Alfatron CMW104



The ALF-CMW104 includes a wireless audio receiver and four omnidirectional wireless microphone pods. The wireless receiver is connected to a computer’s USB port and has a stereo mini-jack audio output, which can be connected to active speakers or an amplifier. It is widely used in medium to large meeting rooms, Boardrooms, Conference venues and training facilities.

Alfatron conference phone tech:
1) 2nd audio processing tech
2) Wireless digital technology, which supports multi-frequency intelligent frequency hopping, strong anti-jamming
3) Digital microphone, broadband loudspeaker, audio enhancement
4) Built-in battery , smart power saving mode with simple USB charging
5) Wireless USB requires no driver, and supports operating systems such as WINDOWS


  •  Active loudspeaker with a 6.5mm audio connection, the conversational voice is clearer and louder, so that every speech can be heard.
  • Online real time communication – USB connect to computer, supporting computer software audio such as Skype, Zoom and other online communication software.
  • Mobile wireless omnidirectional microphone Based on the 2.4 GHz wireless connection, the full microphone is portable and the sound picking effect is excellent, which facilitates the speech of each participant.
  • Audio High-tech- 360-degree mic coverage, 256ms acoustic echo cancellation, Full duplex, Dynamic Noise Reduction(DNR).
  • Optional audio plug – According to the audio input socket, type of the active speaker device, suitable RCA lotus plug or 6.5 mm (male) / 3.5mm (female) audio  adapter can be selected.

Alfatron CMW104

– Tabletop audio console integrated with audio processing function, audio control terminal, USB function control, 2.4 GHz wireless connection function and indicator light
– Wireless omnidirectional microphone (from machine)
– ANT 2.4 GHz antenna
– Built-in lithium battery
– 24 hours duration time
– B-type interface USB cable
– USB charging line, USB charging plug
– Active speakers (optional)
– 6.5 mm audio cable (audio interface line can be selected according to demand)

– 236*118*40mm(master)
– 155*148*34mm(per B-device)

– Master: 607g
– Omnidirectional microphone:285g
– Package: 3138g

– Digital audio processing
– 256ms echo cancellation
– Dynamic noise reduction
– Full duplex
– 360 degree pick-up range
– Up to 3m pickup range

Computer system
– Windows 8 / Windows 7 /Windows 10/Windows XP.,etc.

– Support computer software audio Skype, Teams etc.
– Microphone mute
– Loudspeaker mute
– Volume up/down
– Indicator
– 2.4GHz wireless connection(20m)

– Master power adapter
– Input: 100-240V,0.5A,50/60Hz
– Output: DC 5V,2A·Omnidirectional microphone power adapter
– Built-in lithium battery
– Input: 100-240V,0.5A,50/60Hz
– Output: DC 5V,1A

Product execution standard
– YD/T 993-1998
– GB/T 9254-2008
– GB 4843.1-2011

2.4GHz USB adapter
– 2.4 GHz RF and data processing
– Folding SMA antenna

– Microphone mute key
– Loudspeaker mute key
– Volume up/down keys
– Standby key

Master Indicator LED
– Yellow indicator blink: wait to connect omnidirectional microphone
– Yellow indicator : successful connect to omnidirectional microphone
– Red light blink slowly: speaker mute

Omnidirectional microphone LED
– Orange indicator : speaker mute
– Orange and blue indicator blink alternately and slowly: low power
– Lower left indicator blink: adjust volume

Recommended conditions
– Temperature:5°~44°
– Humidity:20~85% condensation free
– Noise level:<48db
– Storage temperature:-10°~55°

– Black


– B type USB interface
– 6.5mm audio interface(out)
– DC power interface
– ANT 2.4GHz interface

Wireless omnidirectional Microphone
– Microphones 100-8000Hz