COMICA BoomX-D PRO 2.4G Dual-channel On-board Recording Wireless Microphone User Manual

June 5, 2024
COMICA

COMICA BoomX-D PRO 2.4G Dual-channel On-board Recording Wireless Microphone

FCC statement

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: 1) this device may not cause harmful interference, and 2) this device must accept any interference received, including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
FCC Radiation Exposure Statement
This device complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

IC

This device complies with Industry Canada’s licence-exempt RSSs. Operation is subject to the following two conditions:
(1) This device may not cause interference; and
(2) This device must accept any interference, including interference that may cause undesired operation of the ` “device.

Forward

Thanks for purchasing COMICA BoomX-D PRO

Main Features

  • 2.4G Digital Dual-channel Wireless microphone, Global Free Frequency
  • 48kHz/16bits Audio Recording, Intelligent Denoise .
  • Support On-board Recording with 8G Internal MemorycAbout 24 hours
  • Support Recording File’s High-speed Transmission and Copy
  • Support Digital&Analog Output Mode, Universal for Camera, Phone and Computer
  • Safety Channel for Ultimate Flexibility in Post-production
  • Visual Power, Audio Dynamic Monitor and Other Display Functions
  • M/S Switch, Real-time Audio Monitor . Internal and External MIC Two Input Modes
  • RF Technology, Auto Freq
  • Adjustment, Stable Transmission
  • Low Latency < 20ms, Working Range Up to 100m
  • Designed with Multi-functional Belt Clip and Compact

Notice

⚠ Due to 2.4G wireless characteristics, it’s better to keep face to face when use it, and don’t turn your back to the receiver, otherwise it is easy to generate breakpoints, which is a normal phenomenon
⚠ Don’t block the antenna position to avoid any poor signal generated
⚠ Please attention that it can not realize STEREO function when in single- channel and safety mode ⚠When you need to continuously record, a new recording file will be saved every 2 hours of recording, and the total recording time is 24 hours. When the 8G memory is full, the new recording file will overwrite the old recording file.
⚠ The recording and copy function can’t be used at the same time
⚠ 3.5mm TRS-TRS Audio Cable is suitable for Canon, Nikon and other cameras with low sensitivity
⚠ 3.5mm TRS-TRS Audio Output Cable with Impedance is suitable for Sony, Panasonic, Fujifilm and other cameras with high sensitivity(3.5mm TRS-TRS Audio Output Cable with Impedance is recommended to be used if there is sound explosive in recording )
⚠ This product belongs to high-precision instruments, please avoid falling, collision or pounding
⚠ Do not use this equipment in the vicinity of heat source or interference source, such as radiator, oven, refrigerator or air conditioner
⚠ If the pick-up distance is close or when used outdoors, please put on the wind muff to prevent sound burst or reduce wind noise
⚠ Do not use the equipment in rain or in a damp environment to avoid short- circuit danger
⚠ Please keep the product in a dry environment

Don’t block the antenna position to avoid any poor signal generated

Tips

  1. BoomX-D PRO is universal for USB and 3.5mm interface devices. When used in smartphone, the system will compulsorily choose BoomX-D PRO as audio input and output device
  2. When used in computer, please follow the steps below:
    ① Insert BoomX-D PRO into the computer
    ② Click sound setting and set the “Comica_ BoomX-D_PRO” as the input and output device

Packing List

Main Parts

Purchase Options

Accessories:

① 3.5mm Mic Audio Input Cable
② Wind Muff
③ 3.5mm TRS-TRRS Audio Cable(For Smartphone)
④ 3.5mm TRS-TRS Audio Cable(For Canon, Nikon, etc.)
⑤ 3.5mm TRS-TRS Audio Cable with Impedance(For Sony, Panasonic, Fujifilm, etc.)
⑥ 3 in 1 Charging/Output Cable (the orange cable can be used for charging and data transmitting, the black cable can only be used for charging )
⑦ Reset Pin
⑧ Carry Case
⑨ User Manual
⑩ Warranty Card



The accessories of each combination include:

BoomX-D PRO D1= ① + ② + ③ + ④ + ⑤ + ⑥ + ⑦ + ⑧ + ⑨ + ⑩
BoomX-D PRO D2= ①x2 + ②x2 + ③ + ④ + ⑤ + ⑥ + ⑦ + ⑧ + ⑨ + ⑩

Components and Instruction

Transmitter (TX)

  1. External Mic Locking Buckle
  2. 3.5mm TRS Port of External Mic
  3. Internal Mic
  4. Power/Muting Button
  5. Pair Button
  6. Reset Hole
  7. Belt Clip
  8. USB-C Charging/Copy Port
  9. REC Button
Receiver (RX)

  1. 3.5mm TRS/TRRS Monitoring Headphone Port
  2. 3.5mm TRS Audio Output Port
  3. Reset Hole
  4. Power/Mono/Stereo/Safety Mode Switch Button
  5. A Channel Output Gain Control Button
  6. B Channel Output Gain Control Button
  7. Belt Clip
  8. USB-C Charging/Output Port

Screen Display and Function Instruction

Transmitter(TX)

  1. Screen Display Instruction:
    Muting Microphone Normal Working

  2. Function Introduction:
    2.1. Power/Muting Button
    Long press for On/Off; Short press for muting switch

2.2. Pair Button
Long press for pairing with receiver

2.3. Reset Hole
If there is an abnormal phenomenon such as the device is crash or unable to turn on it, then insert the reset pin into the reset hole to reset it

2.4. 3.5mm TRS Microphone
Port Insert the 3.5mm TRS microphone input cable, and you can use the external lavalier microphone for recording. At this time, the internal microphone of this device is turned off

2.5. USB-C Charging/Copy Port
Connect the transmitter with the power or computer through 3 in 1 charging/output cable to charge or copy recording file

2.6. REC Button
Long press to start or stop the recording when the screen is on

| All the function adjustments are only available when the screen is on, and if the screen is dimmed, press any button to light up the screen and then adjust again
---|---

Receiver (RX)

  1. Screen Display Instruction:

  2. Function Introduction:
    2.1. Reset Hole
    If there is an abnormal phenomenon such as the device is crash or unable to turn on it, then insert the reset pin into the reset hole to reset it

2.2. Power/Mono/Stereo/Safety Mode Switch Button
Long press for On/Off; Short press for mono/stereo/safety mode switch. Please attention that it can not realize STEREO function when in single-channel and safety mode

2.3. A/B Channel Output Volume Adjustment Butt
Short press to cyclically adjust the A/B channel output volume. In the mono mode, the A/B channel output volume is adjusted synchronously

2.4. USB-C Charging/Output Port
Connect the receiver with the power or USB interface devices through 3 in 1 charging/output cable to charge or output

2.5. 3.5mm TRS Audio Output Port
Connect with mobile phone through the 3.5mm TRS-TRRS audio cable; Connect with camera through the 3.5mm TRS-TRS audio cable

2.6. 3.5mm TRS/TRRS Monitoring Port
Insert headphone to monitor

| All the function adjustments are only available when the screen is on, and if the screen is dimmed, press any button to light up the screen and then adjust ag
---|---

Installation and Usage

Pairing Method (All have been paired at the factory. If you need to re-pair, please follow the description)
Long press the pair button of the transmitter to pair when the screen is on, the icon changes from to after pairing successfully, the first paired transmitter as channel A(left channel), and the second paired transmitter as channel B(right channel)

The screen icon changes from to after pairing

Transmitter (TX)

  1. Use the internal/external mic according to your need
    |

  2. For better concealment during use, it is recommended that the belt clip is fixed and used outwards

  3. When using an external microphone, the internal microphone is automatically turned o­ff.
    ---|---

  4. Use the REC function according to your need
    Long press to start or stop the recording when the screen is on
    | When you need to continuously record, a new recording file will be saved every 2 hours of recording, and the total recording time is 24 hours. When the 8G memory is full, the new recording file will overwrite the old recording file
    ---|---

  5. Copy recording file according to your need
    BOOMX-D_PRO disk appears after BoomX-D PRO is connected with the computer, then you can copy the recording file

Receiver(RX)

  1. Analog Output:
    1.1 Work with Camera
    Fix the receiver through the belt clip to the camera’s hot shoe mount, then connect the receiver with camera through the 3.5mm TRS-TRS audio cable; Insert the headphone into the monitoring headphone port for monitoring

    1.2. Work with Smartphone/Computer
    Connect the receiver with smartphone/computer through the 3.5mm TRS-TRRS audio cable and corresponding audio adapter cable, then insert headphone to monitor according to your need (Please purchase audio adapter cable by yourself )

  2. Digital Output:
    Connect the receiver with the USB interface devices through the corresponding audio cable and audio adapter, then insert the headphone to monitor according to your need

Specifications

Transmitter (TX)

Wireless Band 2400~2483.5MHz
Transmitting Power +10dBm
Receiving Sensitivity -86dBm
Antenna PCB Antenna
Polar Pattern Omnidirectional
Frequency Response 80Hz ~ 20kHz
Sound Pressure Level 100dB
S/N 70dB
Equivalent Noise 24dBA
Dynamic Range 76dB
Sound Delay <20ms
External Mic Input Interface 3.5mm TRS
Battery Built-in Li-ion Battery 330mAh 3.7V
Battery Life 4.5 Hours
Recording Time 24 Hours
Net Weight 29g
Dimension 39x22x55mm
Operating Temperature 0℃ ~ 50℃
Storage Temperature -20℃ ~ 60℃

Receiver (RX)

Wireless Band 2400~2483.5MHz
Transmitting Power +10dBm
Receiving Sensitivity -86dBm
Antenna PCB Antenna
Audio Output Adjustment -12dB~+12dB
S/N 70dB
Equivalent Noise 24dBA
Dynamic Range 76dB
Sound Delay <20ms
Audio Output Interface 3.5mm TRS&USB-C
Digital Output 48kHz 24bits
Monitor Interface 3.5mm TRS/TRRS
Battery Built-in Li-ion Battery 330mAh 3.7V
Battery Life 6 Hours
Net Weight 29g
Dimension 39x22x55mm
Operating Temperature 0℃ ~ 50℃
Storage Temperature -20℃ ~ 60℃

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Email: support@comica-audio.com

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