G-MARK 4 Channels Wireless Microphone Karaoke System User Manual

1. Product Overview

The G-MARK 4 Channels Wireless Microphone Karaoke System (Model GLC640) is designed for versatile audio applications, including karaoke, DJ events, parties, church services, and weddings. This system provides a reliable and high-quality audio experience with its advanced wireless technology and dynamic microphones.

Figure 1: G-MARK 4 Channels Wireless Microphone Karaoke System. This image displays the complete system, including the receiver unit and four handheld wireless microphones.

Key features include:

• 4 Channels: Allows simultaneous use of four microphones with independent volume control.
• Wireless Freedom: Operates up to 164ft (50 meters) range, ensuring mobility without interference.
• Clear Sound Quality: Equipped with dynamic microphones and cardioid pickup patterns for crystal-clear vocals and noise reduction.
• Easy Setup: Plug-and-play functionality with automatic scanning and connection.
• Anti-Interference: Features automatic scanning to improve noise immunity and reduce channel interference.

Figure 2: Applicable Distance. This illustration demonstrates the effective wireless range of up to 50 meters (164 feet) for the microphone system, suitable for most indoor environments.

2. What's in the Box

Please check the contents of your package to ensure all items are present and in good condition:

• 1 x Receiver Unit
• 4 x Wireless Handheld Microphones
• 4 x Microphone Protection Rings
• 1 x Power Cable
• 1 x 6.35mm Audio Cable
• 1 x User Manual (this document)

Figure 3: Package Contents. This image visually confirms the items included in the product package: the receiver, four microphones, power cable, 6.35mm cable, and user manual.

3. Setup Guide

Follow these steps to set up your G-MARK Wireless Microphone System:

1. Connect the Receiver:

   Connect the receiver unit to a power source using the provided power cable. Plug the other end into a standard electrical outlet.

   Connect the receiver's audio output to your sound system (mixer, PA amplifier, or karaoke machine) using the 6.35mm audio cable. For professional setups, use the balanced XLR outputs (A/B) if your sound system supports them.

   

   Figure 4: Receiver Connections. This diagram illustrates the front panel controls (volume, HD screen, indicator light, power) and the rear panel ports (audio output, power input, balanced XLR A/B) of the receiver unit.
2. Power On the Receiver:

   Press the POWER button on the receiver's front panel. The LED display will illuminate.

3. Insert Batteries into Microphones:

   Unscrew the bottom part of each handheld microphone and insert two AA batteries (not included), ensuring correct polarity. Screw the bottom back on securely.

4. Power On Microphones:

   Press the power button on each microphone. The microphone's display will show its channel and battery status. The system features an automatic scanning function, so the microphones should automatically connect to the receiver.
5. Test Connection:

   Speak into each microphone to test the audio output through your sound system. Adjust the individual volume knobs on the receiver for each microphone (A, B, C, D) to achieve the desired sound level.

4. Operating Instructions

Once set up, operating the G-MARK Wireless Microphone System is straightforward:

• Volume Control: Each microphone channel (A, B, C, D) on the receiver has an independent volume knob. Rotate the knob clockwise to increase volume and counter-clockwise to decrease it.


Figure 5: Damped Volume Knobs. This image highlights the precise volume control knobs on the receiver, allowing for fine adjustments to each microphone's output.

• Microphone Display: The display on each handheld microphone shows its current operating frequency and battery level. Monitor the battery level to ensure uninterrupted performance.
• Receiver Display: The receiver's HD screen provides real-time feedback on microphone signal strength and status.
• Frequency Range: The fixed frequency of the wireless microphone set is designed to be 500-580MHz. The automatic scanning function helps in finding the clearest channel.
• Microphone Quality: The dynamic microphones with G-MARK custom capsules are designed to reduce noise and restore realistic vocals, ensuring clear and accurate sound reproduction.


Figure 6: G-MARK Custom Capsules. This close-up shows the microphone's grille and internal capsule, emphasizing its design for noise reduction and vocal clarity.

5. Maintenance

Proper maintenance ensures the longevity and optimal performance of your wireless microphone system:

• Cleaning: Use a soft, dry cloth to clean the receiver and microphones. Do not use liquid cleaners or abrasive materials.
• Battery Care: Remove batteries from microphones if they will not be used for an extended period to prevent leakage and damage.
• Storage: Store the system in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
• Handling: Handle microphones and the receiver with care. Avoid dropping them or subjecting them to strong impacts.

6. Troubleshooting

If you encounter issues with your G-MARK Wireless Microphone System, refer to the following common problems and solutions:

7. Specifications

8. Warranty and Support

G-MARK products are manufactured to high-quality standards. For specific warranty details, please refer to the warranty card included with your product or visit the official G-MARK website. Keep your purchase receipt as proof of purchase for warranty claims.

If you have any questions, require technical assistance, or need to report an issue, please contact G-MARK customer service. Contact information is typically available on the product packaging or the official brand website.