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Comica Audio BoomX-D MI2 Ultracompact 2-Person Digital Wireless Microphone System for iOS Smartphones (2.4 GHz)

BH #COBOOMXDMI2 • MFR #BOOMX-D MI2
Comica Audio BoomX-D MI2 Ultracompact 2-Person Digital Wireless Microphone System for iOS Smartphones (2.4 GHz)
Key Features
  • For Journalists, Vloggers, YouTubers
  • 2 x Transmitters with Built-In Mic & Lav
  • Ultracompact 2-Channel Plug-In Receiver
  • 5-Hour Rechargeable Battery + USB
Designed for mobile journalists, videographers, and vloggers, the Comica BoomX-D MI2 is an ultracompact, true wireless digital microphone system with two microphones and just one receiver. It offers a complete solution for recording dialogue, interviews, and speech with two people talking simultaneously—directly to an iOS smartphone or tablet.
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Comica Audio Boomx-D MI2 Overview

  • 1Description
  • 2Two Microphones into One Receiver
  • 3Built-In Mics for True Wireless
  • 4Lavalier Mics Included
  • 5Plug-and-Play and Easy-to-Operate Wireless
  • 6Easy 2.4 GHz Digital Wireless

Designed for mobile journalists, videographers, and vloggers, the Comica BoomX-D MI2 is an ultracompact, true wireless digital microphone system with two microphones and just one receiver. It offers a complete solution for recording dialogue, interviews, and speech with two people talking simultaneously—directly to an iOS smartphone or tablet.

The ultralightweight BoomX-D MI2 consists of two ultracompact clip-on transmitters each with its own built-in omnidirectional microphone and a separate lavalier microphone. It also comes with a tiny receiver that mounts on and plugs directly into the Lightning port of your phone. To ensure that you are capturing a clean signal, you can monitor your mic via the receiver's 3.5mm headphone output while recording.

The system delivers reliable transmission with a clear sound at a distance up to 164'. The transmitter's built-in rechargeable battery provide up to 5 hours of operation. Versatile and extremely easy to use with simple controls, the BoomX-D MI2 is well suited for content creators of any experience level.

Two Microphones into One Receiver

  • The two-channel receiver allows you to use just one receiver to simultaneously receive signals from the two mic/transmitters, saving space on your phone shooting rig.

Built-In Mics for True Wireless

  • Each transmitter is equipped with a built-in microphone and a 3.5mm mic input that accepts the included lavalier microphone.
  • For a truly wireless experience, the transmitter can be clipped on clothing without having to wire yourself or your talent. You can also hold the transmitter in your hand and use it as a handheld microphone.
  • The On/Off switch doubles as a mute button.

Lavalier Mics Included

  • For a more discreet setup, use the small lavalier microphone, which can be easily concealed away from the camera's eye.

Plug-and-Play and Easy-to-Operate Wireless

  • This plug-and-play system is easy to use. It comes pre-paired at the factory; connect it to your camera, turn it On, and you're ready to start recording.
  • Dedicated gain buttons on the receiver allow quick and effortless adjustment of the signal level for each microphone independently.
  • The transmitters have a display that shows signal strength, audio level, and battery life.
  • The transmitters are powered via a built-in lithium-ion rechargeable battery. They can also be powered via USB, even while in use, giving you near unlimited operating time.
  • The receiver is powered via the phone.

Easy 2.4 GHz Digital Wireless

  • Whereas typical analog wireless systems are susceptible to interference from TV and radio waves, the BoomX-D digital system avoids that by operating in the 2.4 GHz frequency band, which occupies frequencies beyond those of television, radio transmissions, and UHF wireless microphone systems.
  • The system automatically changes transmission frequency to mitigate noise and dropouts at a line-of-sight distance of up to 164 feet. For optimal performance, environments with limited Wi-Fi/2.4 GHz traffic and minimal physical obstructions are recommended.

Comica Audio Boomx-D MI2 Specs

System
Wireless TransmissionDigital 2.4 GHz
Included Transmitters2 x Clip-On with Microphone
DiversityNon-Diversity
RF Frequency Band 2400 to 2483.5 MHz
RF Channel ScanningAuto-Scan
Max Operating Range164' / 50 m (Line of Sight)
Max Microphones per Band2
Sample Rate/Resolution48 kHz / 16-Bit
Latency< 20 ms (Maximum)
Receiver
Form FactorPlug-In
Mounting OptionsPlug-In
Antenna1 x Internal
Number of Audio Channels2
Audio I/O1 x 1/8" / 3.5 mm TRS Female Unbalanced Headphone Output
Gain Range0 to 12 dB
USB/Lightning Connectivity1 x Lightning (Audio, Bus Power)
RF Output Power10 mW
Power RequirementsBus Power (Lightning)
Display & Indicators1 x LCD (AF Level, Battery Status, Output Level)
HousingPlastic
Operating Temperature32 to 122°F / 0 to 50°C
Dimensions1.3 x 0.5 x 2.8" / 33 x 13 x 70 mm
Weight0.7 oz / 19 g
Transmitter
Form FactorClip-On with Microphone
RF Output Power10 mW
Audio I/O1 x 1/8" / 3.5 mm TRS Female Unbalanced Input
MutingOff/On Switch
Auto-Level ControlNo
Frequency Response80 Hz to 20 kHz
Antenna1 x Internal
Approximate RF Sensitivity-86 dBm
Power RequirementsBattery, Bus Power (USB)
Battery Type1 x Built-In Rechargeable
Internal Battery Capacity300 mAh
Approx. Battery Life5 Hours (Lithium Rechargeable)
USB/Lightning Connectivity1 x USB Type-C (Bus Power, Charging)
Display & Indicators1 x LCD (Audio Level, Battery Status, Mute, Signal Strength)
HousingPlastic
Operating Temperature32 to 122°F / 0 to 50°C
Dimensions1.5 x 0.9 x 2.2" / 39 x 22 x 55 mm
Weight1 oz / 29 g
Microphone
Form FactorIntegrated
Sound FieldMono
Polar PatternOmnidirectional
Packaging Info
Package Weight0.84 lb
Box Dimensions (LxWxH)7.4 x 4.3 x 2.7"
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Should this work with the DJI OM4: in particular, ...

Should this work with the DJI OM4: in particular, can the OM4 balance with the receiver attached to an iPhone XR? Should it, as external audio, work with the DJI Mimo App?
Asked by: Keith
We have not tested the DJI OM4 with the Comica Boom-X wireless mic system on an iPhone XR to be able to say whether or not there will be any issues with balance on the OM4. The external mic will work to deliver audio, but the Mimo app does not provide control of the parameters such as turning the volume level up or down.
Answered by: Lisa
Date published: 2020-12-27

Will receiver compatible with iPhone 6S Plus?

Will receiver compatible with iPhone 6S Plus?
Asked by: Jason
Yes, the receiver included with the Comica Audio BoomX-D MI2 is compatible fro use with iPhone 6S Plus.
Answered by: Lisa
Date published: 2021-06-13

Can you connect an external mic such as the Rode ...

Can you connect an external mic such as the Rode Video Mic? I saw a review that stated this might be an issue.
Asked by: Conor
While it is possible to connect the VideoMic to the Boom transmitter, we can not guarantee proper functionality since certain mic transmitters have specific voltage and impedance requirements from the mics which could create noise issues if not matched.
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Date published: 2020-08-27

Hi, Ive small question is the audio recorded mix ...

Hi, Ive small question is the audio recorded mix or split?
Asked by: Mohamed
We bought the lightning (MI) version and we where only able to record the sources mixed from both transmitters in a mixed mono-track. The manual is the one for the UC version. The USB-C version and the standalone version in the bundle with 2 transmitters do have the m/s button and probably can switch mono / stereo mode. The MI bundled version with 2 transmitters does not have this button or function. However , if you look at the single MI (lighning) reciever in this shop has the m/s button. It seems that the bundled product comes with an older version of the receiver which is not able to split left and right.
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How can we use this for zoom meeting plugged into ...

How can we use this for zoom meeting plugged into a phone? There is no audio so cannot hear others, but they can hear me.
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will this fit while using dji mimo 3?

will this fit while using dji mimo 3?
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This should fit while using it with the DJI Mobile 3.
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Date published: 2020-09-02
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