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The Grandstream GSC3516 is a high-performance IP speaker designed for modern business communication environments. This ceiling-mounted solution delivers crystal-clear audio and 2-way voice functionality, making it ideal for paging, announcements, and interactive communication in offices, schools, warehouses, and retail spaces.
The GSC3516 transforms your communication infrastructure with its 2-way voice functionality, enabling both broadcasting and interactive conversations. Whether you need to make building-wide announcements, coordinate teams across large facilities, or enable hands-free communication in conference rooms, this IP speaker delivers reliable performance. The multi-purpose auxiliary input port supports peripherals like call buttons, expanding functionality to meet your specific operational needs. The wide codec support (G.711µ/a, G.722, G.726-32, iLBC, Opus, G.723, G.729A/B) ensures compatibility with various VoIP systems.
When you choose this Grandstream GSC3516 IP speaker, you're backed by over 250,000 happy customers who trust our commitment to quality and service. Our A+ certified technicians ensure every product meets rigorous standards, and all products include warranties for your peace of mind. We understand that reliable communication equipment is critical for your business operations, which is why we stand behind every product we sell.
Upgrade your communication infrastructure with the Grandstream GSC3516 and enjoy the benefits of a versatile, high-quality IP speaker solution that meets the demands of today's connected workplaces.
These products are brand new and have never been used. They arrive in the original manufacturer packaging in pristine, factory-fresh condition.
| Manufacturer | Grandstream |
|---|---|
| Model | GSC3516 |
| Speaker | 15W high-fidelity HD speaker (Frequency: 110Hz-20000 Hz) |
| Max SPL | up to 90 dBA |
| Microphone | 3 directional microphones with Multichannel Microphone Array Design (MMAD) and beam-forming capability, plus 1 omnidirectional auxiliary microphone |
| Voice Pickup | 4.2 meter pickup distance |
| Telephony Features | SIP Paging, Multicast Paging, Group Paging, PTT (Push-to-Talk), Call-waiting with priority over-ride, and Bluetooth SCO call |
| HD Audio | Yes, features an HD speakerphone with support for full band audio and a 48KHz voice sampling frequency |
| Audio Codecs | G.711µ/a, G.722 (wide-band), G.726-32, iLBC, Opus, G.723, G.729A/B |
| Network Interfaces | One 10/100 Mbps port with integrated PoE/PoE+ |
| PoE | Integrated PoE* 802.3af Class 3, PoE+ 802.3at Class 4 |
| Wi-Fi | Yes, integrated dual-band 2.4 & 5GHz Wi-Fi with 802.11 a/b/g/n/ac |
| Bluetooth | Yes, integrated Bluetooth 2.1 + Enhanced Data Rate (EDR) + BT5.0 |
| Auxiliary Port | One 2-pin multi-purpose input port to support peripherals like call buttons, and a Reset port |
| Durability | Features a cleanable exterior surface. Operating conditions support temperatures from 0°C to 45°C and 10% to 90% non-condensing humidity |
| OS (Operating System) | Linux |
| Special Features | 2-way voice functionality, advanced acoustic echo cancellation, built-in whitelists/blacklists/greylists to block unwanted calls, and MD5/MD5-sess based authentication with a 256-bit AES encrypted configuration file |
| Dimensions | 10.12 inches in diameter and 2.70 inches in depth |
| Installation Type | Ceiling installation using the included mounting kits |
| Optional Accessories | Ceiling Mount Kit (GSC3506-CB) PoE Injector (GS-POE30W-MG) |
| Included | 1x GSC3516 SIP/Multicast Talk-Back Speaker 1x mounting kits 1x quick installation guide |
Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.
If you need assistance finding a different product our awesome staff is ready to help. Contact us for expert support.
All products purchased from us are covered by a 1-year warranty from the date of purchase, covering manufacturing defects and functional failures under normal business use.
Please note that batteries are an exception to this policy. Batteries are covered by a 90-day warranty due to their consumable nature.
This warranty does not cover damage caused by misuse, unauthorized modifications, or improper handling. For any warranty claims, please contact our support team with your purchase details and a description of the issue.
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