Intercom · PA Speaker

Grandstream GSC3506

Name: Grandstream GSC3506
Brand: Grandstream
Availability: InStock

30W One-Way SIP Paging Speaker for Larger Spaces

The Grandstream GSC3506 is a one-way public address SIP speaker built for larger and noisier environments. It delivers a high-fidelity 30W HD speaker with an HD acoustic chamber, a 10/100Mbps network port with PoE and PoE+, integrated dual-band Wi-Fi and Bluetooth, and support for full-band and wide-band audio codecs including Opus and G.722, making it ideal for warehouses, large offices, retail centres and school buildings.

30W HD Speaker

For larger spaces

PoE / PoE+ Powered

Single-cable install

Dual-Band Wi-Fi

Flexible placement

SIP & Multicast

Works with your PBX

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Technical Features

Announcements That Carry Across the Building

Where an 8W speaker is not enough, the GSC3506 delivers the output needed for warehouses, atriums and busy retail floors.

High-Fidelity 30W HD Speaker

A 30W speaker with HD acoustic chamber projects announcements clearly across large, open or noisy areas

Full-Band and Wide-Band Codecs

Opus and G.722 support keeps voice announcements crisp and intelligible even at volume

PoE and PoE+ Network Port

One 10/100Mbps Ethernet run delivers network and power, keeping installation simple in large buildings

Integrated Dual-Band Wi-Fi

2.4GHz and 5GHz wireless support gives flexibility where cabling is impractical

Integrated Bluetooth

Bluetooth connectivity broadens deployment and pairing options within the facility

SIP and Multicast Paging

Operates as a SIP endpoint or within multicast paging zones alongside your existing phone system

Integrated Ports

Auxiliary port options support peripherals for tailored alerting and paging configurations

Auto Configuration

Zero-touch provisioning speeds up deployments where dozens of speakers are installed at once

Free GDMS Management

Centrally provision, monitor and update the whole speaker estate from GDMS at no extra cost

Frequently Asked Questions

Grandstream GSC3506 — Common Questions

Everything you need to know about the Grandstream GSC3506 before you buy.

What is the Grandstream GSC3506?

The GSC3506 is a one-way public address SIP speaker that allows offices, schools, hospitals, apartments and similar facilities to build powerful public address announcement solutions.

How powerful is the GSC3506 speaker?

It features a high-fidelity 30W HD speaker, which is significantly more output than the 8W GSC3505. That makes it well suited to warehouses, large offices, atriums, retail centres and other spaces with high ambient noise.

Does the GSC3506 support two-way intercom?

No. The GSC3506 is a one-way public address speaker for announcements and paging. For two-way talk-back functionality, the GSC3516 offers a 15W speaker with microphones, or the GSC3510 an 8W two-way option.

How is the GSC3506 installed and powered?

It uses a 10/100Mbps network port with PoE and PoE+ support, so one Ethernet cable provides data and power. Integrated dual-band Wi-Fi is available where cabling is not practical.

What is the GSC3506 v2?

The GSC3506 v2 is the updated multicast paging speaker version of this product, providing paging and public address functionality with revised auxiliary port options. Contact Cohesive Technologies if you need help choosing between the two.

How do I buy the Grandstream GSC3506 in India?

Cohesive Technologies is an authorised Grandstream distributor for India, Sri Lanka, Nepal and the Maldives. Contact our team for GSC3506 pricing, stock availability, demo units and pre-sales design support, and we will connect you with your nearest authorised partner.