{"product_id":"gsc3506v2-grandstream-gsc3506v2-one-way-sip-multicast-intercom-speaker-no-mic-30-watt-speaker","title":"GSC3506V2 - Grandstream GSC3506V2 One way SIP\/Multicast Intercom Speaker\/ No Mic 30 Watt Speaker","description":"\u003cstyle\u003e.kw-desc ul{padding-left:20px;margin:0}.kw-desc li{margin-bottom:6px}\u003c\/style\u003e\n\u003cdiv class=\"kw-desc\" itemscope itemtype=\"http:\/\/schema.org\/Product\" style=\"font-family:'Helvetica Neue',Arial,sans-serif;color:#333;line-height:1.7;max-width:860px;\"\u003e\n  \u003cmeta itemprop=\"brand\" content=\"Grandstream\"\u003e\n  \u003cmeta itemprop=\"sku\" content=\"GSC3506V2\"\u003e\n  \u003cdiv style=\"margin-bottom:20px;\"\u003e\n    \n    \u003ch2 itemprop=\"name\" style=\"font-size:22px;font-weight:700;color:#111;margin:0 0 12px 0;\"\u003eGSC3506V2 - Grandstream GSC3506V2 One way SIP\/Multicast Intercom Speaker\/ No Mic 30 Watt Speaker\u003c\/h2\u003e\n    \u003cdiv itemprop=\"description\"\u003e\n    \u003cdiv class=\"kw-advanced-pbtech\" style=\"font-family:'Helvetica Neue',Arial,sans-serif;color:#333;line-height:1.7;max-width:860px;margin:0 auto;\"\u003e\n        \u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:24px 0 12px 0;border-bottom:2px solid #eaeaea;padding-bottom:8px;\"\u003eFeatures\u003c\/h2\u003e\n\u003cdiv data-block=\"features\" data-scroll-amount=\"100\" data-scroll-top=\"true\" data-trigger-css=\"d-xl-none\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cdiv style=\"margin:24px 0;max-width:800px;\"\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:8px;\"\u003e\u003ciframe allowfullscreen=\"allowfullscreen\" frameborder=\"0\" referrerpolicy=\"strict-origin-when-cross-origin\" src=\"https:\/\/www.youtube.com\/embed\/OmEKNC9e70M?rel=0\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003cp style=\"margin-bottom:16px;font-size:15px;line-height:1.6;color:#444;\"\u003eThe 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.\u003c\/p\u003e\n\u003cp style=\"margin-bottom:16px;font-size:15px;line-height:1.6;color:#444;\"\u003e- 30W high-fidelity speaker with HD acoustic chamber\u003cbr\u003e- Supports SIP paging, multicast paging, call waiting with priority override, and more\u003cbr\u003e- Supports full-band and wide-band audio codecs, including Opus and G.722\u003cbr\u003e- 1x 3-pin differential line out port\u003cbr\u003e- 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\u003cbr\u003e- One 10\/100Mbps network port with PoE\/PoE+\/PoE++\u003c\/p\u003e\n\u003cp style=\"margin-bottom:16px;font-size:15px;line-height:1.6;color:#444;\"\u003e\u003cimg src=\"https:\/\/www.pbtech.co.nz\/fileslib\/_20250422133437_431.png\" style=\"max-width: 100%; height: auto; display: block; margin: 16px auto; border-radius: 6px;\"\u003e\u003c\/p\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size:22px;font-weight:700;color:#111;margin:24px 0 12px 0;border-bottom:2px solid #eaeaea;padding-bottom:8px;\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv data-block=\"specifications\" data-scroll-amount=\"100\" data-scroll-top=\"true\" data-trigger-css=\"d-xl-none\"\u003e\n\u003cdiv\u003e\n\u003ch3 style=\"font-size:18px;font-weight:600;color:#222;margin:20px 0 10px 0;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:14px;margin-top:8px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eGrandstream\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eGSC3506V2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eProtocols\/Standards\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eSIP 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®\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eNetwork Interfaces\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003e1x 10\/100 Mbps port with integrated PoE\/PoE+\/PoE++\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eAuxiliary Ports\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003e1x 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eVoice Codecs and Capabilities\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eG.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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eTelephony Features\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eSIP paging, Multicast paging, Group paging, Push-to-talk (PTT), Call-waiting with priority override\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eHD Audio\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eHD speaker with support for full-band audio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eSpeaker\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003e30W high-fidelity HD speaker (coaxial)Frequency: 110Hz-20000 HzSensitivity: Up to 95 dBA at 1W power at 1 meterMaximum Sound Pressure Level (SPL): 99dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eQoS\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eLayer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eMemory\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003e256MB RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eSecurity\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eUser 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eMulti-language\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eEnglish, German, French, Spanish, Portuguese, Russian, and Chinese\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eUpgrade\/Provisioning\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eFirmware upgrade via TFTP \/ HTTP \/ HTTPS or local HTTP upload, mass provisioning using GDMS\/TR069 or AES encrypted XML configuration file\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003ePower \u0026amp; Green Energy Efficiency\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003e2-pin DC input: 24VDC \/ 2.5AIntegrated PoE 802.3af Class 3, PoE+ 802.3at Class 4, PoE++ 802.3bt Class 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eTemperature and Humidity\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eOperation: 0°C to 45°CStorage: -10°C to 60°CHumidity: 10% to 90% Non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eDimensions\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003e257.5mm (diameter) x 118mm (depth)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003e2.14kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:9px 14px;background:#f8f8f8;width:35%;font-weight:600;text-align:left;\"\u003eCompliance\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:9px 14px;\"\u003eFCC: 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \n\u003cdiv style=\"margin: 24px 0; padding: 14px 18px; background: #f0f7ff; border-left: 4px solid #0070f3; border-radius: 4px;\"\u003e\n  \u003cstrong style=\"color: #0070f3;\"\u003e🚚 7-Day Returns Policy\u003c\/strong\u003e\n  \u003cp style=\"margin: 6px 0 0; color: #333; font-size: 14px;\"\u003e\n    Not happy? Return within \u003cstrong\u003e7 days\u003c\/strong\u003e of delivery for a full refund or exchange.\n    Items must be unused and in original packaging.\n    Contact \u003ca href=\"mailto:contact@kwtech.co.nz\" style=\"color:#0070f3;\"\u003econtact@kwtech.co.nz\u003c\/a\u003e to arrange.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Grandstream","offers":[{"title":"Default Title","offer_id":67014997016621,"sku":"GSC3506V2","price":230.77,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/5088\/2861\/files\/NETGSM26123.jpg?v=1783757372","url":"https:\/\/kwtech.co.nz\/products\/gsc3506v2-grandstream-gsc3506v2-one-way-sip-multicast-intercom-speaker-no-mic-30-watt-speaker","provider":"KW Tech","version":"1.0","type":"link"}