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Part # : GSGSC3505
Manufacturer SKU : GSC3505
Brand : Grandstream
Warranty : 1-year Lin Haw warranty
In stock

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 WiFi.

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.


  • 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+


  • Unit Dimensions: 215.32mm (diameter) x 68.7mm (depth)

  • Unit Weight: 0.8kg, Box Weight: 1.39kg

Package Contents:

  • GSC3505 SIP Speaker

  • Mounting kits

  • Quick installation guide

  • GPL license