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IP broadcast + speaker
DH-S30C/DH-S40C -4G
SIP SC series 4G broadcast speakers
Lightweight cylindrical security digital speakers that integrate SIP/4G/WiFi connectivity, support ONVIF/multicast protocols, and are designed for easy installation with a modern appearance. They are ideal for smart cities, campuses, and industrial areas that require seamless audio and video integration without additional wiring
Features
Cylindrical omnidirectional sound emission, higher aesthetics, lighter weight, and easier installation, suitable for municipal/high-end applicationsNo need for a power amplifier; supports SIP/ONVIF/video integration for remote intelligent control4G/WiFi wireless technology eliminates the need for wiring; suitable for remote locations without internet accessBuilt-in professional audio algorithms for noise resistance and clear sound transmission over long distances, meeting the needs of outdoor security announcementsVoice optimization ensures clear high-pitched sounds and rich mid-pitched tones, enhancing speech recognition in noisy outdoor environmentsIntegrates with any camera via the ONVIF protocol for audio and video synchronization; lightweight deployment with lower costs and no installation space restrictions
| Processor | High-performance embedded System-on-Chip (SOC) processor |
| Operating system | Embedded LINUX operating system |
| Network | WiFi/4G |
| Rated power | 30W/40W |
| Audio input | Channel 1 (optional) |
| Audio output | Integrated 30W/40W speakers |
| Compression standard | G.711, G.713, GSM, PCM |
| Compression bitrate | 32kbps/64kbps/128kbps |
| Sound quality | Professional echo cancellation and noise suppression (optional) |
| Storage | 128MB |
| Network Protocol | SIP, TCP/IP, DNP |
| Interconnection Interface | 3 items |
| Power supply | DC 12V |
| Power consumption | ≤40W |
| Appearance Dimensions | 110mm×100mm×380/480mm |
| Material | Metal Paint |
| Operating Temperature | -30°C~75°C |



