Digital Wide-Area Intelligent Sound Reinforcement System for Schools MAG6556+MAG6557

MAG6556+MAG6557 Digital Wide-Area Intelligent Sound Reinforcement System for Schools

I. Solution Overview

With the continuous advancement of educational informatization, schools are placing increasing emphasis on the construction of classroom and campus-wide audio systems. While traditional wired sound systems can meet basic daily requirements to a certain extent, they are often limited in special scenarios such as large playgrounds, gymnasiums, and major meetings or speech events, where coverage is restricted, audio quality is prone to interference, and user mobility is limited. As a result, schools urgently require a wireless, stable, efficient, and clear audio transmission solution that allows teachers, presenters, and speakers to interact with students or audiences clearly and reliably from any location.

Design Objectives

● Wide-Area Coverage: One system to cover all key areas of the campus.

● Seamless Roaming: Speakers can move freely within the coverage area with automatic signal switching.

● One-Click Management: Centralized control of all receiving points through the intelligent host.

● Professional Sound Quality: Digital noise reduction and true diversity reception ensure clear and pure voice transmission.

● Zero-Latency Experience: AES67 transmission protocol enables real-time audio delivery.

II. Campus-Wide Event Application Solutions

Application Effects:

● The principal or guest can hold a microphone and continue speaking while moving from the auditorium to the outdoor plaza.

● The system automatically switches to the nearest receiver point without any perceptible interruption.

● The central control room monitors the signal status of all points in real time.

● Microphone A and Microphone B can be paired with any MAG6556 receiver. When Microphone A is in use, the audio signal is automatically routed by the MAG6557 intelligent management host to Zone A. When Microphone B is in use, the signal is routed to Zone B. This enables independent control of two separate audio zones. If simultaneous output to both Zone A and Zone B is required, either microphone can send its signal via the Mix output interface of its corresponding MAG6556 receiver to the MAG6557 host, achieving synchronized audio playback across both zones. The system supports flexible zoning and mixed output modes, adapting to diverse audio distribution requirements across various scenarios.

System Advantages:

● Campus-Wide Wireless Coverage:

Operating in the UHF 632–661.25MHz band, one host can support up to 30 receivers. In open environments, coverage radius reaches 150–300 meters, allowing speakers to move freely across classrooms, auditoriums, playgrounds, and other campus areas.

● Seamless Roaming and Switching:

Multiple MAG6556 receivers form an array; the system automatically identifies the strongest signal point and switches smoothly, ensuring uninterrupted audio as the presenter moves.

● One Microphone for the Entire Venue:

With a single wireless microphone, teachers can move seamlessly from classrooms to playgrounds while continuing their lectures without interruption, achieving true campus-wide teaching mobility.

Application Effect Diagram

Within the effective coverage area, no matter where you are, simply pick up the microphone, and your voice will be clearly delivered to every listener.

III. Digital Wide-Area Intelligent Sound Reinforcement System Overview

The Digital Wide-Area Intelligent Sound Reinforcement System consists of the MAG6557 Digital Wide-Area Intelligent Audio Management Host (including the Digital Wide-Area Intelligent Management Host Configuration Tool), the MAG6556 Digital Wide-Area Wireless Microphone Receiver and wireless handheld microphones. The system enables lossless, stable, continuous, and low-latency transmission of wireless microphone audio signals. It effectively prevents signal dropouts and extends reception distance. By adopting advanced digital signal processing technology with noise reduction, the system ensures clear and reliable sound quality.

IV. MAG6557 Product Features

● Utilizes a professional audio transmission protocol with latency as low as 5ms, ensuring lossless, stable, and low-latency transmission of wireless microphone audio signals.

● Built-in automatic switching algorithm enables seamless handover between wireless microphone audio signals, disconnecting receivers with poor signal to meet the system’s scene transition requirements.

● Built-in gain-sharing algorithm allows one channel to simultaneously receive stable audio signals from 1–4 wide-area receivers.

● Built-in professional audio algorithms disconnect receivers with intermittent or unstable signals, ensuring audio integrity.

● Equipped with a built-in display screen for real-time monitoring of device functions, enhancing user operability.

● Supports both balanced and unbalanced outputs, allowing single-ended or mixed output to accommodate different connection needs across various scenarios.

● Includes a built-in switch module, supporting daisy-chain connection between devices.

● Each channel supports binding with up to 30 digital wide-area receivers for seamless switching.

IV. MAG6557 Product Features

Supports balanced outputs, single-ended outputs, and mixed outputs for both channels, greatly improving user experience.

Digital Wide-Area Wireless Audio Management Host Configuration Tool

Equipped with the Digital Wide-Area Intelligent Management Host Configuration Tool, enabling fast and efficient device discovery and management within the local area network.

MAG6556 Product Features

● UHF dual true-diversity reception technology for effectively preventing signal dropouts and extending the reception range.

● DPLL (Digital Phase-Locked Loop) multi-channel frequency synthesis technology.

● Infrared frequency matching for quick and convenient synchronization between the transmitter and receiver.

● Display screen for showing information such as frequency, channel, squelch, and audio level.

● Balanced and unbalanced output ports to accommodate different connection requirements.

● AF output via XLR connectors for separate or mixed outputs.

● Zero-latency AES67 module for real-time transmission to the host system.

MAG6556 Operating Instructions

● Step 1: Press the CH1 or CH2 button on the digital wide-area wireless microphone receiver to select a channel. Use the “▲” and “▼” buttons to quickly select the desired frequency and channel, and then press the SET button once. A series of short dashes “— — — —” will appear from left to right in the frequency display area.

● Step 2: Turn on the handheld microphone. Align the IR frequency point on the microphone (corresponding to the display area) directly with the red IR frequency point on the upper-left corner of the receiver for automatic frequency matching. Hold for 3 seconds. The infrared data will transmit the receiver’s channel parameters to the transmitter. After successful matching, the handheld microphone display will light up and show the current frequency. Simultaneously, on the receiver, multiple white signal bars will appear in the RF area and the MUTE mark will disappear. At this point, the transmitter and receiver are now synchronized. If no white signal bars appear in the RF area or the MUTE mark remains after the current frequency is displayed on the handheld microphone, the frequency matching has failed and the receiver will not function.

VI. Microphones for Digital Wide-Area Intelligent Sound Reinforcement System

Note: It is recommended to use the wireless handheld and headworn microphones.

VII. Application Scenarios

The Digital Wide-Area Intelligent Sound Reinforcement System offers a brand-new audio solution for schools and other venues, featuring lossless and stable wireless audio transmission, powerful intelligent noise reduction, low latency, and wide-area coverage. It is ideal not only for campus teaching, sports activities, and large gatherings, but also for a wide range of large-scale events, business presentations, and entertainment performances, greatly enhancing both on-site sound quality and interactive experience.