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IP Speakers

Tonmind SIP-S21

15W IP Horn Speaker Outdoor

The Tonmind SIP-S21 is a 15W standards-based SIP/PoE ip horn speaker for IP paging, background music and voice announcements in noisy and outdoor areas. It registers to any SIP server or to Tonmind PA System software and installs over a single PoE cable.

15W

Audio output

SIP

Standards-based

Multicast

Zoned paging

PoE

Single-cable

15W
Output
SIP
Native
Multicast
Yes
PoE
Powered

Tonmind — IP Audio, Paging & PA Systems.

IP Speakers, IP Microphones, SIP Paging Adapters & IP Audio Software

Built for Professional Communication

The Tonmind SIP-S21 is engineered for reliability, easy deployment and everyday productivity.

Clear Network Audio

Delivers intelligible 15W voice paging and background music across the zone

Outdoor-Rated

Weather-resistant horn built for yards, docks and exposed areas

SIP & Multicast

Page one endpoint over SIP or many at once over efficient multicast

Standards-Based SIP

Registers to any SIP server or PBX — Yeastar, Asterisk, 3CX, Grandstream and more

Power over Ethernet

A single PoE cable delivers audio and power for fast, single-cable installation

Tonmind PA Software

Manage, schedule and zone with Tonmind Audio Manager and PA System software

What Our Customers Say

Hear directly from businesses that have transformed their communications with Cohesive Technologies solutions.

Customer testimonial video
Cancer Institute
Customer testimonial video
Cleo Gold
Customer testimonial video
Balaji Amines Ltd
Customer testimonial video
Vitel Global Com

Tonmind SIP-S21 — Common Questions

Everything you need to know about the Tonmind SIP-S21 before you buy.

The Tonmind SIP-S21 is a 15W standards-based SIP/PoE ip horn speaker for IP paging, background music and voice announcements in noisy and outdoor areas. It registers to any SIP server or to Tonmind PA System software and installs over a single PoE cable.
Yes. The SIP-S21 is a standards-based SIP device and registers to any SIP server or IP PBX — including Yeastar, Asterisk, 3CX and Grandstream — as well as Tonmind PA System software.
Yes. The SIP-S21 is powered over Ethernet (PoE) for single-cable installation and supports SIP unicast and multicast for zoned or site-wide paging.
The Tonmind model number is SIP-S21. You can download the full datasheet from this page for detailed specifications.
The Tonmind SIP-S21 is available in India through Cohesive Technologies, the authorized Tonmind distributor for India, Sri Lanka, Nepal and the Maldives. Email sales@cohesiveglobal.com or call +91 120 4830000.