Grandstream GSC3506 SIP Intercom Speaker | 30W | One-Way No Mic

Overview of Grandstream GSC3506 SIP Intercom Speaker

The Grandstream GSC3506 SIP intercom speaker is a high-powered, one-way IP audio broadcast device designed for large indoor and outdoor environments. Featuring a powerful 30-watt HD speaker with no built-in microphone, this SIP-enabled device is ideal for emergency alerts, mass paging, school bells, public announcements, and industrial audio broadcasting across facilities in India.

Key Features of Grandstream GSC3506 SIP Intercom Speaker

The Grandstream GSC3506 SIP intercom speaker supports SIP paging, multicast broadcasting, and priority announcements. With 30W output, it delivers exceptional sound coverage and clarity, making it suitable for noisy environments like factories, stadiums, campuses, or transport hubs. The device is PoE-powered, simplifying deployment and reducing cable management overhead.

High-Performance One-Way Audio Broadcast

Designed for clear, loud announcements, the Grandstream GSC3506 SIP intercom speaker is perfect for paging scenarios that don’t require two-way communication. It supports wideband audio codecs like G.722 and Opus, ensuring distortion-free clarity even at high volumes. The unit integrates seamlessly with Grandstream UCM PBXs and third-party SIP systems for flexible deployment.

Robust and Scalable Design

The Grandstream GSC3506 features a rugged housing for reliable 24/7 operation in demanding environments. It can be wall- or pole-mounted and is suitable for large-scale enterprise deployments. Centralized provisioning via GDMS or TR-069 simplifies installation and ongoing management. With no mic included, it avoids background feedback and is ideal for clear broadcast-only operations.

Why Choose Grandstream GSC3506 SIP Intercom Speaker?

The Grandstream GSC3506 SIP intercom speaker offers unmatched broadcast performance with minimal setup. Its 30W audio output is ideal for applications that require loud, clear voice messaging without interaction. Widely adopted across India in educational institutions, industrial zones, railways, airports, and hospitals, this speaker ensures consistent performance and simplified IP integration.

Product Specifications

• Model: Grandstream GSC3506
• Speaker: One-way, 30-watt HD speaker
• Microphone: Not included (broadcast-only)
• Audio Codecs: G.722, Opus, G.711
• Network: 10/100 Mbps Ethernet with PoE
• Mounting: Wall or pole mountable
• Management: GDMS, TR-069, Web UI

Availability in India

The Grandstream GSC3506 SIP intercom speaker is available from IPVoice Technologies with rapid delivery across India. We support deployment in cities including Delhi, Mumbai, Bengaluru, Hyderabad, Chennai, Pune, Ahmedabad, Kolkata, and Lucknow. Perfect for high-volume paging in enterprise, education, and public-sector projects.

Conclusion

Powerful, scalable, and simple to install, the Grandstream GSC3506 SIP intercom speaker is the perfect solution for clear, one-way audio paging in India. With a 30W speaker and full SIP/PoE support, it’s ideal for public address systems that demand performance and reliability. Order now from IPVoice Technologies – your trusted Grandstream networking supplier.