Powerful ceiling audio
A 30W coaxial speaker and HD acoustic chamber support clearer announcements across correctly designed indoor zones.
Grandstream GSC3506 v2 30W In-Ceiling SIP Multicast Paging Speaker
Not sure what you need?
Read our complete guide.
Not sure what you need?
Read our complete guide.
Grandstream • SKU GSC3506V2
A one-way 30-watt in-ceiling SIP and multicast paging speaker with full-band audio, alarm integration and PoE through PoE++ power options.
The GSC3506 v2 is built for distributed announcements and public-address coverage across offices, schools, hospitals, apartments and similar facilities. It combines a 30W high-fidelity coaxial speaker and HD acoustic chamber with SIP paging, multicast paging, group paging, push-to-talk workflows and priority override. It has no microphone for two-way intercom use.
Quick answer: Choose GSC3506 v2 for one-way network paging where in-ceiling installation, 30W audio and SIP or multicast control are required. Confirm the acoustic design, network multicast policy and power class before rollout.
A 30W coaxial speaker and HD acoustic chamber support clearer announcements across correctly designed indoor zones.
Use SIP, multicast, group paging, push-to-talk and priority override within the supported network design.
Switch input, alarm input, differential line output and USB support help connect the speaker to wider paging workflows.
A quick fit check for Australian businesses comparing equipment for users, rooms, sites or wider projects.
| Exact model | GSC3506 v2 |
|---|---|
| Audio direction | One-way speaker; no microphone |
| Speaker | 30W high-fidelity coaxial, 110Hz20kHz |
| Network | 1 × 10/100 Mbps Ethernet |
| Power | PoE 802.3af, PoE+ 802.3at, PoE++ 802.3bt or 24V DC/2.5A |
| I/O | Switch input, alarm input, 3-pin differential line out, USB 2.0 |
No. It is a one-way paging speaker and does not include a microphone.
Grandstream specifies a 30W high-fidelity coaxial speaker with an HD acoustic chamber.
Yes. It supports SIP, multicast and group paging, push-to-talk and call waiting with priority override.
Yes. It supports 802.3af PoE, 802.3at PoE+ and 802.3bt PoE++. Confirm the power budget required for the deployment.
No. The manufacturer package list does not include a power adapter. Use compatible PoE or an approved optional 24V DC/2.5A supply.
It has one 10/100 Mbps Ethernet port with integrated PoE support.
It provides switch and alarm inputs plus a three-pin differential line output for supported integrations.
Yes. Provide floor plans, zone count, ceiling type, network switches, PBX or SIP platform, required volume and quantity.
Deliver high-output announcements through an in-ceiling coaxial speaker.
Build flexible announcement zones using compatible call and multicast infrastructure.
Allow supported higher-priority pages to interrupt lower-priority audio.
Opus and G.722 support clear network audio on a correctly engineered system.
Connect supported triggers and downstream audio equipment through the onboard I/O.
Provision and maintain compatible Grandstream deployments through GDMS or supported provisioning methods.
Best for: schools, hospitals, offices, apartments, retail sites and multi-zone indoor SIP paging projects.
| DigiPhone SKU | GSC3506V2 |
|---|---|
| Product type | In-ceiling SIP and multicast paging speaker |
| Audio direction | One-way; no microphone |
| Speaker | 30W high-fidelity coaxial speaker |
| Frequency range | 110Hz20kHz |
| Maximum SPL | 99dB |
| Paging | SIP, multicast, group paging, PTT and priority override |
| Audio codecs | Includes Opus and G.722 full/wide-band support |
| Ethernet | 1 × 10/100 Mbps |
| PoE | 802.3af Class 3, 802.3at Class 4, 802.3bt Class 6 |
| DC input | 24V DC/2.5A |
| Auxiliary ports | 2-pin switch input, 2-pin alarm input, 3-pin differential line out, USB 2.0 |
| Management | GDMS/TR-069 and encrypted XML provisioning |
| Power supply | POWER SUPPLY IS NOT INCLUDED. Compatible PoE or optional DC supply required |
| Manufacturer warranty | 1-year Grandstream manufacturer warranty |
Compatibility note: Confirm SIP/PBX support, multicast and VLAN design, PoE class or optional DC supply, ceiling mounting, acoustic coverage and one-way audio requirements.
| SKU | GSC3506V2 |
| Barcode # | 6947273705123 |
| Brand | GRANDSTREAM |
| Shipping Weight | 2.9000kg |
This DigiPhone listing is supplied as an Australian version and is covered by a one-year Grandstream manufacturer warranty in Australia, subject to Grandstreams terms for this exact product. Warranty service is subject to the manufacturers terms and proof-of-purchase requirements.
Your rights under this warranty are in addition to rights available under the Australian Consumer Law. Keep your DigiPhone invoice and product serial number for any claim.
Bulk and project support: For fleet deployments, spare units or warranty planning, contact DigiPhone with the SKU and required quantity.
Grandstream • SKU GSC3506V2
A one-way 30-watt in-ceiling SIP and multicast paging speaker with full-band audio, alarm integration and PoE through PoE++ power options.
The GSC3506 v2 is built for distributed announcements and public-address coverage across offices, schools, hospitals, apartments and similar facilities. It combines a 30W high-fidelity coaxial speaker and HD acoustic chamber with SIP paging, multicast paging, group paging, push-to-talk workflows and priority override. It has no microphone for two-way intercom use.
Quick answer: Choose GSC3506 v2 for one-way network paging where in-ceiling installation, 30W audio and SIP or multicast control are required. Confirm the acoustic design, network multicast policy and power class before rollout.
A 30W coaxial speaker and HD acoustic chamber support clearer announcements across correctly designed indoor zones.
Use SIP, multicast, group paging, push-to-talk and priority override within the supported network design.
Switch input, alarm input, differential line output and USB support help connect the speaker to wider paging workflows.
A quick fit check for Australian businesses comparing equipment for users, rooms, sites or wider projects.
| Exact model | GSC3506 v2 |
|---|---|
| Audio direction | One-way speaker; no microphone |
| Speaker | 30W high-fidelity coaxial, 110Hz20kHz |
| Network | 1 × 10/100 Mbps Ethernet |
| Power | PoE 802.3af, PoE+ 802.3at, PoE++ 802.3bt or 24V DC/2.5A |
| I/O | Switch input, alarm input, 3-pin differential line out, USB 2.0 |
No. It is a one-way paging speaker and does not include a microphone.
Grandstream specifies a 30W high-fidelity coaxial speaker with an HD acoustic chamber.
Yes. It supports SIP, multicast and group paging, push-to-talk and call waiting with priority override.
Yes. It supports 802.3af PoE, 802.3at PoE+ and 802.3bt PoE++. Confirm the power budget required for the deployment.
No. The manufacturer package list does not include a power adapter. Use compatible PoE or an approved optional 24V DC/2.5A supply.
It has one 10/100 Mbps Ethernet port with integrated PoE support.
It provides switch and alarm inputs plus a three-pin differential line output for supported integrations.
Yes. Provide floor plans, zone count, ceiling type, network switches, PBX or SIP platform, required volume and quantity.
This DigiPhone listing is supplied as an Australian version and is covered by a one-year Grandstream manufacturer warranty in Australia, subject to Grandstreams terms for this exact product. Warranty service is subject to the manufacturers terms and proof-of-purchase requirements.
Your rights under this warranty are in addition to rights available under the Australian Consumer Law. Keep your DigiPhone invoice and product serial number for any claim.
Bulk and project support: For fleet deployments, spare units or warranty planning, contact DigiPhone with the SKU and required quantity.
Deliver high-output announcements through an in-ceiling coaxial speaker.
Build flexible announcement zones using compatible call and multicast infrastructure.
Allow supported higher-priority pages to interrupt lower-priority audio.
Opus and G.722 support clear network audio on a correctly engineered system.
Connect supported triggers and downstream audio equipment through the onboard I/O.
Provision and maintain compatible Grandstream deployments through GDMS or supported provisioning methods.
Best for: schools, hospitals, offices, apartments, retail sites and multi-zone indoor SIP paging projects.
| DigiPhone SKU | GSC3506V2 |
|---|---|
| Product type | In-ceiling SIP and multicast paging speaker |
| Audio direction | One-way; no microphone |
| Speaker | 30W high-fidelity coaxial speaker |
| Frequency range | 110Hz20kHz |
| Maximum SPL | 99dB |
| Paging | SIP, multicast, group paging, PTT and priority override |
| Audio codecs | Includes Opus and G.722 full/wide-band support |
| Ethernet | 1 × 10/100 Mbps |
| PoE | 802.3af Class 3, 802.3at Class 4, 802.3bt Class 6 |
| DC input | 24V DC/2.5A |
| Auxiliary ports | 2-pin switch input, 2-pin alarm input, 3-pin differential line out, USB 2.0 |
| Management | GDMS/TR-069 and encrypted XML provisioning |
| Power supply | POWER SUPPLY IS NOT INCLUDED. Compatible PoE or optional DC supply required |
| Manufacturer warranty | 1-year Grandstream manufacturer warranty |
Compatibility note: Confirm SIP/PBX support, multicast and VLAN design, PoE class or optional DC supply, ceiling mounting, acoustic coverage and one-way audio requirements.
| SKU | GSC3506V2 |
| Barcode # | 6947273705123 |
| Brand | GRANDSTREAM |
| Shipping Weight | 2.9000kg |
Copyright © 2026 DiGi Phone.
ABN: 49 168 373 519
Welcome to our website. If you continue to browse and use this website, you are agreeing to comply with and be bound by the following terms and conditions of use, which together with our privacy policy govern DiGi Phone’s relationship with you in relation to this website. If you disagree with any part of these terms and conditions, please do not use our website.
The term ‘DiGi Phone’ or ‘us’ or ‘we’ refers to the owner of the website whose registered office is U12 , 35 Redland Drive , VERMONT, VIC, 3133. Our ABN is 49 168 373 519. The term ‘you’ refers to the user or viewer of our website.
The use of this website is subject to the following terms of use:
This privacy policy sets out how we uses and protects any information that you give us when you use this website.
We are committed to ensuring that your privacy is protected. Should we ask you to provide certain information by which you can be identified when using this website, then you can be assured that it will only be used in accordance with this privacy statement.
We may change this policy from time to time by updating this page. You should check this page from time to time to ensure that you are happy with any changes.
What we collect
We may collect the following information:
What we do with the information we gather
We require this information to understand your needs and provide you with a better service, and in particular for the following reasons:
Security
We are committed to ensuring that your information is secure. In order to prevent unauthorised access or disclosure, we have put in place suitable physical, electronic and managerial procedures to safeguard and secure the information we collect online.
How we use cookies
A cookie is a small file which asks permission to be placed on your computer's hard drive. Once you agree, the file is added and the cookie helps analyse web traffic or lets you know when you visit a particular site. Cookies allow web applications to respond to you as an individual. The web application can tailor its operations to your needs, likes and dislikes by gathering and remembering information about your preferences.
We use traffic log cookies to identify which pages are being used. This helps us analyse data about webpage traffic and improve our website in order to tailor it to customer needs. We only use this information for statistical analysis purposes and then the data is removed from the system.
Overall, cookies help us provide you with a better website by enabling us to monitor which pages you find useful and which you do not. A cookie in no way gives us access to your computer or any information about you, other than the data you choose to share with us.
You can choose to accept or decline cookies. Most web browsers automatically accept cookies, but you can usually modify your browser setting to decline cookies if you prefer. This may prevent you from taking full advantage of the website.
Links to other websites
Our website may contain links to other websites of interest. However, once you have used these links to leave our site, you should note that we do not have any control over that other website. Therefore, we cannot be responsible for the protection and privacy of any information which you provide whilst visiting such sites and such sites are not governed by this privacy statement. You should exercise caution and look at the privacy statement applicable to the website in question.
Controlling your personal information
You may choose to restrict the collection or use of your personal information in the following ways:
We will not sell, distribute or lease your personal information to third parties unless we have your permission or are required by law to do so. We may use your personal information to send you promotional information about third parties which we think you may find interesting if you tell us that you wish this to happen.
If you believe that any information we are holding on you is incorrect or incomplete, please write to or email us as soon as possible at the above address. We will promptly correct any information found to be incorrect.
