Bietrun WXM21-2 Wireless Microphone System User Manual

1. Product Overview

The Bietrun WXM21-2 is a professional UHF dual handheld dynamic metal microphone system designed for various audio applications, including karaoke, public speaking, and live performances. It features a rechargeable receiver and offers both UHF and Bluetooth connectivity for versatile use.

• Wireless Connectivity: Built-in high sensitivity professional Dynamic Unidirectional microphone core with a transmission distance of up to 160 feet (open place) via UHF, and Bluetooth connectivity up to 32 feet.
• Enhanced Signal: Designed for stable signal, no delay, no radiation, anti-howling, anti-jamming, and constant frequency.
• Durable Construction: The microphone outer case is made of alloy material, providing durability, lightness, and wear resistance.
• Plug and Play: No pairing required for initial setup. Connects to input devices with 6.35mm (1/4") or 3.5mm (1/8") MIC interfaces.
• Rechargeable Receiver: The receiver has a built-in 1200mAh battery, offering 8 hours of use time and fully charging in 3 hours.
• Battery Display: Microphones feature a display showing battery power and signal strength in real-time.
• Multipurpose Use: Ideal for conferences, speeches, web podcasts, yoga instructors, church events, family parties, opening ceremonies, dancing instructors, and promotions.

2. What's in the Box

Upon opening the package, you should find the following components:

• 2 x Bietrun WXM21-2 Wireless Microphones
• 1 x Rechargeable Receiver (6.35mm jack)
• 1 x USB Charging Cable
• 1 x 3.5mm Audio Adapter (for receiver)
• 2 x Anti-Roll Rings (silicone, for microphones)
• 1 x Microphone Stand (as listed in product details)

3. Setup Guide

1. Insert Batteries into Microphones:

   Unscrew the bottom part of each microphone. Insert two AA alkaline batteries (not included) into each microphone, ensuring correct polarity. Screw the bottom part back on securely.

   

2. Charge the Receiver:

   Connect the small end of the USB charging cable to the receiver's charging port and the other end to a USB power source (e.g., phone charger, computer USB port). The power light on the receiver will be red during charging and turn off when fully charged. A full charge takes approximately 3 hours.

   

3. Connect the Receiver to an Audio Device:

   Insert the 6.35mm jack of the receiver directly into the MIC input of your speaker, singing machine, audio amplifier, PA system, or voice amplifier. If your device has a 3.5mm MIC input, use the included 3.5mm audio adapter.

   Important: Ensure you connect to the MIC jack, not an AUX jack. This system is not compatible with TV or Bluetooth speakers directly (unless using the receiver's Bluetooth feature to stream music to the speaker).

   

4. Power On:

   Long press the power button on the receiver to turn it on. Then, long press the power button on each microphone to turn them on. The microphones and receiver should automatically connect.

4. Operating Instructions

4.1 Microphone Operation

• Power On/Off: Long press the power button on the microphone.
• Volume Control: Short press the power button to adjust the volume (levels 1-8).
• Channel Switching: If you experience interference or need to use multiple microphones simultaneously, open the microphone battery cover and locate the channel switch. Each microphone has an inconsistent channel number to avoid interference. Switch channels as needed. The display will show the current channel (CHA).

4.2 Bluetooth Connectivity (Receiver)

The receiver can also function as a Bluetooth receiver, allowing you to stream music from your smartphone or other Bluetooth-enabled devices to your connected speaker system for karaoke or music playback.

1. Ensure the receiver is powered on and connected to your audio system's MIC input.
2. On your smartphone or Bluetooth-enabled device, turn on Bluetooth.
3. Search for Bluetooth devices and select "Bietrun" from the list to connect.
4. Once connected, you can play music through your audio system.

Video 4.1: Bietrun-WXM21-2 Wireless Microphone with Bluetooth. This video demonstrates the unboxing and basic setup of the Bietrun WXM21-2 wireless microphone system, including how to insert batteries and connect the receiver.

5. Maintenance

• Battery Care: For microphones, use good quality AA alkaline batteries. Remove batteries if the microphones will not be used for an extended period to prevent leakage. For the receiver, ensure it is fully charged before use to maximize operating time.
• Cleaning: Wipe the microphones and receiver with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners.
• Storage: Store the system in a cool, dry place away from direct sunlight and extreme temperatures.
• Anti-Roll Rings: Utilize the included anti-roll rings to protect the microphones from rolling off surfaces and potential damage.

6. Troubleshooting

• No Sound from Microphone:
  • Ensure both the microphone and receiver have sufficient power.
  • Verify the receiver is inserted into the MIC jack of your audio device, not the AUX jack.
  • Check if the microphone is powered on.
  • If using multiple microphones, ensure each microphone is on a different channel to avoid interference. Open the battery cover and adjust the channel switch.
• Interference or Poor Sound Quality:
  • Change the channel on the microphone (refer to section 4.1).
  • Ensure the microphone and receiver are within the specified operating range (160 ft for UHF, 32 ft for Bluetooth).
  • Minimize obstacles between the microphone and receiver.
• Bluetooth Connection Issues:
  • Ensure the receiver's Bluetooth is active.
  • Confirm your device's Bluetooth is on and searching for devices.
  • Make sure you are selecting "Bietrun" from the available devices.
  • Note: This system is not supported for direct connection to Bluetooth speakers or MacBooks.

7. Specifications

8. Warranty and Support

Bietrun products are designed for reliability and performance. For any questions, technical support, or warranty claims, please refer to the contact information provided with your purchase or visit the official Bietrun website. Keep your purchase receipt for warranty purposes.