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IP Paging
GSC3518CS / GSC3518WS Column and Wall SIP Speakers
70W Column and 40W Wall SIP Speakers with Wi-Fi 6
The Grandstream GSC3518CS and GSC3518WS are smart SIP speakers that combine communication, public paging and emergency broadcasting in one IP audio system. The GSC3518CS is a 70-Watt IP66 column speaker with SFP fiber for outdoor campuses, perimeter zones and large commercial complexes. The GSC3518WS is a 40-Watt wall speaker for classrooms, office hallways and retail spaces. Both add dual-band Wi-Fi 6, Bluetooth 5.4, text-to-speech and AI noise cancellation.
- 70W and 40W Models — Column and wall speakers
- Wi-Fi 6 and Bluetooth — Dual-band plus Bluetooth 5.4
- 3 Built-In Mics — AI noise cancellation
- SIP & Multicast — 16 SIP accounts
- GSC3518CS Column
- 70W
- GSC3518WS Wall
- 40W
- Dual-Band
- Wi-Fi 6
- SIP Accounts
- 16
Overview
Choose the GSC3518CS for wide outdoor coverage or the GSC3518WS for indoor zones, with the same smart audio platform on both.
The GSC3518HS is a 50W horn speaker built for long-throw projection, with up to 126 dB SPL and PoE output for daisy-chained wiring.
Features
- 70W Column and 40W Wall Speakers — HD speakers with a 100 Hz to 20 kHz range: up to 106 dB on the GSC3518CS and 103 dB on the GSC3518WS
- Wi-Fi 6 and Bluetooth 5.4 — Dual-band 2.4 GHz and 5 GHz Wi-Fi 6 with seamless roaming, plus Bluetooth for flexible connectivity
- AI Noise Cancellation — Three built-in microphones with up to 8 m pickup, and AI filtering that removes ambient noise
- SIP, Multicast and Text-to-Speech — Up to 16 SIP accounts, group paging and PTT, with typed text converted into live voice broadcasts
- Audio Equalizer — Vocal, bass and treble boost presets plus custom settings, with feedback cancellation on the GSC3518WS
- IP66 and SFP on GSC3518CS — IP66 protection, a -30 °C to 60 °C operating range and an SFP port for long-distance campus networks
- Local Audio on GSC3518WS — TF card slot, external speaker output and a USB-C port for an external microphone
- Zone Broadcasting and GDMS — Run as zone manager or managed endpoint, with control through GDMS UC, GDMS SecureAccess or the web UI
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View productGSC3518CS/GSC3518WS FAQ
Answers to common questions about the GSC3518CS/GSC3518WS — buying it in India, documentation and support.
What is the GSC3518CS/GSC3518WS?
The Grandstream GSC3518CS and GSC3518WS are smart SIP speakers that combine communication, public paging and emergency broadcasting in one IP audio system. The GSC3518CS is a 70-Watt IP66 column speaker with SFP fiber for outdoor campuses, perimeter zones and large commercial complexes.
What are the key features of the GSC3518CS/GSC3518WS?
Key features of the GSC3518CS/GSC3518WS include: 70W Column and 40W Wall Speakers; Wi-Fi 6 and Bluetooth 5.4; AI Noise Cancellation; SIP, Multicast and Text-to-Speech; Audio Equalizer; IP66 and SFP on GSC3518CS.
Where can I buy the GSC3518CS/GSC3518WS in India?
Cohesive Technologies is the authorised distributor of Grandstream Networks in India and supplies the GSC3518CS/GSC3518WS across the country. Call +91 120 4830000, WhatsApp +91 7290000544 or email info@grandstreamindia.com for a quote.
Where can I download the GSC3518CS/GSC3518WS datasheet?
You can download the official GSC3518CS/GSC3518WS datasheet (PDF). It lists the full technical specifications.
Is installation and support available for the GSC3518CS/GSC3518WS?
Yes. Cohesive Technologies offers consultation, installation, configuration, technical support and extended warranty for Grandstream products across India. See our support services.
What are the Grandstream GSC3518CS and GSC3518WS?
They are smart SIP speakers in the GSC3518 Series. The GSC3518CS is a 70-Watt column speaker and the GSC3518WS is a 40-Watt wall speaker, both with Wi-Fi 6, Bluetooth 5.4, text-to-speech and AI noise cancellation.
What is the difference between the GSC3518CS and GSC3518WS?
The GSC3518CS is the higher-power IP66 model, with an SFP fiber port, a second network port and wall or pole mounting. The GSC3518WS is a wall-mount indoor model that adds a TF card slot, external speaker output, USB-C port for a microphone, line out and audio feedback cancellation.
Can the GSC3518CS and GSC3518WS be used outdoors?
The GSC3518CS can. It is rated IP66, with a waterproof cable gland included, and operates from -30 °C to 60 °C. The GSC3518WS has no ingress protection rating and operates from -10 °C to 55 °C, so it is intended for indoor spaces.
How are these speakers powered?
Both accept IEEE 802.3bt Class 8 PoE++ input, with up to 71.3 W input power. The GSC3518CS can also run on 48V DC 2A. The GSC3518WS can run on 24V DC 3A, or 24V DC 4A when an external speaker is connected.
How do they compare with the GSC3518HS horn speaker?
The GSC3518HS is a 50W horn speaker built for long-throw projection, with up to 126 dB SPL and PoE output for daisy-chained wiring. The GSC3518CS and GSC3518WS offer a wider 100 Hz to 20 kHz frequency range and add Wi-Fi 6, Bluetooth 5.4 and an audio equalizer.
Can the GSC3518CS and GSC3518WS work as zone managers?
Yes. GSC3518 Series speakers can work as either a primary zone manager or a managed endpoint, providing synchronised audio across designated zones.
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