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Grandstream SIP/Multicast Talk-Back Speaker, 15W Speaker GSC3516
- Full-duplex speakerphone with HD acoustic chamber, advanced acoustic echo cancellation
- 3 directional mics with MMAD & microphone beamforming array and 1 omnidirectional auxiliary microphone
- Full-band and wide-band audio codec support including Opus & G.722
- Integrated dual-band 802.11 a/b/g/n/ac Wi-Fi and Bluetooth
- One 10/100Mbps network port with PoE/PoE+
- 2-pin multi-purpose input to support peripherals including call buttons
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Overview
Specs
Reviews
GSC3516
SIP/Multicast Talk-Back Speaker
The GSC3516 is a SIP/Multicast Talk-Back Speaker that offers 2-way voice, 15W HD speaker and 3 directional microphones with MMAD and 1 omnidirectional microphone with a 4.2 meter pickup distance.
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies*
- Return for refund within: 30 days
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- This item is covered by Newegg.com's International Return Policy.
- Read full return policy for details.
- *Subject to applicable law
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
Manufacturer Contact Info
- Manufacturer Website
- Support Phone: 1-617-566-9300
- Support Website
- View other products from Grandstream
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The Grandstream GSC3516 is a 15W SIP/multicast talk-back speaker with full-duplex audio, echo cancellation, and multiple microphones, suited to offices, schools, hospitals, and apartment buildings that need networked two-way intercom or paging.
Recommended For
- Schools, clinics, and offices that need fixed, two-way room communication—such as paging staff and letting people respond through the same ceiling- or wall-mounted device.
- Businesses or institutions replacing separate paging and talk-back equipment with a SIP or multicast intercom endpoint that can handle two-way voice.
- Installers outfitting rooms where Ethernet with PoE/PoE+ is available and a fixed wall or ceiling mount is preferable to a portable speaker.
- Organizations that need a call button or similar input to trigger an audio file or a SIP call from the installed speaker.
- IT teams managing multiple Grandstream speakers across rooms or sites that want centralized device provisioning and monitoring through GDMS.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Indoor, ceiling-mounted SIP/multicast talk-back and paging installations that need two-way audio |
| Audio And Microphones | 15 W speaker output with stereo audio, a MEMS driver, and a listed frequency response of 20,000 Hz |
| Connectivity And Range | Wi-Fi, Bluetooth, and auxiliary connectivity; listed Bluetooth range is 10 m and maximum range is 4.2 m |
| Mounting And Physical Design | Indoor ceiling speaker with a 15 cm driver, rectangular-prism shape, and plastic-and-metal enclosure; white |
| Power | Corded electric |
| Compatibility | Television |
| Package Contents | Speaker, mounting kits, and Quick Start Guide |
| Weight | 0.29 kg |
| Model Identifiers | Grandstream GSC3516 |