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EZD.Mi1

UHF Single-Channel True Diversity Digital Wireless Microphone System

The EZD.Mi Series Digital Wireless Microphone System is Relacart’s upgraded professional audio solution designed to deliver stable wireless performance and clear sound quality. Powered by advanced digital technology and anti-interference features, it provides reliable signal transmission, wide frequency response, and high dynamic range for natural, distortion-free audio. The system is easy to operate and suitable for a variety of applications, including home entertainment, live performances, commercial events, and conference environments.

Product Description

The EZD.Mi Series Digital Wireless Microphone System is Relacart's newly upgraded high-performance digital wireless audio solution. Leveraging Relacart's advanced digital wireless technology, it ensures exceptional signal stability for reliable operation. EZD.MI seamlessly combines user-friendly operation with robust core performance, delivering stable and high-definition professional audio.


Equipped with a high-performance processing chip and Relacart's proprietary anti-interference technology, the system achieves a wide frequency response range of 30Hz–20kHz. It produces crystal-clear digital audio with a dynamic range exceeding 100 dB, effectively suppressing environmental noise and circuit noise to eliminate interference. This ensures the output audio remains highly consistent with the original signal, free from tonal deviation or distortion, while further guaranteeing pristine sound quality.


Ideal for diverse scenarios ranging from home entertainment and personal performances to commercial events and conference rooms.


Functional Features

User-Friendly Operation

The system features an intuitive operation logic, allowing users to quickly set up and use it without the need for professional technical assistance. This significantly reduces the complexity of system configuration while catering to needs such as home entertainment and personal performances.

High Compatibility

With an ultra-wide bandwidth of 64MHz—broader than most comparable products on the market—the system supports simultaneous operation of up to 24 compatible units within this spectrum. This enables efficient utilization of frequency resources and provides ample frequency options even for large-scale events, making it easier to avoid interference.

High-Definition Audio

Combining core hardware with anti-interference technology, the system delivers pure and accurate sound reproduction. Equipped with a high-performance processing chip and Relacart's proprietary anti-interference technology, it covers a wide frequency response range of 30Hz–20kHz. This ensures precise capture of vocal details across all ranges, from deep resonances to high-pitched nuances, reproducing transparent and crystal-clear high-fidelity audio.

Stability and Reliability

The system offers an effective operating range of up to 100 meters in open environments. Even in large venues such as conference halls or outdoor performance spaces, it guarantees stable audio transmission without quality degradation or signal loss over long distances.

Strong Anti-Interference Capability

Utilizing Relacart’s digital wireless technology integrated with diversity and anti-interference mechanisms, the system enhances signal stability at the transmission level. It ensures continuous, uninterrupted audio even in complex environments, providing a reliable experience for prolonged events and meetings.

Details

Specifications

Package Contents

Connection diagram

Polar Pattern

Frequency Response

Chassis Specification: 1U Half-Rack receiver chassis,

Reception Method: True Diversity Quad-Channel Reception

Frequency Stability: ±0.005%

Carrier Frequency Range: 470MHz–936MHz

Modulation Method: D-QPSK

Bandwidth: 64MHz (Region-Dependent)

Overall S/N Ratio: >100dB

Total Harmonic Distortion (T.H.D.): <0.1% @1kHz

Frequency Response: 30Hz–20kHz ±1dB

Effective Operating Range: Up to 100m (Open Area)

Power Supply: DC 12V/1A

Dimensions (mm): 205 (L) × 206 (W) × 43 (H)

Antenna Interface: Dual BNC, Supports +12V/150mA Output

Audio Output Interfaces: 6.3mm Unbalanced Audio Output, 2× XLR Balanced Audio Output

Weight: Approx. 1kg


Performance Introduction

Reliable Single-Channel Wireless Performance

The Single-Channel Digital Wireless Microphone System is engineered for stable and efficient wireless audio transmission. By using advanced digital transmission technology and a true diversity reception architecture, the system continuously analyzes signal strength from multiple antennas and automatically selects the strongest signal path. This intelligent process helps reduce dropouts and ensures uninterrupted sound during performances, speeches, and presentations.

Designed for Professional Audio Environments

Whether used for stage performances, live events, conferences, or educational settings, this Single-Channel Wireless Microphone System delivers consistent and professional audio quality. The digital signal processing architecture maintains audio clarity across long transmission distances, ensuring every word and note is reproduced with precision.

The system is particularly suitable for:

  • Corporate conference rooms

  • Lecture halls and classrooms

  • Houses of worship

  • Live performances and stage events

  • Event hosting and presentations

With its reliable wireless connection and professional sound output, the Single-Channel True Diversity Wireless Microphone provides an ideal solution for both professional and semi-professional users.

Intelligent Anti-Interference Design

Wireless environments often contain multiple signal sources that can affect audio stability. This true diversity wireless microphone system integrates advanced anti-interference technology that minimizes signal conflicts and enhances transmission reliability.

Key benefits include:

  • Stable transmission in complex RF environments

  • Reduced signal dropouts and interference

  • Consistent audio quality in crowded wireless spaces

This makes the Single-Channel Digital Wireless Microphone especially suitable for venues where multiple wireless systems operate simultaneously.

Compact and Flexible Installation

The receiver features a compact half-rack design that can be easily installed in audio racks, equipment cabinets, or desktop setups. This flexible structure allows the single channel wireless microphone system to integrate seamlessly into professional audio installations without occupying excessive space.

Its lightweight design also makes it convenient for mobile applications such as touring performances, portable event setups, and temporary conference systems.

Application Scenarios

The Single-Channel True Diversity Digital Wireless Microphone System is widely used in various professional and commercial environments:

Conference and Meeting Rooms

Provides clear speech reproduction for corporate meetings, training sessions, and boardroom discussions.

Live Performances

Delivers reliable wireless transmission for singers, musicians, and performers who require freedom of movement on stage.

Education and Training

Ideal for lecturers, instructors, and presenters who need stable audio during long speaking sessions.

Event Hosting

Suitable for ceremonies, exhibitions, and promotional events where dependable wireless audio is essential.

FAQs

What is a Single-Channel Digital Wireless Microphone System?

A Single-Channel Digital Wireless Microphone System is a wireless audio solution that supports one microphone transmitter and one receiver channel. It is designed to provide stable digital signal transmission and professional sound quality for speaking, performing, or presenting.

What does true diversity mean in a wireless microphone?

A true diversity wireless microphone system uses two separate receiver circuits and antennas to monitor signal strength simultaneously. The system automatically switches to the stronger signal, helping prevent audio dropouts and ensuring stable wireless performance.

What is the advantage of a single channel wireless microphone system?

A single channel wireless microphone system is simple to operate, cost-effective, and ideal for applications where only one microphone is required. It is commonly used for speeches, presentations, conferences, and solo performances.

How far can a Single-Channel Wireless Microphone System transmit?

The transmission distance depends on the environment and signal conditions. In open areas with minimal interference, a Single-Channel True Diversity Wireless Microphone system can typically operate reliably over long distances without signal interruption.

Can this wireless microphone system be used for professional events?

Yes. A Single-Channel Digital Wireless Microphone can be used in professional environments such as conferences, stage performances, and event hosting. Its digital transmission technology ensures clear and stable audio output.

Is the system easy to install?

Yes. The receiver’s compact design allows the Single-Channel Wireless Microphone System to be installed in racks, equipment cabinets, or desktop audio setups, making it suitable for both permanent installations and portable use.


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