voijump K202

voijump K202 Portable Karaoke Microphone Mixer System User Manual

Model: K202

Introduction

Thank you for choosing the voijump K202 Portable Karaoke Microphone Mixer System. This system combines a wireless microphone receiver with a sound mixer, offering dual UHF wireless microphones for an enhanced audio experience. This manual provides essential information for proper setup, operation, and maintenance of your device. Please read it thoroughly before use.

voijump K202 Portable Karaoke Microphone Mixer System with two wireless microphones

Image: The voijump K202 system, featuring the mixer unit and two wireless microphones.

Safety Information

  • Do not expose the device to rain or moisture.
  • Do not disassemble the unit. Refer all servicing to qualified personnel.
  • Ensure proper ventilation around the unit.
  • Use only the specified power adapter.
  • Keep batteries out of reach of children. Dispose of used batteries responsibly.
  • Avoid placing the unit near heat sources or in direct sunlight.

Package Contents

Verify that all items are present in the package:

  • Wireless Microphone (x2)
  • Receiver (x1)
  • AA Battery (x4)
  • User Manual (x1)

Product Overview

The voijump K202 system consists of a mixer/receiver unit and two wireless UHF microphones. Familiarize yourself with the components and controls.

Front and back view of the voijump K202 mixer and microphones

Image: Top and rear views of the K202 mixer unit, alongside the two wireless microphones.

Mixer/Receiver Unit Controls and Ports

Labeled diagram of voijump K202 mixer controls and ports

Image: Detailed diagram illustrating the various controls and input/output ports on the K202 mixer/receiver unit.

  • Power Button: Turns the unit on/off.
  • Echo Knob: Adjusts the echo effect level for microphones.
  • Tone Knob: Adjusts the tonal quality (treble/bass) of the microphone audio.
  • MIC A Volume Knob: Controls the volume of Microphone A.
  • MUSIC Volume Knob: Controls the volume of the background music input.
  • MIC B Volume Knob: Controls the volume of Microphone B.
  • AUX OUT Port: 3.5mm audio output to connect to speakers or amplifiers.
  • AUX IN Port: 3.5mm audio input for external devices (e.g., phone, tablet).
  • OPTICAL IN Port: Optical audio input for digital audio sources (e.g., TV, Blu-ray player).
  • COAXIAL IN Port: Coaxial audio input for digital audio sources.
  • DC 5V Power Jack: Connects to the power adapter.
  • Antennas: For UHF wireless signal reception.

Setup

1. Powering the Mixer/Receiver Unit

  1. Connect the provided DC 5V power adapter to the DC 5V Power Jack on the back of the mixer/receiver unit.
  2. Plug the power adapter into a standard electrical outlet.
  3. Press the Power Button on the mixer/receiver unit to turn it on. The power indicator light will illuminate.

2. Installing Batteries in Microphones

  1. Unscrew the bottom part of each wireless microphone.
  2. Insert two AA batteries into each microphone, ensuring correct polarity (+/-).
  3. Screw the bottom part back onto the microphone.
  4. Turn on the microphones using their respective power switches. The display on the microphone will light up.

3. Connecting to an Audio System

The K202 mixer can connect to various audio systems using 3.5mm AUX, Optical, or Coaxial inputs. Choose the appropriate connection for your setup.

Diagram showing various devices connecting to the karaoke mixer

Image: Illustration of how to connect the K202 mixer to different audio sources and output devices, including TVs, PCs, amplifiers, and speakers.

  • Using AUX (3.5mm): Connect an audio cable from your music source (e.g., phone, tablet, PC) to the AUX IN port on the mixer. Connect another 3.5mm audio cable from the AUX OUT port on the mixer to the audio input of your speaker, amplifier, or PA system.
  • Using Optical: Connect an optical audio cable from your TV or Blu-ray player's optical output to the OPTICAL IN port on the mixer. Connect the mixer's AUX OUT to your speaker system.
  • Using Coaxial: Connect a coaxial audio cable from your TV or other device's coaxial output to the COAXIAL IN port on the mixer. Connect the mixer's AUX OUT to your speaker system.

Ensure your connected audio system is powered on and set to the correct input source.

Operating Instructions

1. Adjusting Audio Levels

  • MUSIC Volume: Rotate the MUSIC knob to adjust the volume of the background music playing through the connected audio source.
  • MIC A/B Volume: Rotate the MIC A and MIC B knobs to control the individual volumes of each wireless microphone.
  • Echo: Use the ECHO knob to add or reduce the echo effect on the microphone audio.
  • Tone: Adjust the TONE knob to modify the treble and bass balance of the microphone audio for a clearer sound.

2. Microphone Usage and Range

The wireless microphones operate on Ultra-High Frequency (UHF) for stable transmission.

Diagram showing UHF long range transmission up to 100 feet

Image: Visual representation of the UHF long-range transmission capability, extending up to 100 feet.

  • Hold the microphone approximately 2-4 inches from your mouth for optimal sound pickup.
  • Avoid covering the microphone grille with your hand to prevent muffled sound.
  • The system offers an operation range of up to 100 feet line-of-sight. Obstacles may reduce this range.
  • The system features 16 selectable frequencies. If you experience interference, consult the troubleshooting section for frequency adjustment.

Maintenance

  • Cleaning: Use a soft, dry cloth to clean the surfaces of the mixer and microphones. Do not use liquid cleaners or abrasive materials.
  • Storage: When not in use, store the system in a cool, dry place away from direct sunlight and extreme temperatures.
  • Battery Replacement: Replace microphone batteries when the battery indicator on the microphone display shows low power or when audio quality degrades. Always use fresh AA batteries.

Troubleshooting

ProblemPossible CauseSolution
No sound from microphones.
  • Microphone not powered on.
  • Low microphone battery.
  • Microphone volume knob is low.
  • Mixer/receiver not powered on.
  • Incorrect audio output connection.
  • Turn on microphone power switch.
  • Replace batteries.
  • Increase MIC A/B volume.
  • Ensure mixer is powered on.
  • Verify AUX OUT connection to speaker/amplifier.
No background music.
  • Music source not playing.
  • Incorrect audio input connection.
  • MUSIC volume knob is low.
  • Speaker/amplifier input not selected.
  • Start music playback on source device.
  • Verify AUX IN, OPTICAL IN, or COAXIAL IN connection.
  • Increase MUSIC volume.
  • Select correct input on your speaker/amplifier.
Static or interference.
  • Other electronic devices causing interference.
  • Microphones too far from receiver.
  • Low microphone battery.
  • Move mixer away from other wireless devices.
  • Ensure microphones are within 100 feet line-of-sight.
  • Replace batteries.

  • To change microphone frequency:

    1. Turn off the microphone.
    2. Press and hold the frequency change button (usually a small button inside the battery compartment or on the microphone body) while turning the microphone on.
    3. The frequency will change. Repeat until a clear channel is found.
Audio delay.
  • Digital audio processing in TV/soundbar.
  • Complex audio routing.
  • If using a TV, check TV audio settings for "Game Mode" or "Bypass" to reduce processing.
  • Try connecting directly to an amplifier or speaker via AUX if possible.

Specifications

Model NumberK202
Brandvoijump
Connectivity TechnologyWireless (UHF)
Number of Channels2
Audio InputMicrophone, 3.5mm AUX, Optical, Coaxial
Power SourceBattery Powered (Microphones), DC 5V (Receiver)
Item Weight1.6 Pounds
Product Dimensions6.65 x 4.76 x 2.2 inches
MaterialPlastic
Operation RangeUp to 100 feet (line-of-sight)

Warranty Information

voijump products are designed and manufactured to the highest quality standards. For detailed warranty information, including terms, conditions, and registration, please refer to the warranty card included with your purchase or visit the official voijump website. Keep your purchase receipt as proof of purchase for warranty claims.

Support

If you encounter any issues not covered in this manual or require further assistance, please contact voijump customer support. You can find contact information on the official voijump website or through your retailer.

For more information, visit: voijump Store on Amazon

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