Dimensions: 324.6mm(L) x 285.3mm(W) x 204.3mm(H), Unit Weight: 2.870kg (with mounting kits), Package Weight: 3.913kg |
| Material | PC + ABS (Polycarbonate-Acrylonitrile Butadiene Styrene), Aluminum back cover, Stainless steel mounting bracket |
| Compliance | FCC, IC, CE, RCM |
| Protocols/Standards | SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, LLDP-MED, SIMPLE, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6, OpenVPN® |
| Voice Codecs and Capabilities | G.711µ/a, G.722 (wide-band), G.726-32, iLBC, Opus, G.723, G.729A/B, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, PLC, AJB, AGC, ANS |
| Telephony Features | SIP Paging, Multicast Paging, Group Paging, Push-to-Talk (PTT), call-waiting with priority override |
| QoS | Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS |
| Security | User and administrator level passwords, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control, secure boot |
| Multi-language | English, German, French, Spanish, Portuguese, Russian, and Chinese |
| Upgrade/Provisioning | Firmware upgrade via TFTP, HTTP, HTTPS, or local HTTP upload, mass provisioning using GDMS, TR069, or AES encrypted XML configuration file |
| Network Interfaces | 1x 10/100 Mbps port with integrated PoE/PoE+/PoE++ input, 1x 10/100 Mbps port with integrated PoE/PoE+ output |
| Auxiliary Port | 2x 2-pin Switch-in input ports, 1x 2-pin Switch-out output port, 1x differential line in port, 1x differential line out port, 2x network ports, 1x DC24V-48V port, reset |
| Speaker | 50W high-fidelity speaker, Frequency: 270Hz-13.2KHz, Sensitivity: Up to 109 dBA at 1m/1W(1 kHz) |
| Max SPL | Up to 126dBA |
| Microphone | 3 Built-in microphones with 26.25 feet (8m) pickup distance |
| Power & Green Energy Efficiency | PoE++ Input, complies with IEEE 802.3bt standard, Class 8, Max power 71 Watt, Max Input voltage 57V; PoE+ Output, complies with IEEE 802.3at standard, Class 4, Max power 25 Watt, DC IN 24V/4A - 48V/2A |
| Ingress Protection | IP66-rated, waterproof cable gland |
| Installation Type | Wall Mount, Pole Mount |
| Temperature and Humidity | Operation: -30°C to +60°C, Storage: -40°C to +60°C, Humidity: 10% to 90% Non-condensing |
| Physical | Unit Dimensions: 324.6mm(L) x 285.3mm(W) x 204.3mm(H), Unit Weight: 2.870kg (with mounting kits), Package Weight: 3.913kg |
| Material | PC + ABS (Polycarbonate-Acrylonitrile Butadiene Styrene), Aluminum back cover, Stainless steel mounting bracket |
| Compliance | FCC, IC, CE, RCM |