KOMISON KMS-300

KOMISON KMS-300 Wireless Microphone System User Manual

Model: KMS-300 | Brand: KOMISON

1. Introduction

Thank you for choosing the KOMISON KMS-300 Wireless Microphone System. This professional dual UHF cordless dynamic microphone system is designed to deliver clear and pristine sound quality for a wide range of applications, including home karaoke, meetings, parties, church events, DJ performances, weddings, and home KTV setups. With its robust metal construction, easy plug-and-play functionality, and extended operating range, the KMS-300 ensures a reliable and enjoyable audio experience.

Key Features:

  • Operating Range: Up to 260 feet (line of sight) with high UHF frequency for stable signal.
  • Clear Sound Quality: Built-in moving-coil microphone with unidirectional pick-up pattern to filter unwanted ambient noise.
  • Durable Construction: Metal handheld microphones designed for longevity and comfortable use.
  • Easy to Use: Plug and play with automatic frequency pairing upon power-on.
  • Independent Volume Control: Separate volume controls (VOL.A & VOL.B) for each wireless microphone.
  • Wide Compatibility: Connects to speakers, soundbars, or amplifiers with AUX (3.5mm or 1/4'') or XLR input ports.
KOMISON KMS-300 Wireless Microphone System with receiver and two handheld microphones

The KOMISON KMS-300 Wireless Microphone System, featuring the receiver unit and two handheld microphones.

2. Package Contents

Please check the package carefully to ensure all items are present and in good condition:

  • 2 x Handheld Microphones
  • 1 x Receiver Unit
  • 1 x 6.35mm Audio Cable
  • 1 x Power Adapter
  • 1 x User Manual

Note: 2 x AA batteries are required for each microphone (total 4 AA batteries), but are not included in the package.

Diagram showing the contents of the KOMISON KMS-300 package including receiver, two microphones, cables, power supply, and user manual with dimensions.

Detailed view of the package contents and dimensions of the receiver and microphones.

3. Product Overview

Familiarize yourself with the components and controls of your KOMISON KMS-300 system.

Receiver Unit:

  • LCD Display: Shows frequency, channel, RF (Radio Frequency) signal, and AF (Audio Frequency) signal.
  • RF Light: Illuminates when the microphone and receiver are matched.
  • AF Light: Illuminates when voice input is detected.
  • VOL A & VOL B: Independent volume control knobs for Microphone A and Microphone B.
  • Power Switch: Turns the receiver unit on or off.
  • Antennas: For signal reception.
  • Output Ports: 6.35mm (1/4") Jack and Balanced XLR Jacks (A and B) for connecting to audio systems.
  • Power Input: DC 12V input for the power adapter.

Handheld Microphones:

  • Metal Built: Durable metal construction for robust performance.
  • Metal Woven Mesh Cover: Protects the microphone capsule.
  • Frequency Display: Shows the current operating frequency.
  • Battery Compartment: Holds 2 x AA batteries.
Diagram of the KOMISON KMS-300 receiver showing front panel controls like volume, LCD display, RF/AF lights, power switch, and rear panel connections including 6.35mm jack and XLR outputs.

Front and rear panel overview of the receiver unit with labeled controls and connection points.

Detailed view of the KOMISON handheld microphone showing its metal build, metal woven mesh cover, frequency display, and battery compartment requiring 2 AA batteries.

Close-up details of the handheld microphone, highlighting its construction and features.

4. Setup Guide

Follow these steps to set up your KOMISON KMS-300 Wireless Microphone System.

4.1. Powering the Receiver

  1. Connect the provided power adapter to the DC 12V input port on the back of the receiver unit.
  2. Plug the power adapter into a standard electrical outlet.
  3. Ensure the power switch on the receiver is in the OFF position before connecting.

4.2. Installing Batteries in Microphones

  1. Unscrew the bottom part of each handheld microphone to reveal the battery compartment.
  2. Insert 2 x AA batteries into each microphone, ensuring correct polarity (+/-).
  3. Screw the bottom part back onto the microphone securely.

4.3. Connecting to an Audio System

The receiver can be connected to various audio systems such as speakers, soundbars, amplifiers, or audio mixers. Use the appropriate cable for your system.

  • Using 6.35mm (1/4") Audio Cable: Connect one end of the provided 6.35mm audio cable to the 6.35mm Jack output on the receiver. Connect the other end to the AUX (3.5mm or 1/4'') input port on your speaker, soundbar, or amplifier.
  • Using XLR Cables (Not Included): For professional setups, connect XLR cables (not included) from the Balanced XLR A and XLR B outputs on the receiver to the XLR input ports on your audio mixer or amplifier.
Diagram illustrating connection methods for the KOMISON wireless microphone system to an active speaker via 6.35mm jack or to a power amplifier and passive speakers via 6.35mm or XLR jacks, also showing connection to an audio mixer.

Connection methods for integrating the microphone system with various audio equipment.

5. Operating Instructions

Once set up, operating your KOMISON KMS-300 system is straightforward.

5.1. Power On and Automatic Pairing

  1. Turn on the power switch on the receiver unit. The LCD display will light up.
  2. Turn on each handheld microphone using its power switch.
  3. The microphones and receiver will automatically pair. The RF light on the receiver will illuminate, indicating a successful connection.

5.2. Adjusting Volume

Use the independent VOL.A and VOL.B knobs on the receiver to adjust the output volume for each microphone channel. Start with a low volume and gradually increase it to avoid sudden loud noises.

5.3. Optimal Operating Range

The system is designed for an operating range of up to 260 feet in line of sight. For best performance, ensure there are no major obstructions between the microphones and the receiver. High UHF frequency provides stable signal transmission, minimizing interference.

Image showing the KOMISON KMS-300 receiver with two microphones and text indicating 'Long operation distance 260FT' and 'It offers stable signal and great freedom of movement', with a background of people performing.

The system offers a long operating distance for freedom of movement during performances.

5.4. Application Scenarios

The KOMISON KMS-300 is versatile and suitable for various events:

  • Karaoke: Enjoy clear vocals for your home karaoke sessions.
  • Parties: Perfect for announcements, speeches, or singing at gatherings.
  • Stage Performance: Reliable audio for live music and theatrical productions.
  • Weddings & Church: Ideal for ceremonies, speeches, and sermons.
Four images depicting different application scenarios for the KOMISON wireless microphone system: Karaoke, Party, Stage Performance, and Wedding.

The KOMISON KMS-300 is suitable for a variety of events and performances.

6. Maintenance and Care

Proper maintenance will extend the life and performance of your microphone system.

  • Cleaning: Use a soft, dry cloth to clean the receiver and microphones. Do not use liquid cleaners or abrasive materials.
  • Storage: When not in use for extended periods, remove batteries from the microphones to prevent leakage. Store the system in a cool, dry place away from direct sunlight and extreme temperatures.
  • Battery Replacement: Replace batteries in microphones when the display indicates low power or audio quality degrades. Always use fresh AA alkaline batteries.
  • Handling: Avoid dropping the microphones or receiver, as this can damage internal components.

7. Troubleshooting Guide

If you encounter any issues, refer to the table below for common problems and solutions.

ProblemPossible CauseSolution
No sound from microphonesMicrophones not powered on
Receiver not powered on
Batteries low or incorrectly inserted
Microphones not paired with receiver
Volume knobs turned down
Audio cable not connected or faulty
Connected speaker/amplifier off or volume low
Ensure microphones and receiver are powered on.
Check and replace batteries if needed.
Verify RF light on receiver is on (indicating pairing).
Increase VOL.A/VOL.B on receiver.
Check audio cable connections and try a different cable.
Ensure external audio system is on and volume is up.
Interference or poor sound qualityToo far from receiver
Obstructions between mic and receiver
Strong electromagnetic interference nearby
Low microphone batteries
Reduce distance between microphone and receiver.
Remove obstructions.
Move system away from other electronic devices.
Replace microphone batteries.
Microphone not pairingMicrophone not powered on
Receiver not powered on
Batteries low
Ensure both microphone and receiver are powered on.
Replace microphone batteries. The system should auto-pair.
Low volume outputVOL.A/VOL.B on receiver too low
External audio system volume too low
Microphone batteries low
Increase volume on receiver.
Increase volume on connected speaker/amplifier.
Replace microphone batteries.

If the problem persists after trying these solutions, please contact KOMISON customer support for further assistance.

8. Technical Specifications

FeatureSpecification
Model NumberKMS-300
Microphone Form FactorMicrophone System (Handheld)
Connectivity TechnologyUHF Wireless, XLR, 6.35mm Jack
Number of Channels2
Operating RangeUp to 260 ft (line of sight)
Microphone Power Source2 x AA batteries per mic (not included)
Receiver Power SourceCorded Electric (DC 12V)
MaterialMetal (microphones), PVC (receiver)
Signal-to-Noise Ratio70 dB
Audio Sensitivity95 dB
Polar PatternUnidirectional
Item Weight1.5 Pounds (total system)
ColorBlack
Compatible DevicesAudio mixer, PA System, Speaker

9. Warranty and Support

9.1. Warranty Information

KOMISON products are manufactured to high quality standards. For specific warranty details regarding your KMS-300 Wireless Microphone System, please refer to the warranty card included in your product packaging or visit the official KOMISON website. Keep your purchase receipt as proof of purchase for any warranty claims.

9.2. Customer Support

If you have any questions, require technical assistance, or need to report an issue that is not covered in this manual, please contact KOMISON customer support. Our team is dedicated to providing reliable sound solutions and ensuring your satisfaction.

For the most up-to-date contact information, please visit the KOMISON official website or refer to the contact details provided in your product packaging.

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