SKU: 90300869395

Grandstream GSC3505 SIP Speaker Intercom with 10/100 POE+

Sale price$116.97 Regular price$129.97
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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Description

Grandstream GSC3505 SIP Speaker Intercom with 10/100 POE+DescriptionSpecificationsShipping 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

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 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 anno uncement 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+
  • Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 90300869395

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    4.3 ★★★★★
    Based on 23 reviews
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    Verified Purchase
    Robin Smith
    Natrona Heights, US
    ★★★★★ 5
    how good the product is
    Item Package Quantity: 4, Size: Standard
    These pillows are soft, fluffy, and surprisingly supportive for the price. They’re comfortable no matter how you sleep — whether on your side, back, or stomach — and they maintain their shape well overnight without going flat. The fabric cover feels smooth and breathable, keeping things cool through the night. After a few days of fluffing and use, they settle nicely into a perfect medium firmness. They also wash and dry easily without clumping. Overall, a great‑value pillow set that offers comfort, versatility, and quality — ideal if you need an affordable yet cozy bedding refresh.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 10, 2026
    J
    Verified Purchase
    “Just Me”, LMT
    Massapequa, US
    ★★★★★ 5
    Great Quality for a Great Proce!
    Item Package Quantity: 2, Size: King
    These pillows are very comfortable and maintain their shape. Quality is as described at a comfortable price for the quality! The pillows are comfortable; not overly firm nor flat. The density is medium and supportive; very comfortable!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 24, 2026
    M
    Verified Purchase
    MF
    Natrona Heights, US
    ★★★★★ 5
    Firm and comfortable
    Item Package Quantity: 2, Size: Standard
    These pillows are well made. Firm, yet comfortable. I am pretty rough with my pillows. I toss and turn frequently. After one year, they are still holding up.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 17, 2026
    J
    Verified Purchase
    Japilla
    Dallas, US
    ★★★★★ 4
    Quite good. I am actually surprised. Too small for queensize
    Item Package Quantity: 2, Size: Queen
    These pillows are actually good. After reading a ton of reviews I pulled the trigger on these. I was 100% sure I was going to receive bad quality pillows (too flat or too thick). They do take 24-48 hours to firmen up. Let's see if they flatten out in a few weeks or if they hold up. My wife said the pillow was too thick and it raised her head too much. I don't agree, I sleep perfect on these, no neck pain in the morning. Update 04/24 These are actually quite small to be considered queen pillows. They have become firm over the last few days.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 20, 2026
    S
    Verified Purchase
    S. Alverson
    Belleville, US
    ★★★★★ 5
    Full, Fluffy & Perfectly Supportive Euro Pillows!
    Item Package Quantity: 2, Size: European, Item Package Quantity: 2, Size: European
    These Euro size pillow inserts are fantastic! They’re soft, full, fluffy, and hold their shape very well. The firmness is perfect — supportive without feeling too hard. They filled my pillow covers beautifully and made the bed look much more luxurious. Great quality for the price and very comfortable for lounging or sleeping. Very happy with this purchase!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 13, 2026

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