Bietrun WXM19

Bietrun WXM19 Wireless Microphone System User Manual

Model: WXM19

Introduction

Thank you for choosing the Bietrun WXM19 Wireless Microphone System. This system provides high-quality audio transmission for various applications, including karaoke, public address systems, mixers, and more. Featuring UHF wireless technology, rechargeable batteries, and Bluetooth connectivity, this manual will guide you through the setup, operation, and maintenance of your new microphone system to ensure optimal performance.

What's in the Box

Please verify that all items are present in your package:

Contents of the Bietrun WXM19 Wireless Microphone System package
Image: The package includes two wireless microphones, one receiver, a charging cable, and a 3.5mm to 6.35mm adapter.

Product Overview

The Bietrun WXM19 system consists of two handheld wireless microphones and a compact receiver. Each microphone features a dynamic unidirectional core for clear vocal pickup and an alloy casing for durability. The receiver supports UHF wireless transmission and Bluetooth connectivity.

Key Features:

Diagram of the wireless receiver with labeled ports and indicators
Image: Detailed view of the receiver showing the USB-C charging port, power light, Bluetooth light, microphone channel indicators (A and B), and power/Bluetooth switch.
Unidirectional microphone core pattern and a person singing into the microphone
Image: Illustration of the unidirectional pickup pattern of the microphone core, highlighting its focus on sound from one direction.

Setup Instructions

1. Charging the Devices

Before first use, fully charge both microphones and the receiver. Use the included USB charging cable.

Microphones and receiver connected to a power adapter for charging
Image: The two microphones and the receiver are shown connected to a USB power adapter for simultaneous charging. Text indicates 3-4 hours charging time and 7+ hours working time.

2. Initial Pairing and Connection

The microphones and receiver are designed for automatic connection. Follow these steps:

  1. Turn on the Receiver: Press and hold the POWER button on the receiver until its indicator lights up.
  2. Turn on the Microphones: Press the power switch located at the tail of each microphone. The microphone display will show the channel number.
  3. Plug into Audio Device: Insert the receiver's 6.35mm jack into the microphone input port of your audio device (e.g., PA system, karaoke machine, mixer). If your device has a 3.5mm input, use the included 3.5mm to 6.35mm converter.
  4. The microphones and receiver should automatically connect. The 'A' and 'B' lights on the receiver will indicate successful connection for each microphone.
Step-by-step guide for connecting the wireless microphone system
Image: A three-step visual guide demonstrating how to turn on the receiver, turn on the microphone, and plug the receiver into a speaker's microphone input.

3. Compatibility Notes

This system is compatible only with input devices that have a 6.35mm (1/4") or 3.5mm (1/8") microphone interface. Ensure your device has a dedicated microphone input. It is not compatible with 'LINE IN' or 'AUX IN' ports.

Diagram showing compatible and incompatible audio input types for the receiver
Image: The receiver is shown with examples of compatible devices like outdoor speakers, PA systems, power amplifiers, and car audio systems. It also clearly indicates that 'LINE IN / AUX IN' is not compatible, while 'MIC INPUT 3.5MM' and 'MIC INPUT 6.35MM' are compatible.

Operating Instructions

1. Adjusting Microphone Channels

Each microphone has 15 adjustable frequency channels. If you experience interference or wish to use multiple microphone systems simultaneously, you can change the channel:

2. Using Bluetooth Connectivity

The receiver can function as a Bluetooth receiver to stream audio from your smartphone, tablet, or laptop to your connected audio system.

  1. Ensure the receiver is powered on and connected to your audio device's microphone input.
  2. Briefly press the POWER button on the receiver to activate Bluetooth mode. The Bluetooth light (BT) will illuminate.
  3. On your smart device, search for Bluetooth devices and select "Bietrun".
  4. Once connected, you can play music or karaoke tracks from your device through your audio system.
Diagram showing Bluetooth connection from smart devices to the receiver
Image: A visual representation of connecting a smartphone, tablet, or laptop via Bluetooth to the Bietrun receiver, which is then connected to an audio amplifier, mixer, or speaker.

Maintenance

Proper maintenance ensures the longevity and optimal performance of your Bietrun WXM19 Wireless Microphone System.

Troubleshooting

If you encounter issues with your Bietrun WXM19 Wireless Microphone System, refer to the following common problems and solutions:

ProblemPossible CauseSolution
No sound from microphoneMicrophone or receiver not powered on; low battery; incorrect input on audio device; receiver not connected to MIC IN.Ensure both microphone and receiver are charged and powered on. Verify the receiver is plugged into a 'MIC IN' port, not 'LINE IN' or 'AUX IN'. Check the volume on your audio device.
Interference or static noiseOther wireless devices operating on the same frequency; distance too far; obstacles blocking signal.Change the channel on the microphone (briefly press the power switch). Ensure microphones are not too far from the receiver (max 240ft/75m). Reduce obstacles between receiver and microphones.
Bluetooth not connectingBluetooth mode not activated on receiver; receiver too far from smart device; incorrect device selected.Briefly press the POWER button on the receiver to activate Bluetooth (BT light should be on). Ensure your smart device's Bluetooth is on and search for "Bietrun". Keep devices within 10m for Bluetooth.
Short battery lifeIncomplete charging; aging battery.Ensure devices are fully charged (3-4 hours). If battery life significantly degrades over time, contact customer support.

Specifications

FeatureSpecification
ModelWXM19
Connectivity TechnologyUHF Wireless, Bluetooth
Wireless Range (UHF)Up to 240 feet (75 meters) in open areas
Bluetooth RangeUp to 33 feet (10 meters)
Microphone TypeDynamic, Unidirectional
Audio Sensitivity95 dB
Frequency Response50Hz - 16KHz
Number of Channels15 per microphone
Battery TypeLithium Polymer (1200mAh built-in)
Charging Time3-4 hours
Working TimeUp to 7 hours
MaterialMetal (microphone casing)
Connector Type6.35mm Jack (receiver)
Item Weight1.92 pounds (total package)
Package Dimensions11.97 x 6.61 x 2.6 inches
Image showing the dimensions of the Bietrun WXM19 microphones and receiver
Image: Visual representation of the dimensions for the microphones (9.8 inches) and the receiver (4.5 inches).

Warranty and Support

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

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