XIAOKOA H18H

XIAOKOA H18H Wireless Dynamic Microphone Set

User Manual

1. Introduction

Thank you for purchasing the XIAOKOA H18H Wireless Dynamic Microphone Set. This system utilizes advanced UHF wireless technology to provide stable signal transmission with minimal delay, making it ideal for various applications such as conferences, lectures, presentations, parties, karaoke, and live performances. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.

2. Package Contents

Please verify that all items listed below are included in your package:

  • Microphones (x2)
  • Charging Cable (x1)
  • Receiver (x1)
  • 3.5mm to 6.35mm Conversion Adapter (x1)
  • User Manual (English)
Image showing the package contents including two microphones, a receiver, charging cable, and adapter.

Figure 2.1: Contents of the XIAOKOA H18H package.

3. Product Overview

3.1 Components

Diagram showing the components of the wireless microphone and receiver, including LED display, power/mute/channel button, Type-C charging port, and 6.35mm plug.

Figure 3.1: Overview of microphone and receiver components.

  • Microphone: Features an alloy cover, LED display, and a multi-function button for power, mute, and channel switching. Equipped with a Type-C charging port.
  • Receiver: Compact unit with a 6.35mm audio plug and a Type-C charging port.
  • 3.5mm-6.35mm Conversion Adapter: For wider compatibility with various audio inputs.

3.2 Key Features

  • UHF Wireless Transmission: Provides stable signal transmission up to 30 meters in open areas, free from interference from household Wi-Fi signals. Supports up to 12 sets simultaneously.
  • High Sound Quality: Designed to withstand strong sound pressure levels, offering deep reverb effects and clear sound reproduction. Features noise reduction to minimize ambient noise.
  • Mute Function: A dedicated button on the microphone allows for temporary audio output cessation.
  • Automatic Shutdown: The microphone automatically shuts down after 45 minutes of no sound input or activity to conserve power.
  • Wide Compatibility: The receiver features a 6.35mm audio plug and includes a 3.5mm conversion adapter, making it compatible with amplifiers, PCs, mixers, PA systems, and speakers that have a MIC port.
  • Type-C Rechargeable: Both the microphone and receiver have built-in 1200mAh lithium batteries, providing 8-10 hours of continuous use on a full charge. The digital LED screen displays battery level, signal strength, and channel.
  • Durable Construction: Made from aluminum alloy for a comfortable feel and enhanced durability.

4. Setup

4.1 Charging the Devices

  1. Connect the provided Type-C charging cable to the charging ports on both microphones and the receiver.
  2. Plug the other end of the charging cable into a standard USB power adapter (not included).
  3. Allow the devices to charge fully before first use. The LED display on the microphone will indicate charging status.
Image showing the microphone and receiver with their Type-C charging ports and internal 18650 batteries.

Figure 4.1: Type-C charging for microphone and receiver.

4.2 Connecting the Receiver

  1. Identify the MIC input port on your audio equipment (amplifier, mixer, PA system, speaker, etc.).
  2. Insert the 6.35mm plug of the receiver directly into the MIC input port.
  3. If your audio equipment has a 3.5mm MIC input, attach the 3.5mm conversion adapter to the receiver's 6.35mm plug before inserting it into the port.
Diagram illustrating the receiver connected to various audio devices like amplifiers, mixers, and speakers.

Figure 4.2: Receiver compatibility with various audio systems.

5. Operating Instructions

5.1 Power On/Off

  • To Power On: Press and hold the power button on the microphone and the power switch on the receiver until their respective displays or indicator lights turn on.
  • To Power Off: Press and hold the power button on the microphone and the power switch on the receiver until their displays or indicator lights turn off.

5.2 Automatic Pairing

The microphone and receiver are designed to pair automatically upon power-on. Once both devices are powered on, the receiver's indicator light will become solid, indicating a successful connection.

5.3 Mute Function

During use, a short press of the power button on the microphone will activate the mute function, temporarily stopping audio output. Press the button again to unmute.

Image showing a hand holding the microphone with the mute function icon displayed on the screen.

Figure 5.1: Microphone mute function.

5.4 Channel Switching

To change the operating channel of the microphone, double-click the power button. The LED display will show the current channel (CH01-CH12). This feature is useful when using multiple microphone sets simultaneously to avoid interference.

Image showing multiple microphones and receivers, illustrating the 12-channel capability.

Figure 5.2: Multiple microphones operating on different channels.

5.5 LED Display Information

The microphone's digital LED display provides the following information:

  • Signal Indicator: Shows wireless signal strength.
  • Battery Level: Displays remaining battery charge.
  • Channel Display: Indicates the current operating channel (e.g., CH01).
  • Mute Status: An icon will appear when the microphone is muted.

6. Maintenance

  • Cleaning: Use a soft, dry cloth to clean the microphone and receiver. Avoid using abrasive cleaners or solvents.
  • Storage: Store the devices in a cool, dry place away from direct sunlight and extreme temperatures.
  • Battery Care: To prolong battery life, avoid fully discharging the devices frequently. Recharge them regularly, even if not in use for extended periods.
  • Handling: The microphones are constructed from durable aluminum alloy, but avoid dropping or subjecting them to strong impacts.

7. Troubleshooting

ProblemPossible CauseSolution
No sound from microphoneMicrophone or receiver is off; Mute function is active; Low battery; Receiver not properly connected; Incorrect channel.Ensure both devices are powered on; Deactivate mute function; Charge devices; Reconnect receiver securely; Double-click power button to change channel.
Interference or poor sound qualityToo far from receiver; Obstacles blocking signal; Other wireless devices causing interference; Low battery.Reduce distance between microphone and receiver (within 30m); Ensure clear line of sight; Change microphone channel; Charge devices.
Low volume outputMicrophone sensitivity setting; Audio equipment volume too low.Adjust volume on your audio equipment; Ensure microphone is held correctly and close enough to the sound source.
Cannot charge devicesFaulty charging cable or adapter; Charging port damage.Try a different Type-C charging cable and USB adapter; Contact customer support if ports appear damaged.
Microphone automatically shuts downAutomatic shutdown feature activated.This is a power-saving feature. The microphone will shut down after 45 minutes of inactivity. Power it on again to resume use.

8. Specifications

FeatureDetail
BrandXIAOKOA
Model NumberH18H
Connectivity TechnologyUHF Wireless (6.35mm MIC, AUX)
Connector Type3.5mm Jack, 6.3mm Jack
Special FeaturesNoise Reduction, Mute Function
Compatible DevicesPA System, Amplifier, Audio Mixer, Karaoke Machine, Speaker
ColorGrey
Microphone Form FactorHandheld
Power SourceBattery Powered (3 Lithium Ion batteries included)
S/N Ratio96 dB
Hardware PlatformKaraoke Machine, Desktop PC
Number of Channels12
Product Exterior MaterialAluminum
Frequency Response60Hz-18KHz
Microphone Sensitivity-58dB ±3dB
Input Sample Rate48KHz
Bit Rate24bit
Close-up image of the microphone head, highlighting its high-quality dynamic core and technical specifications.

Figure 8.1: Microphone technical specifications.

9. Warranty and Support

This product comes with a 1-year manufacturer's warranty. In case of initial defects or malfunctions such as excessive noise, inability to use, or charging issues, a free exchange is available within one month of purchase. For any questions or concerns regarding the product, please do not hesitate to contact our customer support.

For support, please refer to the contact information provided with your purchase or visit the official XIAOKOA website.

© 2026 XIAOKOA. All rights reserved.

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