Alfatron Electronics WMP4 Wireless Microphone System

The Alfatron 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 like 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, 360° Omni-directional audio pickup from the microphones. The pickup radius of a single omnidirectional microphone is 2m (6.56').

Alfatron Electronics WMP4 Features

• Supports external active speakers or an amplifier
• Supports conference software such as Teams, Zoom etc
• 4x 2.4Ghz wireless omnidirectional microphones
• Handheld microphone can be connected to the controller
• Dynamic noise reduction processing
• 384ms echo cancellation, full duplex
• 360° omnidirectional with 6.56' pickup

• Host and external antenna1
• Wireless microphone slaves4
• Audio cable and adapter1
• Host power adapter1
• Host USB cable1
• Slave power adapters4

• Interface
  • B type USB interface 6.5mm audio jack
  • 6.5mm handheld microphone interface
  • Handheld microphone receiver charging port
  • Handheld microphone volume adjustment knob
  • Antenna interface DC power interface
• Power Supply
  • Host Power Adapter: -12V2A
  • Slave Power Adapter: -5V/500mA
  • Supports wireless charging
• Wireless Omnidirectional Microphone
  • Audio Bandwidth: 100Hz - 16,000Hz
  • Sensitivity: -38 dB
  • SPL: 94dB SPL @ 1kHz
  • Signal to Noise Ratio: 65dB 94dB SPL@1KHz, A-weight
• Audio Characteristics
  • Digital audio processing 384ms echo cancellation technology
  • Intelligent dynamic noise reduction
  • Full duplex
  • 360° pickup range
  • 6.56 feet effective pickup radius
• Computer System RequiredWindows 7 / Windows 10 / MacOS
• Microphone Buttons
  • 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 light is always on: under normal work
  • Speaker status indicator on master is on in green: under normal work
  • Speaker status indicator light on master is on in red: speaker mute
• Slave Mics LED Light Status
  • Normal Mode: green light is always on
  • Mute Microphone: red light is always on
  • Low Power: red light of the speaker flashes
  • Volume Adjustment: mic green indicator flashes
  • Not Connected Normally: green light flashes