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    Grandstream GSC3516 2-Way HD Audio SIP Talk-Back Speaker

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    GSC3516
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    Grandstream GSC3516 2-Way HD Audio SIP Talk-Back Speaker 


    FEATURE

    • The Grandstream GSC3516 2-Way HD Audio SIP Talk-Back Speaker is a professional IP audio device designed for clear two-way communication in business and commercial environments. It combines high-quality audio, SIP functionality, and talk-back communication in a compact speaker system. It is suitable for offices, schools, warehouses, healthcare facilities, retail stores, reception areas, and other locations where reliable voice communication is important.
    • The GSC3516 supports two-way HD audio, allowing users not only to receive announcements but also to respond through the device. This makes it useful for intercom-style communication, staff coordination, reception communication, and other situations where both parties need to speak and listen. The clear audio design helps make conversations easier to understand in busy professional environments.
    • As a SIP-enabled speaker, the GSC3516 can work with compatible IP telephony and communication systems. It can be integrated into a business VoIP network, allowing organisations to use their existing communication infrastructure for voice and paging applications. This makes it a flexible option for businesses that are moving from traditional analogue communication systems to modern network-based solutions.
    • The speaker can also support multicast paging, making it useful for distributing announcements to multiple compatible devices across a network. Businesses can use this feature for staff notifications, general announcements, operational messages, and other important communications. In larger facilities, multiple speakers can be deployed in different areas to create a wider communication system.
    • Its professional design makes the GSC3516 suitable for wall or other appropriate installations where clear audio coverage is required. The device can be positioned in areas where users need convenient access to two-way communication without relying on a traditional telephone handset.
    • The Grandstream GSC3516 is particularly useful in environments where quick communication is essential. Schools can use it for classroom and staff communication, warehouses can use it for operational announcements, and offices can use it for reception or internal communication. Retail and healthcare environments can also benefit from its network-based audio capabilities.
    • Overall, the GSC3516 provides a practical combination of HD audio, SIP communication, talk-back functionality, and network-based paging. It is designed for organisations looking for a reliable and flexible IP audio solution that can support both announcements and two-way conversations.
    • With its business-focused features and compatibility with modern VoIP environments, the Grandstream GSC3516 2-Way HD Audio SIP Talk-Back Speaker is a useful choice for professional communication, paging, intercom, and network audio applications.

    SPECIFICATION

    Brand

    Grandstrem

    Model

    GSC3516

    Color

    White

    Product Type

    SIP / Multicast Talk-Back Speaker

    Audio

    2-Way HD Audio

    Speaker Power

    15W High-Fidelity HD Speaker

    Frequency Range

    110Hz – 20kHz

    Microphones

    3 Directional + 1 Omnidirectional Auxiliary Microphone

    Microphone Pickup

    Up to 4.2 metres

    Audio Features

    Full-Duplex Speakerphone, Acoustic Echo Cancellation

    Network Interface

    1 × 10/100 Mbps Ethernet

    PoE Support

    PoE / PoE+

    Wi-Fi

    Dual-Band 2.4GHz & 5GHz, 802.11 a/b/g/n/ac

    Bluetooth

    Integrated Bluetooth

    Telephony Features

    SIP Paging, Multicast Paging, Group Paging, Push-to-Talk, Call Waiting

    Audio Codecs

    G.711, G.722, G.726, iLBC, Opus, G.723, G.729A/B

    Auxiliary Port

    1 × 2-Pin Multi-Purpose Input

    Operating System

    Linux

    Security

    TLS, SRTP, HTTPS, 802.1x, Secure Boot

    Mounting

    Mounting Kit Included

    Operating Temperature

    0°C – 45°C

    Dimensions

    25.7 cm Diameter × 6.85 cm Depth

    Product Weight

    0.92 kg

    Warranty 

    1 Year Limited Warranty

    Note

    *Features, Price and Specifications are subject to change without notice.

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