Sound has been one of the hardest things to get right or to an acceptable level for my reviews and so I was very happy to receive the Comica CVM-WM100 Plus Wireless Lavalier Microphone System for review.


They arrived in a very nice card box and inside the microphone system was housed in a soft case with a carry handle.

I really like the case, a previous set of wireless lav mics that I reviewed came in a metal flight case that was, well it was cheap looking and feeling, this case is far nicer and easier to carry about.

In the top section the accessories are housed in net compartments and the larger section houses the two transmitters and the receiver in a high density foam with cut outs to keep the equipment safe.

Inside you get;

  • 2 x Transmitter
  • 1 x Receiver
  • 2 x 3.5mm Lavalier Microphones
  • 1 x Audio output cable 3.5mm to 3.5mm
  • 1 x 3.5mm to XLR output cable
  • 3 x belt clips
  • 1 x Cold Shoe Mount
  • 2 x wind muffs
  • 1 x USB Power input cable

The Transmitters and the Receiver each run off of 2 x AA alkaline batteries or you can use rechargeable AA batteries and the units have a Micro USB port that can be used to recharge if you are using rechargeable batteries or to power the unit using a portable power bank.

You get 6 hours of use from a set of batteries.

You get three belt clips for the units and one cold shoe mount and so you can place the receiver either on a belt or on to the top of a camera via that ¼” mount as you can see that I have done in the above photo.

Each unit has 16 available channels

  • Group A Frequency: 606.125MHz – 609.875MHz (UHF)
  • Group B Frequency: 610.125MHz – 613.875MHz (UHF)

They have a working distance 328 Feet (100m) or 196ft (60m) in an area with obstacles and you can select Low or High RF power depending on the distance at which the Transmitter & Receiver are apart.

The Transmitters

The transmitters have one aerial and on the top have 2 x 3.5mm ports. One is for the microphone and the other is a line in. So you could plug in an iPod and play music in through that port if you wanted to.

Both of these 3.5mm ports take screw on jacks which the supplied Lavalier microphones have and so no accidental unplugging of the jacks is possible.

Also on top of the units is an infrared sensor and I will talk about that later in the Receiver section.

Seen from the top and from the front are two LED lights. These are RF & IR indicators

  • Green light – Normal working status
  • Green light flicker – Channel mismatch
  • Red light flicker – Channel matching via IR
  • Red light – Group closed

Press and hold the Power button to turn on/off the unit and short press to mute the unit if option is on in settings (The RF LED will then turn red)

The LCD screen is crystal clear and very easy to see and displays RF power status, Group, mic mute status, battery charge, channel and a dynamic audio display bar.

The options in the settings are;

  • Channel select
  • Group select – Ability to switch each transmitter between A or B group
  • Low Cut Filter – Off, Low, High – Stand vibration, hum from a furnace, rumble of distant vehicles and sometimes wind noise.
  • RF Power – Low, High
  • Mute – Enable disabled, press power button
  • Back light – 0, 15, 30, 60secs
  • Reset
  • Version

The Receiver

The receiver is the same size as the transmitters and only differs by having two aerials, one for Group A and one for Group B.

It also has two 3.5mm screw jacks, one for the output to the camera and a headphone jack for real time audio monitoring.

Receiver Settings

  • Group A & B Channel selection
  • Output Mode Stereo/Mono
  • Setting group A or B
  • Group power On/Off
  • Volume
  • Auto Scan – will select best channel
  • Sync Via IR
  • Backlight
  • Reset
  • Version

The LCD screen displays signal strength from group A and B, battery charge, channel and a dynamic audio display bar for each channel.

Now this is where the Comica CVM-WM100 Plus has really impressed me.

I wouldn’t know which channel was the best to select in a certain location on a certain day. The Receiver takes care of this for you by scanning for the best channel with the Auto Scan setting and then once it has done that, go to Sync and press select yes and as long as the Transmitter and the Receiver are within 30cm of each other, they will sync.

Also via the Transmitter you can turn off a group and select Mono or Stereo.

When using one transmitter select mono so that the one unit will transmit to both Left and Right channels on your camera, in Stereo each transmitter will be received differently, one in left and one in the right.

The Receiver has the ability to monitor the audio in real time via headphones, so the person operating the camera can listen in. A & B Transmitters would be heard in different ears.

As I said before, I reviewed a twin wireless Lav Mic set before, the system worked well but the supplied microphones really let it down and I had to use my own Lav mic plugged in.

The lav mics supplied with the Comica CVM-WM100 Plus are very good and I have been very happy with the sound when using this system. In the video review below I switch over to using the Comica mic to demonstrate its quality.

The Comica CVM-WM100 Plus is compatible with DSLR cameras, camcorders, smartphones (See text in above image) and computers.


The Auto scan and IR sync are a very nice feature and are a great selling point for this system.

I have been very happy with the sound quality and the system is not over complicated and so it is very easy to get set up.

I love the fact that you can use disposable or rechargeable batteries or even a portable power bank.

Where as I sold the last set, I will definitely be keeping hold of the Comica CVM-WM100 Plus.

It will be used for my beekeeping & gardening videos and for any reviews that need to be filmed outdoors.

I have heard good things about this brand and have had my eye on their boom mics for a few years and so it has been an honour to review for the brand.

Purchase this item

The Comica CVM-WM100 Plus wireless lav mic system costs £239 from Amazon with Free Next Day delivery for Prime Members.

Keep up to date with Comica via Facebook & Instagram.


By Zechariah Richardson

Over 50, disabled, husband, father and gramps who reviews products and writes blog posts about his life, beekeeping, gardening and whatever pops into his brain!

Please leave a Reply

%d bloggers like this: