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Grandstream GSC3506 One Way Sip Intercom Speaker No Microphone 15 Watt Speaker View larger
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Grandstream GSC3506 One Way Sip Intercom Speaker No Microphone 15 Watt Speaker

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Grandstream GSC3506, One-Way SIP Intercom Speaker, 15-Watt Power, Clear Audio, No Microphone.
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Detailed Specifications

Grandstream GSC3506

One-Way SIP Intercom Speaker – 15W Paging Speaker without Microphone

The Grandstream GSC3506 is a SIP and multicast one‑way intercom speaker engineered for office buildings, schools, hospitals, retail shops, and workplaces requiring clear paging. Equipped with a 15‑watt high‑fidelity speaker, it delivers robust audio output for announcements and paging while keeping design simple with no built‑in microphone (one‑way audio only).

The GSC3506 integrates with SIP PBXs, multicast paging groups, and VoIP systems, offering easy management and reliable performance. Powered via PoE/PoE+ with flexible mounting, it is an excellent option for large‑scale campus or enterprise paging deployments.

Features :

The speaker supports multicast paging, SIP extension dialing, and full network integration through any SIP system. With HD audio drivers, high‑output speaker design, and rugged enterprise build quality, the GSC3506 ensures clear overhead announcements.

Advanced Options :

Pair the Grandstream GSC3506 with Grandstream UCM IP PBXs or third‑party SIP servers for unified paging. Through centralized cloud/device management, IT teams can easily configure paging groups, assign priorities, monitor status, and perform firmware updates.

Product Key Features

  • One‑way intercom / paging speaker
  • 15‑watt output for loud and clear announcements
  • No microphone – one‑way audio design
  • Supports SIP accounts and multicast paging
  • PoE/PoE+ powered for flexible deployment
  • Easy wall or ceiling mountable
  • HD audio with wideband codecs
  • Secure SIP communication with TLS/SRTP
  • Backed by Grandstream reliability

Reliability & Performance :

The Grandstream GSC3506 is designed to deliver loud, clear paging for enterprises, campuses, and industrial environments. Its high‑powered 15W speaker ensures full room coverage. With PoE powering, secure SIP integration, and multicast support, the device provides consistent overhead communications without complexity.

Key Features :

  • One‑way SIP paging device
  • 15W high‑output speaker
  • No microphone (page‑only)
  • PoE/PoE+ powered
  • HD audio with noise shielding
  • SIP & multicast ready
  • Multiple mounting options
  • Enterprise reliability and security

Specifications :

SpecificationDetails
Part Number GSC3506
Brand Grandstream
Product Type One‑Way SIP Paging/Intercom Speaker
Audio Channels Mono speaker, one‑way audio
Speaker Power 15W high‑output
Microphone No (one‑way audio only)
Supported Protocols SIP, Multicast
SIP Accounts Up to 2 SIP accounts
Codecs Supported Opus, G.711µ/a, G.722, G.726, iLBC
Networking 10/100 Mbps Ethernet with PoE/PoE+
Powering Options PoE (802.3af) / PoE+ (802.3at)
Mounting Wall mount / Ceiling mount
Management Web UI, GDMS, TR-069, GWN Manager
Security TLS, SRTP, WPA2 for Wi‑Fi (if applicable)
Dimensions Approx. 160mm × 160mm × 45mm
Weight ~0.9 kg
Operating Temperature 0°C ~ 40°C
Storage Temperature -10°C ~ 60°C
Compliance CE, FCC, RoHS
Applications Schools, offices, retail, hospitals, warehouses
Warranty Backed by Grandstream Limited Warranty
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  • All packages are shipped same day if the order is placed before 3PM CST

    We use UPS/FedEx to ship the packages with different service levels offered by UPS/FedEx

    Overnight Shipping take 1 business day
    Expedited Shipping take about 2-3 business days
    Ground shipping take about 3-5 business days

    You can select the desired service level at Checkout and we will make sure the package is shipped as per the selected service level.

  • We Accept

    i) PayPal
    ii) All Credit & Debit Cards
    iii) Purchase Orders
    iv) Check
    v) Bank Transfer/ACH/Wire Transfer

    To process the order through Paypal/CC, you can simply checkout and process the payment.

    If you want to issue us Purchase Order/Check/Bank Transfer, Please contact us at the following details

    Call: 469.458.9636
    Email: sales@dcsupplies.net

  • If you have any queries, please contact us at the following details and we will be happy to help

    Call
    469.458.9636
    469.458.9638

    Email
    sales@dcsupplies.net

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