Boya BY-WM4 PRO RXD, BY-WM4 PRO RXU Manual
BY-WM4 PRO RXD
For iOS devices
Receiver
![Boya - BY-WM4 PRO RXD - Receiver Overview Receiver Overview]()
- Headphone Jack
(3.5mm diameter stereo mini jack)
To monitor the receiver output, connect the headphones to this connector.
NOTE:
Do not connect headphones with a monaural mini jack.
This may lead to short-circuiting of the headphone output, resulting in distorted sound output. - Power LED
For more details about LED indicator, please refer to as following: Status | Receiver | Transmitter |
The transmitter and the receiver connects. | The indicator won't light up until you turn on the audio/video app. | Flashes continually every 2.5 seconds. |
The transmitter and the receiver disconnects. | Flashes continually every 1 second. | Flashes continually every 1 second. |
Receiver unit is turned OFF(Transmitter is still ON) | Off | Flashes in blue |
Transmitter unit is turned OFF(Receiver is still ON) | Flashes in blue | Off |
Low power | / | Flashes in red |
The transmitter and the receiver waits for pairing | Flashes quickly in blue light |
- Lightning Connector
- Volume +/-
Press these buttons to set the attenuation level of the input signal. - Pair Bottom
For more details, please see "Connecting the transmitter and the receiver". - M/S Switch
- Built-In Internal Antenna
Set Up Guide
![]()
- Plug the BY-WM4 PRO RXD directly into the lightning port of smartphone.
- Open the audio/video app on mobile device, then the indicator of receiver should be light up.
- The Power LED flashes slowly waiting for connecting with the transmitter.
Connecting the transmitter and the Receiver
Before leaving factory, the connection of transmitters and receiver will be established.
If transmitters and receiver disconnect, please follow below steps:
![Boya - BY-WM4 PRO RXD - Connecting the transmitter and the Receiver Connecting the transmitter and the Receiver]()
- Turn on the transmitter and plug the receiver into smartphone.
- Long press the pair bottom of receiver with pair pin, the indicator of receiver will flash quickly when entering paring mode.
- Long press the pair button on the side of the transmitter entering the pairing mode.
- When the transmitter and receiver connected, the light of receiver stays blue, and transmitter flashes every 2.5 seconds.
Otherwise, the light of receiver and transmitter will flash continually every 1 second, then try 1-3 steps again.
NOTE:
- Please adjust the monitoring audio volume of BY-WM4 PRO RXD before recording.
BY-WM4 PRO RXU
For Android and other Type-C devices
Receiver
![Boya - BY-WM4 PRO RXD - Receiver Overview Receiver Overview]()
- Headphone Jack
(3.5mm diameter stereo mini jack)
To monitor the receiver output, connect the headphones to this connector.
NOTE:
Do not connect headphones with a monaural mini jack. This may lead to short-circuiting of the headphone output, resulting in distorted sound output. - Power LED
For more details about LED indicator, please refer to as following: Status | Receiver | Transmitter |
The transmitter and the receiver connects. | The indicator won't light up until you turn on the audio/video app. | Flashes continually every 2.5 seconds. |
The transmitter and the receiver disconnects. | Flashes continually every 1 second. | Flashes continually every 1 second. |
Receiver unit is turned OFF(Transmitter is still ON) | Off | Flashes in blue |
Transmitter unit is turned OFF(Receiver is still ON) | Flashes in blue | Off |
Low power | / | Flashes in red |
The transmitter and the receiver waits for pairing | Flashes quickly in blue light |
- USB Type-C Connector
- Volume +/-
Press these buttons to set the attenuation level of the input signal. - Pair Bottom
For more details, please see "Connecting the transmitter and the receiver". - M/S Switch
- Built-In Internal Antenna
Set Up Guide
![]()
- Plug the BY-WM4 PRO RXU directly into the lightning port of smartphone.
- The Power LED flashes slowly waiting for connecting with the transmitter.
Connecting the transmitter and the Receiver
Before leaving factory, the connection of transmitters and receiver will be established.
If transmitters and receiver disconnect, please follow below steps:
![]()
- Turn on the transmitter and plug the receiver into smartphone.
- Long press the pair bottom of receiver with pair pin, the indicator of receiver will flash quickly when entering paring mode.
- Long press the pair button on the side of the transmitter entering the pairing mode.
- When the transmitter and receiver connected, the light of receiver stays blue, and transmitter flashes every 2.5 seconds.
Otherwise, the light of receiver and transmitter will flash continually every 1 second, then try 1-3 steps again.
NOTE:
- Please adjust the monitoring audio volume of BY-WM4 PRO RXU before recording.
Specifications
Modulation: | GFSK (Gauss Frequency Shift Keying) |
Frequency Band: | 2.4GHz (2405-2478MHz) |
Antenna: | PIFA antenna |
Plug: | BY-WM4 PRO RXU:USB Type-C Connector |
BY-WM4 PRO RXD:Apple MFi Certified Lightning Connector |
Operating Range: | Up to 60m (197ft) without obstacle |
Power Requirements: | BY-WM4 PRO RXU:Supplied by USB Type-C Connector |
BY-WM4 PRO RXD:Supplied by iOS device |
Dimensions: | BY-WM4 PRO RXU:82×30.7×12mm (3.2x1.2x0.5") |
BY-WM4 PRO RXD:82×30.7×12mm (3.2x1.2x0.5") |
Weight: | BY-WM4 PRO RXU:9.5g (0.3oz) |
BY-WM4 PRO RXD:12g (0.4oz) |
Documents / ResourcesDownload manual
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
Download Boya BY-WM4 PRO RXD, BY-WM4 PRO RXU Manual
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