BOYA by-WM8 Pro Dual-Channels Lavalier Wireless Microphone System User Manual

1. Introduction and Overview

The BOYA BY-WM8 Pro-K1 is an upgraded UHF Dual-Channel Wireless Microphone System designed for capturing audio with dual subjects. It features an easy-to-read LCD display, a wide switching RF bandwidth, PLL-synthesized tuning, and digital companding circuitry. This system is suitable for a wide range of wireless applications including interviews, electronic news gathering (ENG), electronic field productions (EFP), film production, business and educational applications, Broadcast TV, and News Gathering.

Image: The BOYA by-WM8 Pro wireless microphone system, featuring both the receiver and transmitter units.

2. Product Features

• UHF Dual-Channel System: Designed for capturing audio from two subjects simultaneously.
• Extended Operating Range: Achieves up to 100m (300 feet) range in obstacle-free environments.
• Long Battery Life: Provides more than 6 hours of continuous operation on two AA batteries per unit.
• Real-time Monitoring: Features a headphone output on the receiver for live audio monitoring.
• Versatile Connectivity: Receiver includes mic and headphone output jacks. Transmitter features both MIC and LINE IN jacks.
• Clear Display: Easy-to-read LCD displays for convenient settings adjustment.
• Flexible Settings: Adjustable gain and switchable mono/stereo modes for diverse recording needs.
• Advanced Audio Processing: Includes PLL-synthesized tuning and digital companding circuitry for high-quality sound.
• Robust Design: Professional circuit design with anti-image interference for reliable performance.

Image: Visual representation of the system's powerful configuration and multiple functions.

3. Package Contents

The BOYA by-WM8 Pro-K1 system typically includes the following components:

• 1 x BY-WM8 Pro Portable Receiver
• 1 x BY-WM8 Pro Bodypack Transmitter
• 1 x Omnidirectional Lavalier Microphone
• 1 x 3.5mm TRS to TRS Output Cable
• 1 x 3.5mm TRS to XLR Output Cable
• 1 x Cold Shoe Mount Adapter
• 1 x Belt Clip
• 1 x Windscreen for Lavalier Microphone
• 1 x User Manual
• 1 x Warranty Card

4. Setup

Follow these steps to set up your BOYA by-WM8 Pro wireless microphone system:

1. Install Batteries: Open the battery compartment on both the transmitter and receiver and insert two AA batteries into each unit, observing polarity.
2. Attach Belt Clip/Cold Shoe Mount: Secure the belt clip to the back of the transmitter and receiver for easy attachment to clothing or camera.
3. Connect Lavalier Microphone: Plug the 3.5mm jack of the lavalier microphone into the 'MIC' input on the bodypack transmitter. Ensure the windscreen is properly attached to the microphone.
4. Connect Receiver to Recording Device: Use the appropriate output cable (3.5mm TRS to TRS for cameras/smartphones or 3.5mm TRS to XLR for professional camcorders) to connect the receiver's 'LINE OUT' jack to your recording device's audio input.
5. Power On: Press and hold the power button on both the transmitter and receiver until the LCD screen illuminates.
6. Channel Pairing: The units should automatically pair. If not, refer to the 'Operating Instructions' for manual channel selection and pairing.

Image: Labeled diagram of the BY-WM8 Pro transmitter, highlighting key ports and controls.

Setup Video Guide

Video: An official video demonstrating the unboxing and initial setup of the BOYA UHF Wireless Lavalier Microphone System, including connecting components and basic operation.

5. Operating Instructions

• Power On/Off: Press and hold the 'POWER' button to turn the units on or off.
• LCD Display: The LCD screen displays channel information, battery status, and audio levels.
• Channel Selection: Use the '+' and '-' buttons to navigate through available channels. Press 'SET' to confirm your selection. Ensure both transmitter and receiver are on the same channel for proper operation.
• Gain Adjustment: On the transmitter, use the gain control to adjust the microphone input level. Monitor audio via the receiver's headphone output to prevent clipping.
• Monitoring Audio: Plug headphones into the receiver's 'HEADPHONE' jack to monitor the incoming audio in real-time.
• Mute Function: The transmitter features a mute function, typically activated by a short press of the 'POWER/MUTE' button.
• Mono/Stereo Mode: The receiver allows switching between mono and stereo output modes. Select the mode appropriate for your recording setup.

Image: The receiver unit highlighting headphone monitoring, LCD displays, and multiple setting options.

6. Maintenance

• Cleaning: Use a soft, dry cloth to clean the units. Avoid using harsh chemicals or abrasive materials.
• Battery Care: Remove batteries if the units will not be used for an extended period to prevent leakage and corrosion.
• Storage: Store the system in a cool, dry place, away from direct sunlight and extreme temperatures.
• Cable Care: Handle cables carefully to prevent kinks or damage to connectors.

7. Troubleshooting

No Sound

• Check battery levels on both units.
• Ensure transmitter and receiver are powered on.
• Verify that both units are set to the same channel.
• Check all cable connections between the receiver and your recording device.
• Adjust gain levels on the transmitter and input levels on your recording device.
• Ensure the lavalier microphone is securely plugged into the transmitter.

Poor Sound Quality/Interference

• Move away from potential sources of interference (e.g., Wi-Fi routers, other wireless devices, strong electromagnetic fields).
• Try a different channel.
• Ensure the transmitter and receiver are within the optimal operating range (100m/300ft without obstacles).

Short Operating Range

• Check battery levels on both units.
• Ensure there are no major physical obstructions (walls, large metal objects) between the transmitter and receiver.

8. Specifications

Image: Compatibility overview of the BY-WM8 Pro system with different recording devices.

9. Warranty and Support

BOYA offers a 12-month product warranty and post-sales service for this system. For further assistance or warranty claims, please visit the BOYA Official Store on Amazon or contact their customer service directly.