1. Introduction
This manual provides detailed instructions for the proper setup, operation, and maintenance of your Bietrun UHF Wireless Microphone System. This system features high-sensitivity dynamic microphones and a rechargeable receiver, designed for various applications including karaoke, public speaking, church events, and parties. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.
2. Package Contents
Please verify that all items listed below are included in your package:
- 2 x Bietrun UHF Wireless Handheld Microphones
- 1 x Rechargeable Receiver (with 1/4'' plug)
- 1 x 1/4'' to 3.5mm Adapter
- 1 x USB Charging Cable for Receiver
- 1 x User Manual (this document)
- Warranty Card
Image: The complete Bietrun UHF Wireless Microphone System, including two handheld microphones, the compact rechargeable receiver, and a 1/4'' to 3.5mm adapter.
3. Setup Guide
3.1 Microphone Battery Installation
Each microphone requires two AA batteries (not included). To install, unscrew the bottom part of the microphone handle and insert the batteries according to the polarity markings. Screw the handle back on securely.
3.2 Receiver Charging
The receiver has a built-in 720mAh rechargeable battery. Before first use, fully charge the receiver using the provided USB charging cable. A full charge takes approximately 3 hours and provides up to 4.5 hours of working time. The display on the microphone will show the receiver's battery power and signal strength.
Image: Illustration showing how to insert AA batteries into the microphone and the charging process for the rechargeable receiver.
3.3 Connecting the Receiver
The receiver features a 6.35mm (1/4'') plug. It must be connected to a device with a MIC input jack. Do NOT plug it into an AUX jack, as this will result in no sound. If your device has a 3.5mm MIC input, use the included 1/4'' to 3.5mm adapter.
Compatible devices include:
- PA Systems
- Power Amplifiers
- Karaoke Machines
- Outdoor Speakers
- Street Stereo Speakers
- Mixers
- Audio Interfaces
Important Note: This system is not compatible with Bluetooth speakers or MacBooks.
Image: Visual guide illustrating the correct 6.35mm (1/4'') MIC input jack for connection, emphasizing not to use the AUX jack.
3.4 Automatic Connection
The Bietrun Wireless Microphone System is designed for plug-and-play operation. Once the microphones have batteries and the receiver is charged and plugged into a compatible MIC input, they should automatically connect without manual pairing.
4. Operating Instructions
4.1 Powering On/Off
Press and hold the power button on each microphone to turn it on or off. The receiver will power on automatically when plugged in and power off when unplugged or its battery is depleted.
4.2 Adjusting Volume
The microphones feature a switch to control the volume level (levels 8-1). Adjust this switch to achieve the desired output volume.
4.3 Switching Channels
The system operates on UHF frequencies and offers 15 adjustable channels to prevent interference. If you experience interference or need to use multiple wireless microphone systems simultaneously, press the channel button on the microphone to switch to a different channel. Ensure that each microphone operates on a unique channel when using multiple units.
Image: Close-up view of the microphone showing the volume control switch and the channel change button.
4.4 Operating Range
The system provides a stable wireless transmission distance of up to 160 feet (50 meters) in an open environment. Factors such as obstacles, walls, and other wireless devices may affect the actual range.
Image: Depiction of the 160ft UHF wireless signal range for the microphone system.
5. Maintenance
To ensure the longevity and optimal performance of your Bietrun Wireless Microphone System, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the microphones and receiver. Do not use abrasive cleaners or solvents.
- Storage: Store the system in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: Remove AA batteries from the microphones if they will not be used for an extended period to prevent leakage. Recharge the receiver periodically if stored for long durations to maintain battery health.
- Handling: Handle the microphones and receiver with care. Avoid dropping them or subjecting them to strong impacts.
Image: Detailed view of the microphone's internal components, including the steel meshed microphone head and high-quality capsule, highlighting its durable metal construction.
6. Troubleshooting
If you encounter any issues with your Bietrun Wireless Microphone System, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from microphone |
|
|
| Interference or poor sound quality |
|
|
| Microphone display not working | Low or dead batteries. | Replace AA batteries in the microphone. |
If the problem persists after trying these solutions, please contact Bietrun customer support for assistance.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | WXM02 |
| Connectivity Technology | UHF Wireless |
| Microphone Form Factor | Handheld |
| Microphone Material | Metal |
| Polar Pattern | Bidirectional |
| Number of Channels | 2 (15 UHF Adjustable Channels) |
| Signal-to-Noise Ratio | 120 dB |
| Transmission Distance | Up to 160 feet (50 meters) |
| Microphone Power Source | 2 x AA Batteries (not included) |
| Receiver Battery Type | Lithium Polymer (720mAh) |
| Receiver Working Time | Up to 4.5 hours |
| Receiver Charging Time | Approx. 3 hours |
| Connector Type | 6.35 mm (1/4") Jack (with 3.5mm adapter) |
| Item Weight | 1.54 pounds (total package) |
| Dimensions (Package) | 10.2 x 3.9 x 2.76 inches |
Image: Diagram illustrating the physical dimensions of the Bietrun wireless microphones and receiver.
8. Warranty and Support
Bietrun offers a 1-year warranty and free replacement service for this product. If you have any questions, concerns, or require technical assistance, please do not hesitate to contact Bietrun customer support. Refer to the warranty card included in your package for specific contact details or visit the official Bietrun website.
