Call 888-654-3376
888-654-3376
My Account
Grandstream GSC3516 SIP/Multicast Talk-Back IP Speaker (15W HD)
-
20,000+★★★★★5 Star Reviews
Free Shipping on Orders of $500+ *
Satisfaction Guaranteed
Grandstream GSC3516 SIP/Multicast Talk-Back IP Speaker
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.
Key Features
- 15W High-Fidelity HD Speaker: Delivers superior sound quality with a frequency range of 110Hz-20000Hz and up to 90 dBA max SPL
- Advanced Microphone Array: Features 3 directional microphones with Multichannel Microphone Array Design (MMAD) and beam-forming capability, plus 1 omnidirectional auxiliary microphone for 4.2-meter voice pickup distance
- Comprehensive Paging Capabilities: Supports SIP Paging, Multicast Paging, Group Paging, and PTT (Push-to-Talk) with call-waiting priority override
- Flexible Connectivity: Integrated PoE/PoE+ (802.3af/802.3at), dual-band Wi-Fi (2.4GHz & 5GHz, 802.11 a/b/g/n/ac), and Bluetooth 2.1 + EDR + BT5.0
- HD Audio Quality: Full-band audio support with 48KHz voice sampling frequency and advanced acoustic echo cancellation
- Enhanced Security: MD5/MD5-sess based authentication with 256-bit AES encrypted configuration file, plus built-in whitelists/blacklists/greylists
- Durable Design: Cleanable exterior surface with operating temperature range of 0°C to 45°C
Versatile Communication Solution
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.
Technical Specifications
- Manufacturer: Grandstream
- Model: GSC3516
- Speaker: 15W HD (110Hz-20000Hz, up to 90 dBA max SPL)
- Microphones: 3 directional + 1 omnidirectional (4.2-meter pickup distance)
- Network Interface: 10/100 Mbps with integrated PoE/PoE+
- Wireless: Dual-band Wi-Fi (802.11 a/b/g/n/ac) and Bluetooth 2.1 + EDR + BT5.0
- Audio Codecs: G.711µ/a, G.722, G.726-32, iLBC, Opus, G.723, G.729A/B
- Dimensions: 10.12" diameter x 2.70" depth
- Installation: Ceiling mount (mounting kits included)
- Auxiliary Port: 2-pin multi-purpose input for peripherals and Reset port
- Operating Conditions: 0°C to 45°C, 10% to 90% non-condensing humidity
Included
- 1x GSC3516 SIP/Multicast Talk-Back Speaker
- 1x Mounting kits
- 1x Quick installation guide
Optional Accessories
- Ceiling Mount Kit (GSC3506-CB)
- PoE Injector (GS-POE30W-MG)
Why Buy from PC Liquidations
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.
New Product
These products are brand new and have never been used. They arrive in the original manufacturer packaging in pristine, factory-fresh condition.
GSC3516 SIP/Multicast Talk-Back IP Technical Specs
| 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 |
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
- No restocking fees, ever
- Refund or store credit — your choice
- 30 days from invoice date
- Return in original condition, securely packed
Fast Shipping
- Ships within 2 business days*
- Rush & Saturday delivery available — call us
- Free ground shipping available (continental US orders over $500)
- Overnight delivery available
1-Year Warranty
- Covers defects & functional failures
- Normal business use, from date of purchase
- Batteries: 90 days (consumable)
- Excludes misuse, modification, mishandling
Need help finding the right product?
Our team is ready with expert support before and after your purchase.
*Shipping and delivery on business days. Purchaser is responsible for return shipping costs and insurance. Free/fixed shipping offers exclude palletized items — call for freight rates.
