The Grandstream GSC3506 is a versatile 1-way SIP speaker designed for seamless public address systems in offices, schools, hospitals, apartments, and more. Equipped with a powerful 30-Watt high-fidelity HD speaker, it delivers crystal-clear audio for announcements and notifications. This device supports SIP and multicast paging, group paging, and push-to-talk (PTT), making it a reliable choice for enhancing security and communication.

With built-in whitelist, blacklist, and greylist features to manage call permissions, the GSC3506 ensures control and security in your communication system. Its modern, industrial design complements various environments, making it a robust and user-friendly solution for public address and security needs.

Brand New - A brand-new, unused, unopened, undamaged item in its original packaging.

This item comes with a 12-month manufacturer's warranty.

• Speaker with HD acoustic chamber
• SIP paging, multicast paging, group paging, PTT, call-waiting with priority override
• Full-band and wide-band audio codec support including Opus & G.722
• 1x 2-pin switch-in input port, 1x Alarm-in input port, vol+/- Key, reset, 1x network port, 1x USB port
• One 10/100Mbps network port with PoE/ PoE+

• Product Type: One-Way SIP Intercom Speaker
• Applications: Offices, schools, hospitals, apartments, and public address systems
• Protocols/Standards: SIP RFC3261, RTP/RTCP, HTTPS, DHCP, TLS, SRTP, IPv6, OpenVPN, and more.
• Network Interface: 10/100 Mbps Ethernet port with PoE/PoE+.
• Auxiliary Port: 2-pin switch-in input, Alarm-in input, vol+/-, reset, and network port.
• USB: USB 2.0 for external storage.
• Voice Codecs: G.711, G.722, Opus, G.729, and others with advanced audio features like VAD and PLC.
• Telephony Features: SIP Paging, Multicast Paging, Group Paging, PTT, call-waiting with priority override.
• HD Audio: Yes, with full-band HD speaker support.
• Speaker Specs:
- 30W HD coaxial speaker.
- Frequency: 110Hz-20,000Hz.
- Sensitivity: Up to 95 dBA at 1W, 1 meter.
- QoS: Layer 2/3 QoS support.
• Security: Encrypted files, secure boot, 802.1x media access control, TLS, SRTP.
• Multi-language: Supports major languages like English, German, Spanish, and more.
• Upgrade/Provisioning: TFTP/HTTP/HTTPS upgrades; mass provisioning via GDMS/TR069.
• Power: PoE (802.3af Class 3) and PoE+ (802.3at Class 4).

• Grandstream GSC3506 One Way SIP Intercom Speaker
• Mounting hole cut-Out template
• User Guide

Do you have a question about this product? Please call 1800 90 90 99.