BOYA BY-WM4 PRO

BOYA WM4 PRO-K2 2.4GHz Wireless Lavalier Microphone System User Manual

Brand: BOYA | Model: BY-WM4 PRO

1. oorview

The BOYA WM4 PRO-K2 is a compact and easy-to-use 2.4 GHz wireless lavalier microphone system designed for clear sound recording. It features two omnidirectional lavalier transmitters and one receiver, making it ideal for interviews, audio recording, video recording, and vlogging. The system supports real-time sound monitoring and offers an operation range of up to 50 meters (164 feet) without obstacles. It is compatible with a wide range of devices including smartphones, DSLR cameras, consumer camcorders, and PCs.

BOYA WM4 PRO-K2 Wireless Lavalier Microphone System with two transmitters and one receiver

Image 1.1: The BOYA WM4 PRO-K2 system components, including two transmitters, one receiver, and a lavalier microphone.

2. Pakketinhoud

The BOYA WM4 PRO-K2 system includes the following items:

  • 2 x BY-WM4 PRO Transmitters (TX)
  • 1 x BY-WM4 PRO Receiver (RX)
  • 2 x Lapelmikrofone
  • 1 x 3.5mm to TRS Audio Output Cable
  • 1 x 3.5mm to TRRS Audio Output Cable
  • 1 x Koue Shoe Mount
  • 1 x Hard Case
  • 2 x Foam Windscreens
  • 2 x Harige Windskerms
  • 1 x USB-C laaikabel
  • 1 x USB-C na USB-A-adapter
  • Waarborgkaart
All components of the BOYA WM4 PRO-K2 Wireless Lavalier Microphone System laid out

Image 2.1: All items included in the BOYA WM4 PRO-K2 package.

3. Opstelling

  1. Installeer batterye: Insert two AAA batteries into each transmitter and the receiver.
  2. Koppel mikrofone: Plug the lapel microphones into the 'LINE IN' port on the transmitters.
  3. Attach Receiver to Device:
    • For DSLR cameras/camcorders: Use the 3.5mm to TRS audio output cable. Attach the receiver to your camera's hot shoe using the cold shoe mount.
    • For smartphones/PCs: Use the 3.5mm to TRRS audio output cable.
  4. Krag aan: Turn on both transmitters and the receiver. The units are pre-paired from the factory. If re-pairing is needed, refer to the 'Operating Instructions' section.
BOYA WM4 PRO-K2 receiver connected to a smartphone on a tripod

Image 3.1: The receiver unit connected to a smartphone for recording.

Video 3.1: An official product video demonstrating the BOYA Wireless Microphone system setup and usage.

4. Bedryfsinstruksies

  • Saambinding: The units are factory-paired. If re-pairing is necessary, ensure both transmitter(s) and receiver are powered on. Press and hold the 'Pair' button on both units until the indicator lights show a stable connection.
  • Plasing: Clip the transmitter(s) to your clothing, close to the sound source, for optimal audio capture.
  • Monitering: The receiver supports real-time sound monitoring via its headphone jack. Connect headphones to monitor audio quality during recording.
  • Reeks: The system operates effectively up to 50 meters (164 feet) in open, obstacle-free environments. Performance may vary in areas with interference or physical obstructions.
  • Laai tydens opname: The receiver features a pass-through charging port, allowing you to charge your smartphone or recording device while the microphone system is in use.
Close-up of BOYA WM4 PRO-K2 receiver and transmitter showing ports

Beeld 4.1: Nabyskoot view of the receiver and transmitter ports, including line-in/out and charging ports.

5. Onderhoud

  • Skoonmaak: Gebruik 'n sagte, droë lap om die eenhede skoon te maak. Vermy die gebruik van harde chemikalieë of skuurmiddels.
  • Berging: Store the microphone system in its hard case when not in use to protect it from dust, moisture, and physical damage.
  • Battery vervanging: Replace AAA batteries as needed. Ensure correct polarity when inserting new batteries.
  • Voorruitversorging: Regularly clean or replace foam and furry windscreens to maintain optimal audio quality and prevent debris accumulation.

6. Probleemoplossing

  • Geen klank/swak oudio:
    • Ensure all units are powered on and properly paired.
    • Check battery levels in both transmitters and receiver.
    • Verify that the correct audio output cable (TRS for cameras, TRRS for smartphones) is used and securely connected.
    • Confirm that the microphone is properly plugged into the transmitter.
    • Adjust the recording level on your recording device.
  • Interferensie/Uitval:
    • Verminder die afstand tussen die sender en ontvanger.
    • Avoid areas with strong electromagnetic interference (e.g., Wi-Fi routers, microwaves).
    • Ensure there are no large physical obstructions between the transmitter and receiver.
  • Eenhede wat nie koppel nie:
    • Power cycle all units (turn off, then on again).
    • Perform a manual re-pairing process as described in 'Operating Instructions'.

7. Spesifikasies

KenmerkSpesifikasie
HandelsmerkBOYA
ModelnommerBY-WM4 PRO
Verbindingstegnologie2.4 GHz draadloos
MikrofoonvormfaktorLavalier
Polêre patroonOmnirigting
Aantal kanale2
Operasie ReeksTot 50 m (164 vt) sonder hindernis
KragbronBattery Powered (2 AA batteries required per unit)
Sein-tot-geraas verhouding84 dB
Audio Sensitiwiteit90 Desibel
Frekwensierespons14 KHz
Itemafmetings L x B x H6.3 x 5.91 x 1.57 duim
Item gewig10.2 onse (290 gram)
Versoenbare toestelleCamera, Smartphone, Camcorder, PC
Connector Tipe3.5 mm-aansluiting

8. Waarborg en Ondersteuning

BOYA offers a 12-month product warranty and post-sales service. If you are not satisfied with your product or encounter any issues, please contact BOYA customer support for assistance.