Product details
The Grandstream GSC3516 2-Way SIP Multicast Speaker is a powerful IP-based PA speaker designed for clear voice announcements and real-time communication. It is ideal for offices, factories, schools, hospitals, and commercial buildings that require reliable audio broadcasting, SIP integration, and centralized control through modern VoIP networks.
Specification of Table Grandstream GSC3516 2-Way SIP Multicast Speaker
| Specification Item | Details |
|---|---|
| Model | Grandstream GSC3516 |
| Speaker Type | 2-Way SIP Multicast Speaker |
| Speaker Power Output | 15W |
| Audio Codec | G.722, G.711a, G.711u |
| Frequency Response | Wideband Audio |
| Microphone | Built-in high sensitivity microphone |
| SIP Protocol | SIP RFC3261 |
| Multicast Paging | Supported |
| Network Interface | 10/100Mbps Ethernet |
| PoE Support | IEEE 802.3af |
| Power Supply | PoE or DC power |
| Mounting | Wall mount supported |
| Management | Web UI, SIP based control |
| Operating Temperature | Standard indoor environment |
| Use Case | PA system and intercom |
Design and Build Quality
The Grandstream GSC3516 features a compact and durable enclosure designed for long-term indoor use. Its solid construction ensures stable performance in busy environments, while the clean industrial design blends well with office, educational, and commercial interiors without drawing unnecessary attention.
Installation & Setup
Installation is simple with PoE support, reducing the need for extra power wiring. The web-based configuration interface allows quick SIP account setup, multicast configuration, and audio tuning, making deployment fast even for large-scale PA system installations.
Sound Quality and Volume Performance
With a strong 15W speaker output, the GSC3516 delivers loud and clear audio across large areas. Voice announcements remain sharp and distortion-free, ensuring messages are easily understood even in noisy environments such as factories and warehouses.
Microphone Performance
The built-in microphone provides reliable two-way communication with clear voice pickup. It effectively captures speech without excessive background noise, making it suitable for intercom use, live paging, and emergency response communication.
Speaker Coverage and Clarity of Grandstream GSC3516 SIP Speaker
The speaker is engineered for wide coverage, ensuring consistent audio clarity throughout corridors, halls, and open spaces. Balanced sound projection helps avoid echo or dead zones, making announcements clear across the entire coverage area.
Controls and Ease of Use
User-friendly controls and an intuitive web interface make daily operation simple. Administrators can easily manage paging zones, volume levels, and SIP settings without requiring advanced technical expertise.
Connectivity Options
The GSC3516 supports standard SIP and multicast paging over Ethernet. It integrates smoothly with IP PBX systems, VoIP servers, and network-based PA solutions.
Portability and Placement
Designed primarily for fixed installations, the speaker supports wall mounting for optimal sound distribution. Its compact size allows flexible placement without occupying much space.
Power Output and Reliability
With a stable 15W power output and PoE support, the GSC3516 ensures consistent performance and dependable operation for continuous daily use.
The PA System is Recommended For
This PA speaker is recommended for offices, schools, hospitals, factories, shopping malls, and warehouses that need clear announcements, emergency alerts, and SIP-based communication.
Warranty & Support
The PA comes with official warranty support and reliable after-sales service, ensuring peace of mind for long-term deployment.
Pricing and Availability in Bangladesh
The Grandstream GSC3516 2-Way SIP Multicast Speaker is available in Bangladesh through Shift Tech BD. Customers can get competitive pricing, professional installation, and full support services. For product details, pricing, or orders, contact Shift Tech BD at 01317492019 for fast assistance and genuine products.
Pros
- Clear and loud audio output
- Built-in two-way microphone
- SIP and multicast support
- PoE powered installation
- Easy web based management
- Wide coverage sound projection
Cons
- Indoor use only
- No wireless connectivity
Conclusion
The Grandstream GSC3516 is a reliable SIP multicast speaker offering clear sound, easy deployment, and strong network integration. It is an excellent choice for modern IP-based PA and intercom systems in commercial environments.
FAQ about the Grandstream GSC3516 2-Way SIP Multicast Speaker
Question: What is the main use of the Grandstream GSC3516 2-Way SIP Multicast Speaker?
Answer: The speaker is mainly used for IP-based public address systems, emergency announcements, and two-way communication in offices, schools, hospitals, and industrial facilities.
Question: Does the PA support two-way communication?
Answer: Yes, it has a built-in microphone that allows clear two-way audio communication for intercom and live paging purposes.
Question: Can the GSC3516 work with an IP PBX system?
Answer: Yes, it fully supports SIP protocol and integrates smoothly with IP PBX systems and VoIP servers.
Question: Is PoE supported on the PA?
Answer: Yes, the speaker supports PoE, allowing both power and data through a single Ethernet cable.
Question: Is the PA suitable for large areas?
Answer: Yes, its 15W speaker output provides wide coverage and clear sound for halls, corridors, and open indoor spaces.
Question: Can multiple GSC3516 speakers be used together?
Answer: Yes, multicast paging allows multiple speakers to receive announcements simultaneously across different zones.
Question: Is wall mounting supported for this SIP speaker?
Answer: Yes, the speaker supports wall mounting for stable installation and optimal sound distribution.
Question: What type of audio quality does the GSC3516 provide?
Answer: It supports wideband audio codecs, ensuring clear and natural voice quality during announcements and communication.
Question: Is the PA suitable for emergency announcements?
Answer: Yes, it is ideal for emergency alerts due to its loud output, clear audio, and reliable SIP-based communication.
Question: Where can I buy the PA in Bangladesh?
Answer: You can purchase it from Shift Tech BD in Bangladesh by calling 01317492019 for pricing, availability, and support.






