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Grandstream GSC3518HS SIP/Multicast Talk-Back Horn Speaker - 126 dB(A) Audible - IP66 - PoE/PoE+/PoE++

SKU: GSC3518HS
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MSRP: $330.95
$330.95
$300.95
Save: $30.00 (9.06%)
Warranty Information: Covered by Manufacturer
Condition: New
Width: 1.23 (cm)
Height: 1.23 (cm)
Depth: 1.23 (cm)
Availability: In Stock in Canada - Ready to Ship
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Product Features

Description

Product Overview

The Grandstream GSC3518HS is a SIP/Multicast Talk-Back Horn Speaker engineered for robust audible signaling in demanding security and communication environments. This wired PA horn integrates directly into IP-based systems, supporting SIP and multicast protocols for flexible deployment across access control, paging, and outdoor security applications.

Designed with industrial-grade durability, the GSC3518HS meets IP66 standards for dust and water resistance, ensuring reliable operation in harsh conditions. Its 126 dB(A) sound emission delivers clear, high-volume audible alerts, making it suitable for large-area coverage where immediate attention is required.

Relevant factors for this section include Connectivity Technology, Alarm Type, Sound Emission (A-Weighted), Power Source. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Weight
Weight
126 dB(A)
Audio & Alarm
Sound Emission126 dB(A)
Alarm TypeAudible
Durability & Protection
Ingress Protection (IP) RatingIP66
DurabilityDust Resistant, Water Resistant, Water Proof, Dust Proof
Power & Connectivity
Power SourcePoE, PoE+, PoE++
Connectivity TechnologyWired

Technical Overview

The GSC3518HS leverages Power over Ethernet (PoE) technology, supporting PoE, PoE+, and PoE++ standards for simplified installation and reduced cabling complexity. This power flexibility allows integration with a wide range of network switches and injectors, streamlining deployment in both new and existing infrastructure.

Its wired connectivity ensures stable, low-latency communication, critical for real-time talk-back and alarm functions. The speaker's SIP compatibility enables seamless integration with VoIP and unified communication platforms, while multicast support optimizes network bandwidth for synchronized audio broadcasting across multiple zones.

Relevant factors for this section include Connectivity Technology, Alarm Type, Sound Emission (A-Weighted), Power Source. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.

Sound Emission126 dB(A)
IP RatingIP66
Warranty1 Year
PoE/PoE+/PoE++SIP/MulticastWired

Key Product Advantages

The GSC3518HS combines high-output audio with enterprise-grade durability, offering a reliable solution for audible signaling in security and communication networks. Its PoE support eliminates the need for separate power supplies, reducing installation costs and complexity while maintaining consistent performance.

High-Volume Output

Delivers 126 dB(A) sound emission for effective audible alerts across large indoor or outdoor areas, ensuring messages are heard clearly even in noisy environments.

  • Audible alarm type
  • Suitable for paging and security

Rugged Construction

IP66-rated enclosure provides dust-proof and water-resistant protection, allowing deployment in harsh conditions such as industrial sites, parking lots, or outdoor facilities.

  • Dust resistant
  • Water proof

Flexible Power Options

Supports PoE, PoE+, and PoE++ standards, enabling compatibility with various network switches and power injectors for simplified cabling and reduced infrastructure costs.

  • PoE/PoE+/PoE++
  • Wired connectivity

Deployment / Use Cases

The GSC3518HS is ideal for security, access control, paging, and outdoor applications where reliable audible signaling is essential. Its SIP and multicast capabilities make it a versatile component in IP-based communication systems, supporting scenarios from emergency alerts to routine public address announcements.

In security deployments, the speaker can integrate with intrusion detection or surveillance systems to provide audible alarms during breaches. For access control, it enables talk-back functionality at entry points, while in paging setups, it supports one-way or two-way audio broadcasting across campuses, warehouses, or retail environments.

Security & Alarm Systems

Provides high-volume audible alerts for intrusion detection, fire alarms, or emergency notifications, enhancing situational awareness and response times in commercial or industrial settings.

Access Control & Intercom

Enables talk-back communication at gates, doors, or checkpoints, integrating with IP-based access control systems for secure entry management and visitor interaction.

[custom-highlights]

Highlights

  • 126 dB(A) audible sound emission for high-volume alerts
  • IP66 rating for dust-proof and water-resistant durability
  • Supports PoE, PoE+, and PoE++ power standards
  • Wired connectivity with SIP and multicast protocol support
  • Designed for security, access control, paging, and outdoor use
  • 1-year limited warranty for reliable performance assurance
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerGrandstream Networks, Inc
Manufacturer Part NumberGSC3518HS
Brand NameGrandstream
Product ModelGSC3518HS
Product NameGSC3518HS SIP/Multicast Talk-Back Horn Speaker
Product TypePA Horn
Technical Information
Connectivity TechnologyWired
Alarm TypeAudible
Sound Emission (A-Weighted)126 dB(A)
Ingress Protection (IP) RatingIP66
DurabilityDust Resistant,Water Resistant,Water Proof,Dust Proof
Power Description
Power SourcePoE+,PoE,PoE++
Physical Characteristics
Application/UsageSecurity,Access Control,Paging,Outdoor
Warranty
Limited Warranty1 Year
[/custom-specifications][custom-user-manual]

User Manual

This section contains official documentation provided by the manufacturer, including product manuals, brochures, and supplementary materials.
[/custom-user-manual][custom-faq]

FAQ

What is the sound output level of the GSC3518HS horn speaker?

The GSC3518HS delivers 126 dB(A) sound emission, providing high-volume audible output suitable for large-area coverage in security, paging, or outdoor environments. This level ensures clear alerts even in noisy settings.

What IP rating does this speaker have for outdoor use?

It features an IP66 ingress protection rating, making it dust-proof and water-resistant. This allows reliable operation in harsh conditions like industrial sites or outdoor facilities where exposure to elements is a concern.

What power options are supported by the GSC3518HS?

The speaker supports PoE, PoE+, and PoE++ standards, enabling flexible power delivery over Ethernet cables. This simplifies installation by eliminating separate power supplies and reduces cabling complexity.

How does the GSC3518HS connect to network systems?

It uses wired connectivity technology and supports SIP and multicast protocols, allowing integration with IP-based communication platforms for talk-back, paging, or alarm functions in security and access control deployments.

What applications is this horn speaker designed for?

The GSC3518HS is designed for security, access control, paging, and outdoor applications. It provides audible signaling for alarms, talk-back communication at entry points, or public address broadcasting in commercial or industrial settings.

What warranty coverage is included with the GSC3518HS?

Grandstream provides a 1-year limited warranty for the GSC3518HS, ensuring reliable performance and support for defects in materials or workmanship under normal use conditions.

[/custom-faq]
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Grandstream GSC3518HS SIP/Multicast Talk-Back Horn Speaker - 126 dB(A) Audible - IP66 - PoE/PoE+/PoE++
MSRP: $330.95
$330.95
$300.95
Save: $30.00 (9.06%)
Available & Ready to Ship