BOYA BY-W4 Ultracompact 2.4GHz Four-channel Wireless Microphone System
User Manual
General Introduction
Thanks for choosing BOYA!
The BY-W4 is an ultra-compact and portable 2.4GHz four-channel wireless microphone system, compatible with cameras, smartphones, tablets, PCs, and more, supporting up to 7 hours of runtime. It offers two patterns: one RX-to-four TX, or one RX-to-two TX, allowing it to pick up sounds from one or up to four people. The BY-W4 is ideal for content creation, live streaming, vlogging, mobile journalism, and much more.
Packing List
- 4x BY-W4 TX Transmitter
- 1x BY-W4 RX Receiver
- 1x 3.5mm TRRS to TRS Output Cable for Cameras
- 1x 3.5mm TRRS to TRRS Output Cable for Smartphones
- 1x 3.5mm TRRS Male to Dual TRRS Female Cable
- 3x USB-C Charging Cable
- 4x Fur Windshield
- 1x Carrying Pouch
Product Structure - Wireless Transmitter BY-W4 TX
Diagram Description:
- 1. BOYA TX unit (cylindrical body with "BOYA" logo and "TX" label)
- 2. Belt Clip (integrated into the back of the unit)
- 3. Power/Mute Button (circular button on the side)
- 4. Gain Control (+/- Buttons) (two small buttons on the side)
- 5. Built-in Microphone (grille on the top of the unit)
- 6. USB-C Charging Port (located on the bottom of the unit)
1. Status Indicator
Status | Indicator |
---|---|
Unpaired | Blinking blue(green) slowly |
Pairing | Blinking blue(green) rapidly |
Paired Successfully | Static blue(green) |
Mute ON | Blinking red slowly |
Maximum/ Minimum Gain | Blinking blue(green) twice rapidly |
Low Battery | Blinking red rapidly |
Charging | Static red |
Fully Charged | Red light off |
Pattern Indicators:
- Blue: One RX-to-four TX pattern (Default setting)
- Green: One RX-to-two TX pattern
⚠️ Note:
- 1) Please charge the transmitter when TX indicates low battery status, or it will automatically shut off within 10 minutes.
- 2) The transmitter will automatically return to the last pattern when next turned on.
2. Power/Mute Button
Function | Operation |
---|---|
Power ON/OFF | Press and hold for 2.5 seconds |
Mute ON/OFF | Press once |
Enter/Exit pairing status | Press twice |
Patterns toggle | Press and hold for 10 seconds in shutdown mode |
⚠️ Note: If the pairing is not completed within 2 minutes, the transmitter will automatically exit the pairing status.
3. Gain Control (+/- Button)
- Press the "+" or "-" button to adjust mic gain. (The setting is retained even after the power is turned off.)
- If the maximum/minimum level is reached, the indicator will blink blue(green) twice rapidly.
4. Belt Clip
5. Built-in Microphone
6. USB-C Charging Port
For charging the transmitter using the included USB-C charging cable.
Product Structure - Wireless Receiver BY-W4 RX
Diagram Description:
- 1. BOYA RX unit (cylindrical body with "BOYA" logo and "RX" label)
- 2. Belt Clip (integrated into the back of the unit)
- 3. Power Button (circular button on the side)
- 4. 3.5mm TRRS Output Jack (located on the top of the unit)
- 5. USB-C Charging Port (located on the bottom of the unit)
1. Status Indicator
Status | Indicator |
---|---|
Unpaired | Blinking blue(green) slowly |
Pairing | Blinking blue(green) rapidly |
Paired Successfully | Static blue(green) |
Low Battery | Blinking red rapidly |
Charging | Static red |
Fully Charged | Red light off |
Pattern Indicators:
- Blue: One RX-to-four TX pattern (Default setting)
- Green: One RX-to-two TX pattern
⚠️ Note:
- 1) Please charge the receiver when RX indicates low battery status, or it will automatically shut off within 10 minutes.
- 2) The receiver will automatically return to the last pattern when next turned on.
2. Power Button
Function | Operation |
---|---|
Power ON/OFF | Press and hold for 2.5 seconds |
Mute ON/OFF | Press once |
Enter/Exit pairing status | Press twice |
Patterns toggle | Press and hold for 10 seconds in shutdown mode |
⚠️ Note: If the pairing is not completed within 2 minutes, the receiver will automatically exit the pairing status.
3. Belt Clip
4. 3.5mm TRRS Output
For audio output to a camera, mixer, smartphone, tablet, or computer, etc. Or plug in a 3.5mm headphone to monitor the recording.
5. USB-C Charging Port (DC 5V)
For charging the receiver using the included USB-C charging cable.
How to Use
- Connect the receiver to the mic input of a camera, recorder or mixer with the included 3.5mm TRRS to TRS cable. Or connect the RX to a smartphone, tablet, or computer with the included 3.5mm TRRS to TRRS cable.
- If there is a need for monitoring audio in real-time, the included 3.5mm TRRS male to dual TRRS female cable should be used to connect the RX receiver to your device, and the other jack can be connected to your headphones.
- Press and hold the power button for 2.5 seconds to turn on the transmitter(s) and receiver.
- Pairing
Before leaving factory, the system is pre-paired. Therefore, the connection will be established once they are powered on. If they are disconnected, please follow below steps:- When both the transmitter(s) and receiver are in the one-to-four (one-to-two) pattern, press the transmitter(s)' power button twice to enter the pairing status, and its indicator blinks blue (green) rapidly.
- Press the receiver's power button twice to enter the pairing status, and its indicator blinks blue (green) rapidly.
- Transmitter(s) and receiver will be successfully paired within 3 seconds. The indicators of both will turn static blue(green).
- You are ready to record.
ℹ️ Hints:
- 1) Make sure the transmitter(s) and receiver that need to be paired are in the same pattern.
- 2) When pairing, please operate the transmitter(s) first, and then the receiver.
- 3) If any transmitter fails to pair, press the power button of all transmitters and the receiver in turn to re-enter the pairing status.
⚠️ Note: Due to the 2.4GHz wireless frequency is widely used, the signal may be easily attenuated or interfered. Please try to avoid obstacles while using, such as walls and buildings. And keep away from the devices with 2.4GHz frequency, such as high-power Wi-Fi antennas, radios, etc.
Specifications
BY-W4 TX
Specification | Value |
---|---|
Transmission Type | 2.4GHz ISM |
Modulation | GFSK |
Polar Pattern | Omnidirectional |
Operating Range | Up to 30m (without obstacles) |
RF Output Power | <10mW |
Frequency Response | 50Hz-16kHz |
SNR | > 78dB |
Sensitivity | -42dB |
Built-in Li-ion Battery Specifications | 3.7V/ 110mAh |
Charging Port | USB-C |
Charging Time | Approx. 2 hours |
Battery Life | Approx. 7 hours |
Weight | Approx. 12.5g |
Dimensions | 17.7×59×10mm |
BY-W4 RX
Specification | Value |
---|---|
Transmission Type | 2.4GHz ISM |
Modulation | GFSK |
Operating Range | Up to 30m (without obstacles) |
RF Output Power | <10mW |
Audio Output | 3.5 mm TRRS Output Jack |
Built-in Li-ion Battery Specifications | 3.7V/ 200mAh |
Charging Port | USB-C |
Charging Time | Approx. 2 hours |
Battery Life | Approx. 7 hours |
Weight | Approx. 18g |
Dimensions | 20.2×65×12.8mm |
Contact Information
SHENZHEN JIAYZ PHOTO INDUSTRIAL., LTD.
The BOYA logo is a trademark which is registered and owned by Shenzhen Jiayz Photo Industrial., Ltd.
深圳市长丰影像器材有限公司
Address: A16, Silicon Valley Power Intelligent Terminal Industrial Park, Dafu Community, Guanlan Street, Longhua District, Shenzhen, Guangdong Province
TEL: 400 6131096
Email: sales@boya-mic.com
Website: www.boya-mic.com / www.jiayz.com