MicrocKing MK240-2
MicrocKing Wireless Microphone System MK240-2 User Manual
Model: MK240-2 | Brand: MicrocKing
Introduction
The MicrocKing Wireless Microphone System MK240-2 is a professional-grade UHF cordless microphone set designed for various audio applications, including karaoke, parties, weddings, concerts, conferences, and public speaking. It features a durable metal build, fixed frequency design, and long-range capabilities to ensure stable and clear audio transmission. This system includes both handheld microphones and lavalier/headset bodypacks, offering versatile options for different user needs.

Figure 1: Overview of the MicrocKing Wireless Microphone System MK240-2.
What's in the Box
Upon unboxing your MicrocKing Wireless Microphone System MK240-2, verify that all components listed below are present:
- 2 x Handheld Microphones
- 1 x Receiver Case
- 2 x Lavalier Belt Pouches
- 2 x Headphones (Headset Microphones)
- 4 x Antennas
- 1 x User Manual (Printed)
- 1 x Power Adapter
- 1 x 6.35mm to 6.35mm Cable
- 2 x Clip Neck Microphones (Lavalier Microphones)

Figure 2: Contents of the MicrocKing Wireless Microphone System MK240-2 package.
Setup
1. Receiver Setup
- Place the receiver case on a stable, flat surface.
- Attach the four antennas to the corresponding ANT-A, ANT-B, ANT-C, and ANT-D ports on the rear of the receiver. Ensure they are securely tightened.
- Connect the power adapter to the DC 12V input on the receiver and plug it into a power outlet.
- Connect the receiver's MIX OUT (1/4'' audio output) or individual BALANCED XLR outputs (A, B, C, D) to your mixing board, amplifier, or sound system using the provided 6.35mm cable or appropriate XLR cables (not included).

Figure 3: Receiver connections for antennas and audio output.

Figure 4: Front panel of the receiver showing channel displays and controls.
2. Bodypack Transmitter Setup
- Open the battery compartment of the bodypack transmitter.
- Insert two AA batteries, ensuring correct polarity. (Batteries are not included and must be purchased separately).
- Close the battery compartment securely.
- Connect either a lavalier (clip neck) microphone or a headset microphone to the 3-pin mini XLR connector on the bodypack transmitter.
- Attach the bodypack to your belt or clothing using the integrated clip.

Figure 5: Bodypack transmitter battery installation and microphone connection.

Figure 6: Versatility of handheld and bodypack transmitters.
3. Handheld Microphone Setup
- Unscrew the bottom part of the handheld microphone to reveal the battery compartment.
- Insert two AA batteries, ensuring correct polarity. (Batteries are not included and must be purchased separately).
- Screw the bottom part back on securely.
Operating Instructions
Powering On/Off
- To power on the receiver, press the POWER button on the front panel. The LCD displays will illuminate.
- To power on the handheld microphones or bodypack transmitters, slide their respective ON/OFF switches to the "ON" position.
- To power off, reverse these steps.
Volume Control and Frequency Display
The receiver features individual volume controls for each channel (Vol A, Vol B, Vol C, Vol D) allowing for precise vocal balance. The LCD displays show the current frequency numbers and signal strength for each channel, ensuring optimal performance and signal stability.
Usage Scenarios
The MicrocKing Wireless Microphone System is versatile and suitable for a wide range of applications:
- Karaoke: Enjoy clear and smooth sound for family gatherings and parties.
- Public Speaking: Ideal for classroom lectures, conference speeches, and presentations, providing hands-free operation with lavalier or headset microphones.
- Live Performances: Suitable for small outdoor performances, bars, dance halls, and KTV rooms.
- Interviews: Convenient for indoor/outdoor shooting interviews with reliable audio.

Figure 7: The system provides ultimate enjoyment for family and friends.

Figure 8: Diverse applications for the wireless microphone system.

Figure 9: Clear sound quality for lectures and speeches.
Product Demonstration Video
Video 1: Official product demonstration of the MicrocKing UHF wireless microphone system (MK240-2), showcasing its features and setup.
Maintenance
- Battery Replacement: Replace AA batteries in handheld microphones and bodypack transmitters when the battery indicator on their displays shows low power. Always use fresh batteries for optimal performance.
- Cleaning: Use a soft, dry cloth to clean the receiver and microphones. Avoid using abrasive cleaners or solvents.
- Storage: Store the system in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Durability: The handheld microphones feature a metal mesh head and metal connectors for enhanced impact and corrosion resistance. While designed for durability, handle all components with care to prevent damage.

Figure 10: Handheld microphone durability features.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from microphone | Low or dead batteries in microphone/bodypack; Microphone/bodypack not powered on; Receiver not powered on; Incorrect cable connection; Volume too low. | Replace batteries; Ensure microphone/bodypack and receiver are powered on; Check all cable connections; Increase volume on receiver and connected audio device. |
| Sound distortion or interference | Microphone too close to speakers (feedback); Environmental interference; Weak signal due to distance. | Adjust microphone position to avoid feedback; Ensure antennas are properly connected and extended; Reduce distance between transmitter and receiver (up to 200m in ideal conditions). |
| Microphone display is bright but no sound | Batteries too low to transmit signal, despite display power. | Replace batteries with fresh ones. |

Figure 11: Long distance coverage with stable signals.
Specifications
| Feature | Detail |
|---|---|
| Brand | MicrocKing |
| Model Number | MK240-2 |
| Microphone Form Factor | Handheld, Lavalier, Headset |
| Power Source | Battery Powered (AA batteries required) |
| Number of Channels | 4 |
| Material | Metal (receiver, handheld mic head), Plastic (bodypack) |
| Signal-to-Noise Ratio | 85 dB |
| Frequency Response | 16000 Hz |
| Connectivity Technology | XLR |
| Connector Type | XLR |
| Special Feature | Mute Function, Volume Control |
| Compatible Devices | PC, Television, Karaoke Machine |
| Polar Pattern | Unidirectional |
| Item Weight | 4.5 Pounds |
| Country of Origin | China |
Warranty and Support
MicrocKing is committed to providing satisfactory results and focuses on service. For detailed warranty information, technical support, or any inquiries regarding your MK240-2 Wireless Microphone System, please refer to the official user manual included in your package or visit the MicrocKing brand store online.
You can also download the User Manual PDF here.
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