1. Úvod
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. Obsah balení
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 Cold Shoe Mount adaptér
- 2 x klipy na mikrofon
- 2 x Foam Windscreens
- 1 x Zipper Carry Bag
Figure 2: Complete BOYA BY-WM4 PRO K2 Package Contents
3. Identifikace součásti
Familiarize yourself with the main components of the transmitter and receiver:
Figure 3: Transmitter and Receiver Component Diagram
Transmitter (BY-WM4 PRO TX)
- LED napájení: Indicates power status and pairing.
- Linkový vstup: 3.5mm vstup pro externí audio zdroje.
- Vstup pro mikrofon: 3.5mm input for lavalier microphone.
- Power OFF/ON: Vypínač.
- Klip: Belt clip for attachment.
- Anténa: Pro bezdrátový přenos signálu.
- "This button is for connecting signal": Tlačítko párování.
Receiver (BY-WM4 PRO RX)
- LED napájení: Indicates power status and pairing.
- Line OUT (audio output) jack: 3.5mm output to camera/smartphone.
- Sluchátkový konektor: 3.5mm output for real-time audio monitoring.
- Hlasitost +/-: Buttons to adjust the attenuation level of the input signal.
- Shoe mount adapter: For mounting on cameras.
- Power OFF/ON: Vypínač.
- Anténa: Pro příjem bezdrátového signálu.
4. Pokyny k nastavení
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Nainstalujte baterie:
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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Connect Receiver to Recording Device:
- 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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Namontujte přijímač:
If using with a camera, slide the receiver onto the camera's cold shoe mount using the provided shoe mount adapter.
5. Návod k obsluze
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Zapnutí:
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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Párování:
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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Upravit hlasitost:
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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Zvuk monitoru:
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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Provozní rozsah:
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.
Obrázek 6: Přample of BY-WM4 PRO K2 in use for dual-subject recording
6. Údržba
- Výměna baterie: Replace AAA batteries in both transmitters and the receiver when the power indicator shows low battery or when performance degrades.
- Čištění: K čištění jednotek používejte měkký, suchý hadřík. Nepoužívejte agresivní chemikálie ani abrazivní materiály.
- Péče o mikrofon: Regularly check and replace foam windscreens if they become worn or dirty to maintain optimal sound quality.
- Skladování: 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. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Žádný audio výstup |
|
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| Poor audio quality (static, dropouts) |
|
|
| Zkreslený zvuk |
|
|
8. Specifikace
| Funkce | Detail |
|---|---|
| Název značky | BOYA |
| Model | BY-WM4 PRO K2 |
| Sdělení | Bezdrátový |
| Nastavte typ | Soupravy pro více mikrofonů |
| Převodník | Kondenzátorový mikrofon |
| Použití | Pro Studio, Vlogging, Mobile Journalism |
| Styl | klopový mikrofon |
| Polární vzory | Všesměrový |
| RF modulace | GFSK (Gauss Frequency Shift Keying) |
| Frekvenční pásmo | 2.4 GHz (2405-2478 MHz) |
| Frekvenční odezva | 35 Hz - 14 KHz ± 3 dB |
| Signál/šum | 84 dB nebo více |
| Zkreslení | 0.05% or less (32ohm, 1 KHz, 65 mW output) |
| RF výstupní úroveň | 3 mW |
| Earphone Output Level | 32ohm, 65mW |
| Citlivost příjmu | -90dB+/- 3dB / 0dB=1V/Pa, 1KHz |
| Konektor pro audio vstup | 3.5mm mini jack |
| Provozní rozsah | 60m (197ft) (bez překážek) |
| Požadavek na napájení | 2 * AAA battery (per unit) |
| Transmitter Consumption Power | 3V/70mA |
| Receiver Consumption Power | 3V/70mA |
| Transmitter & Receiver Size | 4.5 * 7 * 3.5 cm (1.8 * 2.8 * 1.4 palce) |
| Transmitter & Receiver Weight | 47 g (1.7 oz) (bez baterie) |
| Osvědčení | CE, FCC |
9. Uživatelské tipy
- Všestranné použití: This microphone system is highly versatile due to its omnidirectional polar patterns, making it suitable for various recording environments and subject movements.
- Čistý zvuk: 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.
- Životnost baterie: While the units offer approximately 6 hours of operation, always carry spare AAA batteries for extended recording sessions.
10. Záruka a podpora
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 webUschovejte si účtenku jako doklad o koupi pro případné reklamace.
