XTUGA A140 4 Wireless Microphone System User Manual

Product Overview

The XTUGA A140 is a professional 4-channel UHF wireless microphone system designed to deliver clear and loud audio signals with superior anti-interference capabilities. It is suitable for a wide range of applications including karaoke, church events, weddings, and other live performances. The system features a robust all-metal construction for durability and high-quality sound transmission.

Figure 1: XTUGA A140 4-Channel Wireless Microphone System, showing the receiver unit and four handheld microphones.

Package Contents

Upon opening the package, ensure all components are present:

• 1 x 4-Channel UHF Wireless Receiver
• 2 x Antennas (for enhanced signal reception)
• 4 x UHF Wireless Handheld Microphones
• 1 x Power Adapter
• 1 x 1/4'' Audio Cable
• 1 x User Manual

Figure 2: All components included in the XTUGA A140 package.

Setup Instructions

1. Receiver Placement: Place the 4-channel UHF wireless receiver on a stable surface. For optimal signal reception, ensure the area is clear of obstructions. The receiver is designed for rack mounting, but can also be used as a standalone unit.
   

   Figure 3: Proper placement of the receiver with antennas for best signal.

2. Connect Antennas: Screw the two included antennas into the designated ports on the back of the receiver. Ensure they are securely tightened and positioned vertically for best performance.
3. Power Connection: Connect the power adapter to the DC input port on the receiver and plug it into a power outlet.
4. Audio Output Connection:
   • For individual microphone outputs, connect XLR cables from the receiver's balanced XLR output ports (labeled 1-4) to your mixer or amplifier's corresponding input channels.
   • For a mixed output, use the provided 1/4'' audio cable to connect the receiver's mixed output jack to a single input on your mixer or amplifier.
   

   Figure 4: Rear panel connections of the receiver, including DC input, balanced XLR outputs, mixed output, and antenna interfaces.

5. Microphone Battery Installation: Each handheld microphone requires two AA batteries (not included). Unscrew the lower part of the microphone body to reveal the battery compartment. Insert the batteries, observing the correct polarity. Re-attach the lower part securely.
   

   Figure 5: Handheld microphone with the battery compartment open for AA battery installation.

Operating Instructions

1. Power On: Turn on the receiver using the power switch on the front panel. The LCD displays for each channel will illuminate, showing their respective frequencies.
   

   Figure 6: Front panel of the receiver displaying channel frequencies and volume controls.

2. Microphone Activation: Turn on each handheld microphone using its power switch. The microphone's LCD display will show its assigned frequency and battery status. The receiver's corresponding channel display will indicate signal reception (RF) and audio signal (AF).
   

   Figure 7: Handheld microphone with its LCD screen showing frequency and signal strength.

3. Volume Adjustment: Adjust the individual volume knobs on the receiver for each microphone channel to achieve the desired audio level.
4. Frequency Stability: The system operates on fixed UHF frequencies (Group A: 504.50MHz, 514.60MHz, 521.90MHz, 538.70MHz) for stable transmission and reduced interference.
5. Operating Range: The system offers an operating range of up to 300 feet (approximately 91 meters) in optimal conditions. Ensure a clear line of sight between the microphones and the receiver for best performance.
   

   Figure 8: The system provides a strong and stable signal reception up to 260 feet (approx. 80 meters).

Maintenance

• Cleaning: Use a soft, dry cloth to clean the receiver and microphones. Avoid using liquid cleaners or abrasive materials, as they may damage the finish or internal components.
• Battery Replacement: Replace microphone batteries when the battery indicator on the microphone's LCD display shows low power. Consider using rechargeable AA batteries for environmental and cost efficiency.
• Storage: When not in use for extended periods, store the system in a cool, dry place, away from direct sunlight and extreme temperatures. Remove batteries from microphones before long-term storage to prevent leakage.

Troubleshooting

Product Specifications

Official Product Video

Warranty and Support

The XTUGA A140 Wireless Microphone System comes with a manufacturer's warranty. Please refer to the included warranty card in your package for specific terms, conditions, and duration of coverage.

For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact XTUGA customer service through their official website or the retailer where the product was purchased. Keep your purchase receipt as proof of purchase for warranty purposes.

XTUGA is committed to providing high-end electronic audio products and customer satisfaction.