GSC3506V2 - Grandstream GSC3506V2 One way SIP/Multicast Intercom Speaker/ No Mic 30 Watt Speaker
GSC3506V2 - Grandstream GSC3506V2 One way SIP/Multicast Intercom Speaker/ No Mic 30 Watt Speaker
Features
The Grandstream GSC3506 V2 is a multicast paging speaker that provides a powerful paging and public address solution to expand security and communication throughout offices, schools, hospitals, apartments, and more. This high-performance SIP speaker offers crystal clear HD audio thanks to a high-fidelity 30-watt HD speaker. The GSC3506 V2 supports SIP and multicast paging, group paging, push-to-talk (PTT), and offers built-in blocklists and allowlists to easily block unwanted calls. Thanks to a sleek design, powerful HD speaker, flexible integrations, and advanced features, the GSC3506 V2 allows users to create a state-of-the-art security and paging solution for any setting.
- 30W high-fidelity speaker with HD acoustic chamber
- Supports SIP paging, multicast paging, call waiting with priority override, and more
- Supports full-band and wide-band audio codecs, including Opus and G.722
- 1x 3-pin differential line out port
- Ports include 1x 2-pin switch-in input, 1x alarm-in input, 1x DC24V, 1x network, and 1x USB port; Keys include volume up/down, and reset
- One 10/100Mbps network port with PoE/PoE+/PoE++

Specifications
Technical Specifications
| Brand | Grandstream |
|---|---|
| Manufacturer Part Number | GSC3506V2 |
| Protocols/Standards | SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR,HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, LLDP-MED, SIMPLE, LDAP,TR-069, 802.1x, TLS, SRTP, IPv6, OpenVPN® |
| Network Interfaces | 1x 10/100 Mbps port with integrated PoE/PoE+/PoE++ |
| Auxiliary Ports | 1x 2-pin switch-in input port, 1x 2-pin alarm-in input port, 1x differential line out port, 1x network port, 1x DC24V port, volume up and down key (+/-), reset USB Port USB 2.0, supports external USB storage devices |
| Voice Codecs and Capabilities | G.711µ/a, G.722 (wide-band), G.726-32, iLBC, Opus, G.723, G.729A/B, in-band and out-ofband DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, PLC, AJB, AGC, ANS |
| Telephony Features | SIP paging, Multicast paging, Group paging, Push-to-talk (PTT), Call-waiting with priority override |
| HD Audio | HD speaker with support for full-band audio |
| Speaker | 30W high-fidelity HD speaker (coaxial)Frequency: 110Hz-20000 HzSensitivity: Up to 95 dBA at 1W power at 1 meterMaximum Sound Pressure Level (SPL): 99dB |
| QoS | Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS |
| Memory | 256MB RAM |
| Security | User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control, secure boot |
| Multi-language | English, German, French, Spanish, Portuguese, Russian, and Chinese |
| Upgrade/Provisioning | Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload, mass provisioning using GDMS/TR069 or AES encrypted XML configuration file |
| Power & Green Energy Efficiency | 2-pin DC input: 24VDC / 2.5AIntegrated PoE 802.3af Class 3, PoE+ 802.3at Class 4, PoE++ 802.3bt Class 6 |
| Temperature and Humidity | Operation: 0°C to 45°CStorage: -10°C to 60°CHumidity: 10% to 90% Non-condensing |
| Dimensions | 257.5mm (diameter) x 118mm (depth) |
| Weight | 2.14kg |
| Compliance | FCC: FCC 47 CFR Part 15 Subpart BIC: ICES-003CE: EN 55032:EN 55035; EN IEC 61000-3-2: EN 61000-3-3; EN IEC 62368-1.UKCA: BS EN 55032;BS EN 55035;BS EN IEC 61000-3-2;BS EN 61000-3-3;BS EN IEC62368-1RCM: AS/NZS CISPR 32:AS/NZS 62368.1 |
Not happy? Return within 7 days of delivery for a full refund or exchange. Items must be unused and in original packaging. Contact contact@kwtech.co.nz to arrange.
| Brand | Grandstream |
|---|---|
| Product Type | B2B - Unified Comms |
| Weight | 0.5 kg |
Shipping Information
- Free NZ-wide shipping on orders over $299
- Standard delivery 2–5 business days
- Rural delivery may take an additional 1–2 days
- Same-day dispatch for orders placed before 2pm (weekdays)
Returns Policy
- 7-day returns on unused items in original packaging
- Faulty or damaged products covered under warranty
- Contact our support team to initiate a return



