1. Introduction
The FULAIM WM400 UHF Wireless Lavalier Microphone System is designed for high-quality audio recording across various applications, including YouTube live streams, vlogging, interviews, and conferences. This system offers stable signal transmission, wide compatibility, and user-friendly features for both beginners and professionals.
Image: FULAIM WM400 system being used in various settings like interviews, news broadcasts, vlogging, live streaming, online teaching, and music recording, highlighting its wide application.
2. Product Overview
The FULAIM WM400 system includes a central receiver and four compact transmitters, each equipped with a built-in microphone and an input for an external lavalier microphone. The system operates on UHF frequencies to ensure clear and stable audio transmission.
Image: A comprehensive view of the FULAIM WM400 system, showcasing the receiver, four transmitters, four lavalier microphones, various connecting cables (Lightning, Type-C, TRS), charging cables, wind muffs, a cold shoe mount, and a carrying case.
2.1 Components and Controls
Image: Detailed diagram illustrating the components and controls of both the FULAIM WM400 Transmitter (TX) and Receiver (RX). The transmitter features a built-in mic, MIC IN socket, powerswitch, SET button, "+", "-", charging input socket, and TFT display. The receiver includes headphone output, audio output, power switch, SET button, "+", "-", charging input socket, and TFT display.
Transmitter (WM400 TX) Features:
- Built-in MIC: Integrated microphone for direct audio capture.
- MIC IN socket: 3.5mm input for external lavalier microphones.
- Powerswitch: On/Off control.
- SET button: For menu navigation and setting adjustments.
- "+" / "-": Buttons for adjusting settings like channel and volume.
- Charging input socket: USB-C port for charging.
- TFT display: Shows channel, frequency, battery status, and other settings.
Receiver (WM400 RX) Features:
- Headphone output: 3.5mm jack for real-time audio monitoring.
- Audio output: Connects to recording devices (cameras, smartphones, PCs).
- Power switch: On/Off control.
- SET button: For menu navigation and setting adjustments.
- "+" / "-": Buttons for adjusting settings like volume and channel.
- Charging input socket: USB-C port for charging.
- TFT display: Shows battery levels for all connected transmitters, volume, and channel status.
3. Setup
3.1 Charging the Devices
The FULAIM WM400 system features built-in rechargeable lithium-ion batteries. The transmitters have a 750mAh battery, offering approximately 5 hours of working time, while the receiver has a 2000mAh battery, providing about 5-6 hours of operation. Use the provided multi-charging cables to charge multiple units simultaneously.
Image: Illustration showing the FULAIM WM400 receiver and transmitters connected to power sources using the included multi-charging cables, indicating their built-in rechargeable batteries and operating times.
3.2 Connecting to Recording Devices
The system comes with various cables to ensure wide compatibility with different devices. Connect the receiver's audio output to your camera, smartphone, or computer using the appropriate cable.
Image: Diagram showing the FULAIM WM400 system's wide compatibility, illustrating connections to iPhone (Lightning cable), Android phones (Type-C cable), Cameras (TRS cable), and PCs/Laptops (Type-C cable + Type-C to USB adapter).
- For DSLR Cameras: Use the provided TRS cable.
- For iPhones: Use the provided Lightning cable.
- For Android Smartphones: Use the provided USB-C cable.
- For Laptops/PCs: Use the provided USB-C cable, potentially with the USB-C to USB adapter if your device only has standard USB-A ports.
Attach the receiver to your camera's hot shoe using the Receiver Cold Shoe Assembly for secure mounting.
4. Operating Instructions
4.1 Powering On and Pairing
To power on the receiver and transmitters, press and hold their respective power buttons. The units will automatically pair within seconds. The receiver's dual LCD screen will display the connection status and battery levels of all connected transmitters.
Image: Close-up view of the FULAIM WM400 Receiver and Transmitter LCD screens, showing battery indicators, channel information, and volume levels, indicating successful pairing and monitoring capabilities.
4.2 Channel Selection and Interference Prevention
The WM400 system offers 200 selectable UHF channels (50 channels per transmitter). If you experience interference, you can quickly switch channels on the transmitter to find a clear frequency. The working range of the microphone system is up to 164 feet (50 meters) in open areas.
Image: Visual representation of the FULAIM WM400's 50-meter operating distance and the ability to switch between Stereo or Dual-Mono modes, indicating its flexibility for different recording needs.
4.3 Mono/Stereo Output Modes
The system supports both Mono and Stereo output modes, which can be selected on the receiver. Mono mode combines all audio inputs into a single channel, while Stereo mode separates them into left and right channels, offering more flexibility for post-processing.
Image: A side-by-side comparison illustrating the difference between Mono and Stereo output modes on the FULAIM WM400 system, showing how audio signals are combined or separated.
4.4 Audio Monitoring and Low Cut Function
Connect your headphones to the receiver's 3.5mm headphone jack to monitor audio in real-time during recording. This allows you to ensure optimal sound quality and prevent issues. The transmitters also feature a low cut function to filter out low-frequency noises like wind or traffic, ensuring clearer sound output.
Image: A person monitoring audio with headphones connected to the FULAIM WM400 receiver while recording, emphasizing the real-time audio monitoring feature.
4.5 Using Lavalier Microphones
Each transmitter can be used with its built-in microphone or by connecting one of the four included lavalier microphones. The lavalier microphones offer discreet placement and can be easily clipped to clothing. Use the included wind muffs with the lavalier microphones to reduce wind noise in outdoor environments.
Image: Two individuals demonstrating the FULAIM WM400's multiple input modes, showing one person using the built-in microphone on the transmitter clipped to their collar, and another using an external lavalier microphone.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the devices. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the microphone system in the provided nylon handbag in a cool, dry place when not in use.
- Battery Care: To prolong battery life, avoid fully discharging the batteries frequently. Charge them regularly, even if not in active use.
- Cable Management: Keep cables organized to prevent tangling and damage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio output |
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| Audio interference/static |
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| Poor sound quality (e.g., wind noise) |
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7. Specifications
- Model: FULAIM WM400
- Microphone Form Factor: Microphone System
- Number of Channels: 200 (50 per transmitter)
- Frequency Response: 20 Hz - 20 KHz
- Signal-to-Noise Ratio: 80 dB
- Audio Sensitivity: 60 dB
- Polar Pattern: Omnidirectional
- Power Source: Rechargeable Lithium-ion Battery (USB-C)
- Operating Time: Approx. 5 hours (Transmitters), 5-6 hours (Receiver)
- Working Range: Up to 164 feet (50 meters) in open areas
- Item Weight: 1.87 pounds (total package)
- Color: Black
- Compatible Devices: Camera, Smartphone, Laptop, PC
- Connectivity Technology: TRS, TRRS, USB C, Lightning
- Manufacturer: Fulaim
- UPC: 730637812003
8. What's in the Box
The FULAIM WM400 UHF Wireless Lavalier Microphone System package includes the following items:
Image: Detailed visual breakdown of the FULAIM WM400 package contents, including cables (Type-C, Lightning, TRRS), lavalier microphones, USB-C to USB adapter, charging cables, wind muffs, receiver, transmitters, receiver cold shoe assembly, and nylon handbag.
- 1 x Receiver (RX)
- 4 x Transmitters (TX)
- 4 x Lavalier Microphones
- 4 x Wind Muffs
- 1 x Type-C Cable (for device connection)
- 1 x Lightning Cable (for device connection)
- 1 x TRRS Cable (for device connection)
- 1 x Type-C to USB Adapter
- 2 x Charging Cables (one dual, one triple USB-C)
- 1 x Receiver Cold Shoe Assembly
- 1 x Nylon Handbag
- 1 x User Manual
- 1 x Warranty Card
9. Official Product Video
Watch the official FULAIM WM400 Wireless Microphone System overview video for a detailed look at its features and functionality.
Video: An official product video from FULAIM demonstrating the WM400 Wireless Microphone System with its four transmitters, showcasing its features, setup, and use cases.
10. Warranty and Support
The FULAIM WM400 system comes with a warranty card included in the package. For detailed warranty information and customer support, please refer to the warranty card or visit the official FULAIM store on Amazon:
FULAIM specializes in the research and development of audio equipment, aiming to provide high-quality professional recording equipment and satisfactory service.
