Professional PA system server JWDT51-200 with multiple input ports, power supply, and control panel for public address and sound reinforcement applications.

PA System Server JWDT51-200

Serving as the core of a modern IP-based public address system, this server adopts a networked architecture to centrally manage audio streams and devices across the entire network. It enables intelligent, zoned, and customizable public broadcasting through functions such as scheduled announcements, live microphone input, playback of pre-recorded messages and background music, and full system configuration via an intuitive network interface—making audio distribution more efficient and system operation more streamlined.

Widely used in：

MARINE ENVIRONMENT

HIGHWAY SHOULDER

SUBWAY STATION

TUNNEL

UNDERGROUND FACILITY

RAILWAY PLATFORM

MINING SITE

OTHERS

KEY FEATURES

Compact 1U rack-mount design with industrial-grade reliability for 24/7 operation.

Built on standard SIP protocol for seamless NGN/VoIP integration and multi-vendor compatibility.

Unified platform integrating communication, broadcasting, recording, conferencing, and management. Supports distributed deployment with multi-dispatch station operations.

High-definition audio with 320 Kbps MP3 broadcast and G.722 wideband voice coding, enhanced by echo cancellation.

Multi-system convergence — combines intercom, PA, security alarm, access control, telephony, and surveillance.

Multilingual interface (EN/CN), scalable IP users, call setup <1.5s, success rate >99%.

Includes 4 conference rooms, each supporting up to 128 participants.

Support users	WDTA51-200, 200 registered users
Working voltage	220/48V dual voltage
Power	300w
Network interface	2 10/100/1000M adaptive Ethernet interfaces, RJ45 Console port
USB interface	2xUSB 2.0; 2xUSB 3.0
Display interface	VGA
Audio interface	AUDIO INx1; AUDIO OUTx1
Processor	CPU>3.0Ghz
Memory	DDR3 16G
Motherboard	Industrial-grade motherboard
Signaling protocol	SIP, RTP/RTCP/SRTP

PACKAGE

The packaging features impact-resistant materials and clear labeling for easy handling, with OEM and custom packaging options available.

FREQUENTLY ASKED QUESTIONS

Is this system compatible with our existing network and audio equipment?

Yes. The system is built on the standard SIP protocol, ensuring seamless integration into existing IP networks (NGN/VoIP). It is designed for strong interoperability with SIP-compatible devices from other manufacturers, allowing you to leverage much of your current infrastructure.

How difficult is it to install and configure?

Installation is straightforward. The core server uses a standard 1U rack-mount design. Since it operates over your IP network, it significantly reduces the need for extensive new audio cabling. The centralized web-based management interface provides an intuitive platform for configuring zones, schedules, and user permissions.

Can it truly integrate with our security, access control, and phone systems?

Absolutely. This is a core strength of the solution. It acts as a unified communication hub, designed to interface with and manage alerts from security systems, trigger broadcasts from access control events, and interconnect with your telephony system (PBX) for paging and emergency calls.

This integrated IP-PA system server serves as a unified communication core, ideal for environments requiring reliable, zone-based audio and emergency broadcast capabilities.

It is widely applied in:

Education: For class bells, background music, and emergency alerts.

Transportation Hubs: For clear passenger information and public announcements.

Industrial & Corporate Campuses: For safety paging, work instructions, and operational communication.

Commercial Spaces: For background music and integrated security management.

By converging audio, intercom, and alarm systems onto one platform, it streamlines daily operations and ensures critical communication during emergencies.

Our IP Network Broadcast System Solution is built around a core server, creating a complete, flexible, and future-ready architecture for public address and communication. It deeply integrates traditional audio broadcasting, emergency alerts, intercom, multi-party dispatch, and daily communication management onto a unified IP network platform, achieving comprehensive digitalization and intelligent management from hardware deployment to software control.

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