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MIC
User Manual
v1.2
2023.01
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Content
Introduction
DJI Mic Transmitter 2
DJI Mic Receiver 4
Charging Case 5
Operation
Linking 6
Using DJI Mic 6
OLED Touchscreen Operations 8
Transmitter Recording 10
Audio File 10
Updating Firmware 10
Charging Case Operations 11
Specifications
After-Sales Information
2
6
12
13
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Introduction
DJITM Mic is a dual channel wireless microphone system, including two transmitters and one receiver,
which is able to record two sound sources simultaneously at a distance of up to 250 m*. The
transmitter has a built-in omnidirectional microphone, supports the use of an external microphone,
and can be clipped to clothing or any place close to a sound source. With the internal 8 GB
storage, DJI Mic is able to record audio for up to 14 hours**.
The receiver boasts an OLED touchscreen, on which users can view the real-time volume, wireless
signal strength, gain, recording modes, and more. By utilizing the expansion port, the receiver can
be connected to a camera or mobile phone to provide high quality audio. The receiver can also
be connected to a computer to use as a microphone and with the monitor port the audio can be
monitored in real time. The charging case provided is able to charge the transmitters and receiver
simultaneously and link them automatically.
* Tested in an obstruction-free outdoor environment.
** Tested with a 48,000Hz sampling rate and 24-bit mono WAV audio format.
DJI Mic has different combos, which include additional items. The features described in
this manual are general and apply to all combos.
DJI Mic Transmitter
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2
3
4 5 76 8 9
System Status Indicator
1.
Indicates the connection status with the receiver and the battery level of the transmitter.
Blinking Pattern Descriptions
Connection Status
Solid on Connected with the receiver
Blinks slowly Disconnected from the receiver
Blinks quickly Linking
Blinks red and green alternatively Firmware updating
Battery Level Descriptions
Solid green Battery Level ≥20%
Solid red Battery Level<20%
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DJI MIC
User Manual
Battery Level During Charging
Blinks green slowly Battery level: 0~25%
Blinks green twice Battery level: 26~50%
Blinks green three times Battery level: 51~75%
Blinks green four times Battery level: 76~100%
Off Fully charged
2. Data Port (USB-C)
For copying audio or updating rmware after connecting to a computer. Can also be used for
charging.
3. Power Button
Press and hold to power on or off. Press twice to mute.
4. Internal Microphone
For recording audio.
5. 3.5 mm TRS Input
For connecting external microphone. DO NOT connect a microphone with a power supply of 24 V
or 48 V.
6. Recording Status LED
Indicates the record status of the transmitter.
Blinking Pattern Descriptions
Solid red Recording
Pulses red Mute
Off Not recording
7. Linking Button
Press and hold to start linking to the receiver. Once the receiver is attached to a mobile phone
and the receiver and transmitter are linked, press once to take a photo or start or stop recording
on the mobile phone (only supports mobile phones where the volume button can be used to take
a photo or start or stop a video).
8. Record Button
Press once to start or stop recording.
9. Charging Pad
Charging will begin after connecting the transmitter to the charging pad of the charging case
and the transmitter will automatically link with the receiver in the charging case.
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DJI MIC
User Manual
DJI Mic Receiver
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1 3
2
1. OLED Touchscreen
Displays information such as the real-time volume, battery level of the receiver and transmitter,
charging status, wireless signal strength, gain, and recording modes. Slide down or up on the
screen to access settings.
2. Power Button
Press and hold to power on or off. Press once to lock or unlock the screen.
3. Data Port (USB-C)
After connecting to a computer, can be used to update rmware or as a microphone for the
computer. Can also be used for charging.
4. Monitor Port
Plug in a 3.5 mm TRS headphone to monitor the transmitter recording.
5. 3.5 mm TRS Output
For audio output to a camera. DO NOT connect to a device with an output of 24 V or 48 V.
6. Expansion Port
For connecting to a mobile phone using a mobile phone adapter or connecting to a camera
using a hot shoe adapter.
7. Charging Pad
Charging will begin after connecting the receiver to the charging pad on the charging case and
the receiver will link with the transmitter in the charging case automatically.
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Charging Case
1 2
1. USB-C Charging Port
For charging the charging case.
2. Battery Level LEDs
Indicates the battery level of the charging case.
DJI MIC
User Manual
LED is on LED is ashing
LED1 LED2 LED3 LED4
Battery Level During Charging (LEDs blink in sequence)
76~99%
51~75%
26~50%
≤25%
Fully charged (Power off)
LED1 LED2 LED3 LED4
Battery Level
76~100%
51~75%
26~50%
10~25%
<10%
LED is off
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Operation
REC
REC
REC
REC
Linking
The transmitters and the receiver are linked by default. Follow the steps below to link if the
transmitter and receiver are disconnected.
1. Place the transmitters and the receiver in the charging case and they will link automatically.
2. Power on the transmitter and the receiver, press and hold the link button of the transmitter, slide
down on the screen of the receiver, select Settings, and scroll through and tap Link Device to
start linking. The status LED glow solid green to indicate linking is successfull.
Using DJI Mic
Transmitter
The transmitter can be attached using the magnetic clip to either clothes or a stable surface. The
clamp can also be used to attach the transmitter to clothes.
1
2
REC
REC
1
2
It is recommended to use the windscreen when using the transmitter outdoors or in a windy
environment. Attach the windscreen to the transmitter by aligning it with the internal microphone
and rotate the windscreen to lock in place.
1
2
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User Manual
Receiver
1. Using with a Camera
To record audio and transmit to a camera, attach the receiver to a camera using the hot shoe
adapter and connect to the microphone port of the camera using the camera cable provided.
Lower the volume of the camera to avoid sound distortion.
2. Using with a Mobile Phone
Attach the receiver to a mobile phone using the mobile phone adapter to record audio and
transmit to a mobile phone. Audio can be played after the receiver is disconnected from the
mobile phone.
Lightning USB-C
• The 3.5 mm TRS output port of the receiver cannot output after connecting to a mobile
phone adapter.
• Only Mono mode can be used after connecting the receiver to the Lightning mobile
phone adapter.
• The mobile phone speaker cannot output sound after connecting the receiver to the
mobile phone. Bluetooth headphones or speaker can be used instead.
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DJI MIC
L+4R
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S
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3. Using with a Computer
Connect the receiver to a computer via the USB-C port as a microphone for a computer.
User Manual
Use a standard charging cable to connect DJI Mic with a computer and enter the
related input settings on the computer.
OLED Touchscreen Operations
+2
Home
The top part of the screen indicates the status of receiver.
: Recording Mode. Choose between S (Stereo), M (Mono), and Ms (Mono Safety Track).
S
: Indicates the receiver gain.
: Indicates there is external headphone connected.
: Indicates the wireless signal strength between transmitter 1 and the receiver. If there is only
one transmitter connected, then only the information of one transmitter will be displayed.
: Indicates the wireless signal strength between transmitter 2 and the receiver.
: Indicates the battery level of the receiver.
The middle of the screen indicates the status of transmitters.
: Indicates the transmitter gain.
: Indicates audio is being recorded.
: Indicates the sound channel.
: Indicates the battery level of the transmitter.
The bottom of the screen indicates the real-time volume.
" " Indicates the volume of the internal microphone.
" " Indicates volume is muted.
" " Indicated the volume of the external microphone.
Settings
Slide Down
Slide down from the top of the screen to access Settings, slide left or right to select an option, and
slide up to return to the previous screen.
Recording Mode Settings
Choose between S (Stereo), M (Mono), and Ms (Mono Safety track).
Mono:
Under Mono mode, the audio recorded by the two transmitters will be in one channel.
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DJI MIC
Mono with Safety Track:
Similar to Mono mode, the audio will be recorded in -6dB incase the
main track gets distorted due to a sudden increase in the audio volume of the source.
Stereo:
Under Stereo mode, the audio will be separated into left and right channels.
RX Gain:
Monitor Volume:
Can be reduced if the sound is distorted.
Tap to adjust the volume of the receiver.
TX Settings
Low Cut:
Transmitter Gain:
Reduce the gain accordingly when the volume bar turns red. Note that the transmitter gain
will affect the volume of the recorded audio.
REC
REC Stop Lock:
pressing the REC button to avoid unexpected operation.
Auto Record:
start internal recording when powering on.
Vibration Notification:
enabled, the transmitter will vibrate in the scenarios listed below.
Operation Vibration
Power on Vibrates for a short period
Power off Vibrates for a longer period
Start recording Vibrates for a short period
Stop recording Vibrates twice
LED Brightness:
Sounds that are 150 Hz or lower will be ltered if Low Cut is enabled.
Tap to adjust the transmitter input gain according to the real-time volume.
off by default. If REC Stop Lock is on, the user cannot stop recording when
off by default. When Auto record is enabled, the transmitter will automatically
Enable or disable vibration notication. Once Vibration Notication is
allows the user to set the brightness of the transmitter LEDs.
User Manual
General Settings
Link Device:
Brightness:
Language:
Tap to link the transmitter and receiver.
Tap to adjust the brightness of the screen.
The screen supports languages of English, Chinese Simplified, Chinese
Tranditional, Japanese, Korean, Thai, German, Spanish, French, Portuguese, Italian,
Russian, Turkish, Indonesian, and Polish.
Date and Time:
Restore:
Version:
Set the date and time for the recording le.
Tap to reset default settings.
Check the SN, receiver rmware version, and the connected transmitter rmware
version.
Compliance Information:
View the compliance information.
Slide Up
Slide up from the bottom of the screen to view and control recording, enable or disable mute, and
view the remaining recording time. Slide up from the bottom of the left side of the screen to adjust
the settings for transmitter 1 and slide up from the bottom of the right side of the screen to adjust
the settings of transmitter 2.
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DJI MIC
User Manual
Transmitter Recording
After powering on the transmitter, press the record button once to start recording and press again
to stop recording.
The recorded audio format of the transmitter is 24-bit mono WAV. When recording for an extended
period, the file will be separated automatically every 30 minutes. The max recording time is
approximately 14 hours, at which point newly recorded audio will overwrite the older recorded audio
if the storage is full.
Audio File
The recorded audio can be exported or deleted after connecting to a computer and can be
formatted via the receiver.
Updating Firmware
When there is new rmware available, update the rmware by connecting the transmitter and the
receiver to the computer separately.
How to update rmware:
1. Download the rmware on the product page at www.dji.com/mic/downloads.
2. Connect the transmitter or receiver to the computer using the USB-C cable provided.
3. Place the downloaded firmware update package .bin file under the root directories of the
transmitters and receiver.
4. The transmitters and receiver rmware updates will start automatically after disconnecting from
the computer.
If the rmware update fails, download the rmware again, reboot the receiver or transmitter, and
repeat the steps above. After the rmware update is completed, check the rmware version on the
receiver to ensure the rmware is updated successfully.
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User Manual
Charging Case Operations
It is recommended to charge the charging case using a 5V/2A charger. The charging case has
a built-in battery with a 1800 mAh. Place the transmitter and receiver into the charging case to
begin charging. With the charging case opened, the receiver displays the battery level of the three
devices and the remaining recording time of the transmitter. The transmitter and receiver will be
powered on once removed from the charging case. The total operating time is approximately 15
hours when using the transmitters, receiver, and the charging case together.
A mobile phone adapter and the hot shoe adapter can be placed into charging case either
mounted to the receiver or not.
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Specifications
Name DJI Mic Transmitter
Model AST01
Dimensions 47.3×30.4×20.0 mm
Weight 30 g
Wireless Mode GFSK 1 Mbps and 2 Mbps
Transmitter Power (EIRP) <20 dBm
Operating Frequency 2400-2483.5 MHz
Battery Type LiPo 1S
Capacity 320 mAh
Energy 1.23 Wh
Voltage 3.85 V
Charging Temperature 5° to 45° C (41° to 113° F)
Operating Temperature -10° to 45° C (14° to 113° F)
Charging Time 1 hour 10 minutes
Operating Time 5 hours 30 minutes
Microphone Directions Omnidirectional
Frequency Response Low Cut Disabled: 50 Hz - 20 KHz
Low Cut Enabled: 150 Hz - 20 KHz
Max Sound Pressure Level (SPL) 114 dB SPL
Max Input Level (3.5 mm) -17 dBV (THD < 0.1%)
Equivalent Noise 23 dBA
Monitor Interface Output Power Max Output 22mW@1kHz, 32Ω
Name DJI Mic Receiver
Model ASR01
Dimensions 47.4×32.2×17.4 mm
Weight 24.9 g
Wireless Mode GFSK 1 Mbps and 2 Mbps
Transmitter Power (EIRP) <20 dBm
Operating Frequency 2400-2483.5 MHz
Battery Type LiPo 1S
Capacity 320 mAh
Energy 1.23 Wh
Voltage 3.85 V
Charging Temperature 5° to 45° C (41° to 113° F)
Operating Temperature -10° to 45° C (14° to 113° F)
Charging Time 1 hour 10 minutes
Operating Time 5 hours
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DJI MIC
Name Charging Case
Model ASB01
Dimensions 103.1×61.9×41.5 mm
Weight 162.2 g
Battery Type LiPo 1S
Capacity 1800 mAh
Energy 10 Wh
Voltage 3.87 V
Charging Temperature 5° to 45° C (41° to 113° F)
Operating Temperature 5° to 45° C (41° to 113° F)
Charging Time 2 hours 40 minutes
Operating time Fully charge three devices simultaneously x1.8
After-Sales Information
https://www.dji.com/support
Visit
and support.
to learn more about after-sales service policies, repair services,
User Manual
This content is subject to change.
Download the latest version from
https://www.dji.com/mic
If you have any questions about this document, please contact
DJI by sending a message to
Copyright © 2023 DJI All Rights Reserved.
DocSupport@dji.com
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