Grandstream GSC3516 SIP Talk-Back Speaker with 2-Way HD Audio
Grandstream GSC3516 SIP Talk-Back Speaker with 2-Way HD Audio
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Product Description:
🔊 15W HD Audio – Delivers clear and powerful two-way voice communication for paging and intercom use.
🎙️ 4-Mic Voice Pickup – Uses 3 directional microphones plus 1 auxiliary mic for clear voice capture up to 4.2 meters.
📶 Wi-Fi, Bluetooth & PoE – Supports flexible installation with dual-band Wi-Fi, Bluetooth, and PoE network connectivity.
🗣️ SIP Talk-Back Support – Enables two-way SIP and multicast communication for intercom and announcement setups.
🔘 Peripheral Input Support – Includes a 2-pin input for compatible peripherals such as call buttons.
The Grandstream GSC3516 is a SIP/Multicast talk-back speaker designed for two-way voice communication in offices, schools, hospitals, apartments, and similar facilities. It combines a 15W HD speaker, 3 directional microphones with MMAD, an auxiliary microphone, dual-band Wi-Fi, Bluetooth, and PoE connectivity for flexible deployment. Ideal for voice intercom and paging setups, it pairs well with compatible Grandstream IP phones and GDS facility access products for integrated communication and security workflows.
Product Specifications:
| Specification | Details |
|---|---|
| Brand | Grandstream |
| Model | GSC3516 |
| Product Name | SIP/Multicast Talk-Back Speaker |
| Audio Output | High-fidelity 15W HD speaker |
| Voice Function | 2-way voice / talk-back functionality |
| Microphones | 3 directional microphones with Multichannel Microphone Array Design (MMAD) and microphone beamforming array, plus 1 omnidirectional auxiliary microphone |
| Microphone Pickup Distance | Up to 4.2 meters |
| Audio Codec Support | Full-band and wide-band audio codec support including Opus and G.722 |
| Networking | 1 x 10/100Mbps network port |
| Power over Ethernet | PoE / PoE+ |
| Wireless Connectivity | Integrated dual-band 802.11 a/b/g/n/ac Wi-Fi |
| Bluetooth | Integrated Bluetooth |
| Peripheral Support | 2-pin multi-purpose input to support peripherals including call buttons |
| Call Management | Built-in whitelist, blacklist and greylist support for blocking unwanted calls |
| Compatibility | Can be paired with Grandstream desktop IP phones, cordless IP phones and GDS series facility access products |
| Country of Origin | China |
| Warranty | 1 Year Manufacturer Warranty |
