1. Introducció
The BOYA BY-WM4 PRO K2 is a compact 2.4GHz wireless microphone system designed for capturing clear audio. It features a dual-channel receiver and two belt-pack transmitters, making it suitable for recording two sound sources simultaneously. This system is compatible with a wide range of devices including smartphones, DSLRs, consumer camcorders, and PCs, making it ideal for video production, podcasting, and mobile journalism applications.
Figure 1: BOYA BY-WM4 PRO K2 Wireless Microphone System Kit Contents
The system offers a reliable digital 2.4 GHz frequency band transmission, ensuring super-clear recording sound. Its lightweight and compact design allows for easy portability and discreet use. The receiver includes both an audio output and a headphone monitoring output, while the transmitters feature an innovative line input jack for external audio sources.
2. Contingut del paquet
The BY-WM4 PRO K2 system typically includes the following components:
- 1 x Dual-Channel Receiver (BY-WM4 PRO RX)
- 2 x Belt-pack Transmitters (BY-WM4 PRO TX)
- 2 x Omnidirectional Lavalier Microphones
- 1 x 3.5mm TRS to TRS Output Cable (for cameras)
- 1 x 3.5mm TRS to TRRS Output Cable (for smartphones)
- 1 x adaptador de muntatge de sabates fredes
- 2 x Microphone Clips
- 2 parabrises d'escuma
- 1 x Zipper Carry Bag
Figure 2: Complete BOYA BY-WM4 PRO K2 Package Contents
3. Identificació de components
Familiarize yourself with the main components of the transmitter and receiver:
Figure 3: Transmitter and Receiver Component Diagram
Transmitter (BY-WM4 PRO TX)
- LED d'alimentació: Indicates power status and pairing.
- Línia d'entrada: 3.5mm input for external audio sources.
- Entrada de micròfon: 3.5mm input for lavalier microphone.
- Apagada/engegada: Interruptor d'alimentació.
- Clip: Belt clip for attachment.
- Antena: For wireless signal transmission.
- "This button is for connecting signal": Botó d'aparellament.
Receiver (BY-WM4 PRO RX)
- LED d'alimentació: Indicates power status and pairing.
- Line OUT (audio output) jack: 3.5mm output to camera/smartphone.
- Presa per a auriculars: 3.5mm output for real-time audio monitoring.
- Volum +/-: Buttons to adjust the attenuation level of the input signal.
- Shoe mount adapter: For mounting on cameras.
- Apagada/engegada: Interruptor d'alimentació.
- Antena: For wireless signal reception.
4. Instruccions de configuració
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Instal·leu les bateries:
Open the battery compartment on each transmitter and the receiver. Insert two AAA batteries into each unit, ensuring correct polarity. Close the battery compartments securely.
Figure 4: Transmitter Battery Compartment
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Connect Lavalier Microphones:
Plug the 3.5mm connector of the lavalier microphone into the "Microphone input" jack on each transmitter. Secure the microphone to the subject's clothing using the provided clip, positioning it approximately 6-8 inches from the mouth for optimal sound capture. Attach the foam windscreen to reduce plosives and wind noise.
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Connecteu el receptor al dispositiu de gravació:
- For Cameras (DSLR, Camcorders): Use the supplied 3.5mm TRS to TRS cable. Connect one end to the "Line OUT" jack on the receiver and the other end to the microphone input jack on your camera.
- For Smartphones/PCs: Use the supplied 3.5mm TRS to TRRS cable. Connect the TRS end to the "Line OUT" jack on the receiver and the TRRS end to the headphone/microphone jack on your smartphone or PC.
Figure 5: Receiver connected to a camera
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Muntar el receptor:
If using with a camera, slide the receiver onto the camera's cold shoe mount using the provided shoe mount adapter.
5. Instruccions de funcionament
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Encès:
Slide the Power OFF/ON switch on both transmitters and the receiver to the "ON" position. The Power LED on each unit should illuminate.
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Maridatge:
The units should automatically pair. If they do not, press the "connecting signal" button on the transmitter(s) to initiate pairing. The Power LED will indicate successful pairing (e.g., solid blue light).
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Ajustar el volum:
Use the "Volume +/-" buttons on the receiver to adjust the audio output level to your recording device. It is recommended to set the receiver's output level to a moderate setting and fine-tune the input level on your recording device.
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Monitor d'àudio:
Plug headphones into the "Earphone Jack" on the receiver to monitor the audio in real-time and ensure optimal sound quality before and during recording.
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Using Line Input (Transmitter):
If you wish to record external audio (e.g., background music from a phone or audio player) directly through the transmitter, connect the external audio source to the "Line In" jack on the transmitter. This audio will be mixed with the lavalier microphone audio.
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Gamma d’operacions:
The system has an operation range of up to 60 meters (197 feet) without obstacles. Maintain a clear line of sight between the transmitter(s) and receiver for best performance.
Figura 6: Example of BY-WM4 PRO K2 in use for dual-subject recording
6. Manteniment
- Substitució de la bateria: Replace AAA batteries in both transmitters and the receiver when the power indicator shows low battery or when performance degrades.
- Neteja: Feu servir un drap suau i sec per netejar les unitats. No utilitzeu productes químics agressius ni materials abrasius.
- Cura del micròfon: Regularly check and replace foam windscreens if they become worn or dirty to maintain optimal sound quality.
- Emmagatzematge: Store the system in the provided zipper bag when not in use to protect it from dust, moisture, and physical damage. Keep it in a cool, dry place.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense sortida d'àudio |
|
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| Poor audio quality (static, dropouts) |
|
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| Àudio distorsionat |
|
|
8. Especificacions
| Característica | Detall |
|---|---|
| Nom de marca | BOYA |
| Model | BY-WM4 PRO K2 |
| Comunicació | Sense fil |
| Establir tipus | Kits de múltiples micròfons |
| Transductor | Micròfon de condensador |
| Ús | Pro Studio, Vlogging, Mobile Journalism |
| Estil | micròfon de solapa |
| Patrons polars | Omnidireccional |
| Modulació RF | GFSK (Gauss Frequency Shift Keying) |
| Banda de freqüència | 2.4 GHz (2405-2478 MHz) |
| Resposta de freqüència | 35Hz-14KHz ± 3dB |
| Senyal / soroll | 84 dB o més |
| Distorsió | 0.05% or less (32ohm, 1 KHz, 65 mW output) |
| Nivell de sortida de RF | 3 mW |
| Earphone Output Level | 32ohm, 65mW |
| Sensibilitat de recepció | -90dB+/- 3dB / 0dB=1V/Pa, 1KHz |
| Connector d'entrada d'àudio | Mini connector de 3.5 mm |
| Interval d'operació | 60 m (sense obstacles) |
| Requisit d'energia | 2 * AAA battery (per unit) |
| Transmitter Consumption Power | 3V/70mA |
| Receiver Consumption Power | 3V/70mA |
| Transmitter & Receiver Size | 4.5 * 7 * 3.5cm (1.8 * 2.8 * 1.4in) |
| Transmitter & Receiver Weight | 47 g (sense bateria) |
| Certificació | CE, FCC |
9. Consells d'usuari
- Ús versàtil: This microphone system is highly versatile due to its omnidirectional polar patterns, making it suitable for various recording environments and subject movements.
- Àudio clar: For the best audio quality, ensure the lavalier microphones are positioned correctly and the units are within the optimal operating range, free from major obstructions.
- Pro Studio Ready: The system is designed for professional studio use, offering reliable performance for high-quality audio capture.
- Durada de la bateria: While the units offer approximately 6 hours of operation, always carry spare AAA batteries for extended recording sessions.
10. Garantia i Suport
The BOYA BY-WM4 PRO K2 system is certified with CE and FCC standards, ensuring compliance with relevant safety and performance regulations.
For warranty information, technical support, or service inquiries, please contact BOYA Official Store customer service or refer to the official BOYA weblloc web. Conserveu el rebut de compra com a comprovant de compra per a qualsevol reclamació de garantia.
