1. Končanoview
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.

Image 1.1: The BOYA WM4 PRO-K2 system components, including two transmitters, one receiver, and a lavalier microphone.
2. Vsebina paketa
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 Lapel Microphones
- 1 x 3.5mm to TRS Audio Output Cable
- 1 x 3.5mm to TRRS Audio Output Cable
- 1 x nastavek za hladni čevelj
- 1 x trdi etui
- 2 x Foam Windscreens
- 2 x Furry Windscreens
- 1 x polnilni kabel USB-C
- 1 x USB-C v USB-A adapter
- Garancijska kartica

Image 2.1: All items included in the BOYA WM4 PRO-K2 package.
3. Nastavitev
- Namestite baterije: Insert two AAA batteries into each transmitter and the receiver.
- Priključite mikrofone: Plug the lapel microphones into the 'LINE IN' port on the transmitters.
- 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.
- Vklop: 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.

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. Navodila za uporabo
- Seznanjanje: 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.
- Umestitev: Clip the transmitter(s) to your clothing, close to the sound source, for optimal audio capture.
- Spremljanje: The receiver supports real-time sound monitoring via its headphone jack. Connect headphones to monitor audio quality during recording.
- Razpon: 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.
- Polnjenje med snemanjem: The receiver features a pass-through charging port, allowing you to charge your smartphone or recording device while the microphone system is in use.

Slika 4.1: Bližnji posnetek view of the receiver and transmitter ports, including line-in/out and charging ports.
5. Vzdrževanje
- Čiščenje: Za čiščenje enot uporabljajte mehko, suho krpo. Izogibajte se uporabi agresivnih kemikalij ali abrazivnih materialov.
- Shranjevanje: Store the microphone system in its hard case when not in use to protect it from dust, moisture, and physical damage.
- Zamenjava baterije: Replace AAA batteries as needed. Ensure correct polarity when inserting new batteries.
- Nega vetrobranskega stekla: Regularly clean or replace foam and furry windscreens to maintain optimal audio quality and prevent debris accumulation.
6. Odpravljanje težav
- Ni zvoka/slab zvok:
- Prepričajte se, da so vse enote vklopljene in pravilno seznanjene.
- 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.
- Motnje/izpadi:
- Zmanjšajte razdaljo med oddajnikom in sprejemnikom.
- Avoid areas with strong electromagnetic interference (e.g., Wi-Fi routers, microwaves).
- Ensure there are no large physical obstructions between the transmitter and receiver.
- Enote se ne združujejo:
- Power cycle all units (turn off, then on again).
- Perform a manual re-pairing process as described in 'Operating Instructions'.
7. Specifikacije
| Funkcija | Specifikacija |
|---|---|
| Znamka | BOJA |
| Številka modela | BY-WM4 PRO |
| Tehnologija povezljivosti | 2.4 GHz brezžično |
| Faktor oblike mikrofona | Lavalier |
| Polarni vzorec | Vsesmerno |
| Število kanalov | 2 |
| Območje delovanja | Up to 50m (164ft) without obstacle |
| Vir napajanja | Battery Powered (2 AA batteries required per unit) |
| Razmerje med signalom in hrupom | 84 dB |
| Audio Občutljivost | 90 decibelov |
| Frekvenčni odziv | 14 KHz |
| Dimenzije artikla D x Š x V | 6.3 x 5.91 x 1.57 palcev |
| Teža predmeta | 10.2 unče (290 grama) |
| Združljive naprave | Camera, Smartphone, Camcorder, PC |
| Vrsta priključka | 3.5 mm Jack |
8. Garancija in podpora
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.





