Comica BoomX-D PRO User manual

BoomX-D PRO
User Manual
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 o
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 dierent 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 transmit-
ter 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.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de
licence. L'exploitation est autorisée aux deux conditions suivantes:
(1) l'appareil ne doit pas produire de brouillage.
(2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est suscepti
ble d'en compromettre le fonctionnement.

Foreword
Main Features
Thanks for purchasing COMICA BoomX-D PRO
. 2.4G Digital Dual-channel Wireless microphone, Global Free Frequency
. 48kHz/16bits Audio Recording, Intelligent Denoise
. Support On-board Recording with 8G Internal Memory（About 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
1

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 mu 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
2

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:
①Insert BoomX-D PRO into the computer
②Click sound setting and set the “Comica_ BoomX-D_PRO” as the input and output device
Sound
Output
Choose your output device
Comica_BoomX-D_PRO
Input
Choose your input device
Comica_BoomX-D_PRO
Receiver (RX)Transmitter(TX)
Don't block the antenna position to avoid any poor signal generated
Antenna position Antenna position
3

Packing List
BoomX-D PRO D1 = TX + RX
（Black/White）
BoomX-D PRO D2 = TX + TX + RX
（Black/White）
Receiver (RX)Transmitter(TX)
Purchase Options:
Main Parts:
4

① 3.5mm Mic Audio Input Cable
② Wind Mu
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
⑨User Manual
⑩Warranty Card
The accessories of each combination include:
Accessories:
①+ ②+ ③+ ④+ ⑤+ ⑥+ ⑦+ ⑧+ ⑨+ ⑩
BoomX-D PRO D1=
①x2 + ②x2 + ③+ ④+ ⑤+ ⑥+ ⑦+ ⑧+ ⑨+ ⑩
BoomX-D PRO D2=
① ② ③
④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩
5

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
①②③
⑨
⑧
⑦
④
⑤
⑥
6

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
①②
③
⑧
⑦
④
⑤
⑥
7

Screen Display and Function Instruction
Transmitter(TX)
1.Screen Display Instruction:
Flash:Recording Recorded Time
REC 00:00:00
A/B Channel Microphone Audio Dynamic Bar
Muting
Microphone Normal Working
Unpaired
in the Pairing
Paired Transmitter Battery Status
Signal Strength
A/B Channel is Connected
A/B Channel is not Connected
8

2.Function Introduction:
Long press for On/O; Short press for muting switch
2.1. Power/Muting Button
Long press for pairing with receiver
2.2. Pair Button
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
2.3. Reset Hole
9

Long press to start or stop the recording when the screen is on
2.6. REC Button
Connect the transmitter with the power or computer through 3 in 1 charging/output cable to charge or copy
recording file
2.5. USB-C Charging/Copy 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 o
2.4. 3.5mm TRS Microphone Port
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
10

Mono
Stereo
Safety (It will output dual-channel audio in mono in safety mode, one channel is normal audio,
another channel is the safe audio reduced with -6dB based on the normal audio)
Receiver(RX)
1.Screen Display Instruction:
Receiver Battery Status
A channel is connected
A channel is not connected
A Channel Microphone
Audio Dynamic Bar
B Channel Microphone
Audio Dynamic Bar
Group A Output Volume
Group B Output Volume
B channel is connected
B channel is not connected 11

2. Function Introduction:
Long press for On/O; Short press for mono/stereo/safety mode switch. Please attention that it can not realize
STEREO function when in single-channel and safety mode
2.2. Power/Mono/Stereo/Safety Mode Switch Button
Short press to cyclically adjust the A/B channel output volume. In the mono mode, the A/B channel output
volume is adjusted synchronously
2.3. A/B Channel Output Volume Adjustment Button
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
2.1. Reset Hole
12

Connect with mobile phone through the 3.5mm TRS-TRRS audio cable; Connect with camera through the
3.5mm TRS-TRS audio cable
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
2.5. 3.5mm TRS Audio Output Port
Insert headphone to monitor
2.6. 3.5mm TRS/TRRS Monitoring Port
Connect the receiver with the power or USB interface devices through 3 in 1 charging/output cable to
charge or output
2.4. USB-C Charging/Output Port
13

Installation and Usage
Pairing Method (All have been paired at the factory. If you need to re-pair, please follow the description)
REC 00:00:00
Transmitter (TX)
REC 00:00:00
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
14

Transmitter(TX)
1. Use the internal/external mic according to your need
Internal Mic
External Mic
1.For better concealment during use, it is recommended that the belt clip is fixed and used outwards
2.When using an external microphone, the internal microphone is automatically turned o
15

BOOMX-D_PRO disk appears after BoomX-D PRO is connected with the computer, then you can copy the
recording file
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
Long press to start or stop the recording when the screen is on
2. Use the REC function according to your need
REC 00:00:00
3. Copy recording file according to your need
Please keep the TX turned on when copying recording files
16