Alfatron WMP4



Alfatron WMP4

The Alfatron ALF-WMP4 is a wireless microphone system with a controller and four 2.4GHz wireless microphones. The controller can be connected to an amplifier or powered speakers. It has a USB connection to connect to conferencing software such as Teams and Zoom and a Wireless handheld microphone input.

The system features intelligent digital audio processing with dynamic noise reduction, 384ms acoustic echo cancellation for full-duplex voice calls, and a 360° Omni-directional audio pickup from the microphones. The pickup radius of a single omnidirectional microphone is two metres.

Product Features

• Supports external active speakers or an amplifier
• Supports conference software such as Teams, Zoom etc
• Four 2.4Ghz Wireless omnidirectional microphones
• Handheld microphone can be connected to the controller
• Dynamic Noise reduction processing
• 384ms Echo Cancellation, Full Duplex
• 360° omni-directional with 2 metre pickup



• Master267*145*51mm
• Single mic110*110*25mm

• Master1044g
• Single mic236g

• Business black Interface
• B type USB interface 6.5mm audio jack
• 6.5mm handheld microphone interface
• Hand-held microphone receiver charging port
• Hand-held microphone volume adjustment knob
• Antenna interface DC power interface

Wireless omnidirectional microphone
• Audio bandwidth is 100 – 16KHz
• Sensitivity: -38 dB
• 94dB SPL@1KHz
• Signal to noise ratio: 65dB 94dB SPL@1KHz, A-weight

Power Supply
• Host power adapter: -12V2A
• Slave power adapter: -5V / 500mA
• Supports wireless charging

Audio characteristics
• Digital audio processing 384ms echo cancellation technology
• Intelligent dynamic noise reduction
• Full duplex
• 360° pickup range
• The effective pickup radius is 2 metres (Single omnidirectional microphone)

Computer system required
• Windows 7 / Windows 10 / macOS

Button on mics
• Microphone mute button

• Speaker mute button

• Volume up button

• Volume down button

• Slave switch button

Product performance standards
• YD/T 993-1998
• GB/T 9254-2008
• GB 4843.1-2011

Master LED light status
• Master red LED is always on: Normal working mode
• The speaker status indicator on master is green: Normal working mode
• The speaker status indicator light on master is red: Speaker mute

Slave mics LED light status

• Normal mode: Green LED is always on

• Mute microphone: Red LED is always on



Technical Sheet

User Manual


1. Q – What is the ALF-WMP4?

    A – It is a wireless microphone system.

2. Q –  How are the microphone pods connected?

     A – The microphone pods use the 2.4GHz Wi-Fi range as a connection to the controller.

3. Q – What is the furthest I can stand from the mic pod?

    A –  The pickup radius is 2 metres of each single omnidirectional pod.

4. Q – Where are the speakers on the pods?

    A – There are no speakers in the pods, only microphones. Connection for speakers or amplifier is at the back of the controller.

5. Q – Can you hear yourself through the ALF-WMP4?

    A – No, you will only hear the far-side participants.