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Grandstream GSC3505 One way SIP Intercom Speaker, HD Acoustic Chamber, Built In Bluetooth+WiFi, Powerable Via POE

VOIP Phones
Low stock

1-Way Public Address SIP Speaker


The GSC3505 is a 1-way public address SIP speaker that allows offices, schools, hospitals, apartments and more to build powerful public address announcement solutions that expand security and communication. This robust SIP speaker offers crystal clear HD audio functionality with a high-fidelity 8-Watt HD speaker. The GSC3505 supports Bluetooth devices, a built-in whitelist and blacklists to easily block unwanted calls, SIP and multicast paging, and integrated dual-band Wi-Fi. By pairing the GSC3505 with other Grandstream devices, including desktop and cordless IP phones as well as the GDS series of Facility Access products, users can easily sculpt a state-of-the-art security and PA announcement solution. Thanks to its modern industrial design and rich features, the GSC3505 is the ideal SIP speaker for any setting.
Features - Speaker with HD acoustic chamber - Features SIP paging, multicast paging, callwaiting with priority override - Full-band and wide-band audio codec support including Opus & G.722 - Integrated dual-band 802.11 a/b/g/n WiFi and Bluetooth - One 10/100Mbps network port with PoE/ PoE+

We offer nation-wide delivery and our products are delivered by Australia Post.

Tracking information for your item will be emailed to you once it has been shipped.

Orders are processed within 1-2 business days and delivered between 1-10 business days, based on your location.

How can I find my tracking number?
You will be given a tracking number once your item has been despatched, and you can check its status on the Australia Post website at

If you have placed an order and have not yet received a tracking number, it's likely that the email was delivered to your spam or junk folder. Send us an email at with your order number if you still haven't received a tracking number.

Your order can be picked up in-store: 44 Pimpala Road, Morphett Vale, SA 5162

Please contact us to check stock availability before picking up your items.

Grandstream GSC3505 One way SIP Intercom Speaker, HD Acoustic Chamber, Built In Bluetooth+WiFi, Powerable Via POE
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