Grandstream GSC3518HS
SIP/multicast talk-back horn speaker, up to 126 dBA with a 50W speaker
Key facts
- Part number
- GSC3518HS
- Brand
- Grandstream
- Category
- Other
- Equivalent part numbers
- 6947273705819(UPC)
- Price
- AUD 350≈ USD 244 Reference price (RRP)
- Availability
- On request — ask for a quote
Overview
Grandstream GSC3518HS is a rugged SIP/multicast talk-back horn speaker designed for large indoor and outdoor venues, delivering up to 126 dBA with a 50W speaker, IP66-rated weatherproofing, and advanced AI noise reduction for crystal-clear communication. It’s ideal for schools, hospitals, warehouses, parks, and public spaces where powerful announcements and two-way communication are needed.
Key Features
High-Power Audio
50W high-fidelity speaker
Loudness up to 126 dBA for wide coverage
Crystal-clear HD audio output
Durability & Protection
IP66-rated dust and water resistance
Stainless steel housing for extreme weather conditions
Suitable for outdoor environments like playgrounds, parks, and warehouses
Smart Communication
SIP and multicast support for integration with VoIP systems
Talk-back functionality with 3 built-in microphones
AI-based noise reduction for clear communication even in noisy environments
Intelligent text-to-speech capability
Power & Connectivity
PoE++ input and PoE+ output for device cascading
Easy integration into existing network infrastructure
Design
Modern industrial look
Sturdy mounting bracket for reliable installation
Reference price history
Recorded reference and list prices over time. Not Prology selling prices.
- Latest
- AUD 350≈ USD 244
- Oct 2026
- Lowest recorded
- AUD 350≈ USD 244
- Highest recorded
- AUD 350≈ USD 244
- Recorded
- 2026
- 1 price point
AUD 350 rrp, recorded
Buy or sell Grandstream GSC3518HS
Buying Grandstream
Looking to buy the Grandstream GSC3518HS? Prology supplies new, refurbished and used Grandstream in Australia and the United States. Send the part number and quantity for a firm price.
Selling Grandstream
Have a spare or decommissioned GSC3518HS? Prology buys used and surplus Grandstream — single units or whole lots — and replies with an offer within 1 business day. Sell your GSC3518HS.
- What is the Grandstream GSC3518HS?
- The Grandstream GSC3518HS is an IT hardware part from Grandstream – SIP/multicast talk-back horn speaker, up to 126 dBA with a 50W speaker, IP66-rated. It is also listed under 6947273705819.
- How much does the Grandstream GSC3518HS cost?
- The reference price on record is AUD 350 (Oct 2026). It is a reference figure, not a selling price — ask Prology for a firm quote.
- Where can I buy the Grandstream GSC3518HS?
- It is not listed on the Prology store yet. Prology sources Grandstream on request — request a quote and we reply with a firm price and lead time within 1 business day.
- Can I sell a used Grandstream GSC3518HS?
- Yes. Prology buys used and surplus Grandstream, including the GSC3518HS. Get an offer — sell outright or trade in against your next order.
Request a quote for GSC3518HS
Tell us the quantity and condition you need. Prology replies with a firm price and lead time within 1 business day.