1. Introduction
Thank you for choosing the Heikuding UHF Wireless Microphone Converter. This system is designed to transform your traditional wired XLR microphones into wireless units, offering freedom of movement and reducing cable clutter. It supports various microphone types, including dynamic microphones (0V), and condenser microphones requiring 5V or 48V phantom power. Please read this manual carefully to ensure proper setup and operation.
2. Safety Information
- Keep the device away from water, moisture, and extreme temperatures.
- Do not attempt to disassemble or modify the device.
- Use only the specified charging method (Type-C) and power adapters.
- Avoid dropping or subjecting the units to strong impacts.
- Keep out of reach of children.
3. Package Contents
Please check that all the following items are included in your package:
- 1 x UHF Wireless Transmitter Unit
- 1 x UHF Wireless Receiver Unit
- 1 x XLR to 1/4 inch Adapter
- 1 x Type-C Charging Cable (assumed)
4. Product Overview
The Heikuding UHF Wireless Microphone Converter system consists of a transmitter and a receiver, both equipped with XLR connectors for direct attachment to microphones and audio equipment. Each unit features an intuitive display and control buttons for easy operation.
Controls and Indicators:
- Display Screen: Shows channel (CHA), frequency, battery level, and selected microphone mode (0V, 5V, 48V).
- Power Button: Long press to power on/off. Short press to mute/unmute.
- CH+ Button: Short press to change frequency/channel. Long press for 3 seconds to switch between A/B channels.
- VOL+ Button: Short press to adjust volume degree. Long press for 3 seconds to switch between 0V, 5V, and 48V microphone modes.
- Type-C Charging Port: For recharging the internal battery.
5. Setup Guide
- Charge the Units: Before first use, fully charge both the transmitter and receiver units using the provided Type-C charging cable. Refer to the 'Charging and Battery' section for details.
- Connect the Transmitter: Plug the transmitter unit directly into the XLR output of your microphone.
- Connect the Receiver: Plug the receiver unit into the XLR input of your audio mixer, amplifier, or other audio equipment. If your equipment has a 1/4 inch input, use the included XLR to 1/4 inch adapter.
- Power On: Long press the 'Power' button on both the transmitter and receiver units to turn them on. The display screens should light up.
- Automatic Pairing: The units are designed to pair automatically. If they do not connect, ensure both are on the same channel (A or B) and frequency. Refer to the 'Operation' section for changing channels and frequencies.
6. Operating Instructions
Basic Functions:
- Power On/Off: Long press the 'Power' button for approximately 2-3 seconds.
- Mute/Unmute: Short press the 'Power' button to mute or unmute the microphone.
- Adjust Volume: Short press the 'VOL+' button to increase the volume degree. Short press the 'CH+' button to decrease the volume degree.
- Change Frequency: Short press the 'CH+' button to cycle through available frequencies.
Advanced Functions:
- Switch A/B Channel: To change between A and B channels, long press the 'CH+' button for 3 seconds on both the transmitter and receiver. Ensure both units are set to the same A/B channel for proper operation.
- Select Microphone Mode (0V/5V/48V): To select the appropriate power mode for your microphone, long press the 'VOL+' button for 3 seconds on the transmitter unit. Cycle through 0V (for dynamic microphones), 5V (for condenser microphones requiring 5V bias), and 48V (for condenser microphones requiring full phantom power). Select the mode that matches your microphone's requirements.
7. Charging and Battery
Both the transmitter and receiver units are equipped with a 1200mAh rechargeable battery, providing approximately 7 hours of working time on a full charge. Charging takes about 3 hours via the Type-C port.
- Connect the Type-C charging cable to the charging port on each unit and to a suitable USB power source.
- The battery indicator on the display will show charging status.
- Disconnect the charger once the battery is full to prolong battery life.
8. Specifications
| Feature | Detail |
|---|---|
| Item Type | Wireless Systems |
| Brand Name | Heikuding |
| Material | Plastic |
| Origin | Mainland China |
| RF Connection Range | >164ft (50m) |
| Latency | < 3ms |
| Sampling Rate | 48KHz |
| Transmission Distance | 50 meters |
| Simultaneous Channels | 20 |
| Frequency Bands | UHF 500-599Mhz, UHF 600-699Mhz |
| Battery Capacity | 1200mAh |
| Working Time | 7 hours |
| Charging Time | 3 hours |
| Microphone Support | 0V (Dynamic), 5V (Condenser), 48V (Condenser) |
9. Troubleshooting
- No Sound Output:
- Ensure both transmitter and receiver are powered on and fully charged.
- Check all cable connections between the microphone, transmitter, receiver, and audio equipment.
- Verify that the volume on both the wireless units and your audio equipment is adequately set.
- Confirm that the transmitter and receiver are paired and on the same channel (A or B) and frequency.
- Ensure the correct microphone mode (0V, 5V, or 48V) is selected on the transmitter for your specific microphone.
- Interference or Poor Signal:
- Ensure the units are within the optimal transmission range (up to 50 meters) and there are no major physical obstructions.
- Try changing the frequency/channel on both units to avoid interference from other wireless devices.
- Avoid placing the units near strong electromagnetic fields or other wireless transmitters.
- Units Not Pairing:
- Power cycle both units (turn off, then on again).
- Manually switch the A/B channel on both the transmitter and receiver by long-pressing the 'CH+' button for 3 seconds until they match.
- Battery Not Charging:
- Check the Type-C charging cable for damage and ensure it is securely connected to both the unit and the power source.
- Try a different USB power adapter or charging port.
10. User Tips
- Channel Management: If you experience interference, try changing the A/B channel by long-pressing CH+ for 3 seconds on both units. This can help find a clearer signal.
- Volume Adjustment: The system offers adjustable volume levels. Use short presses of VOL+ or CH+ to fine-tune the output to match your audio setup.
- Pre-Event Check: Always fully charge both units before important events or performances to ensure maximum operating time. Test all connections and settings beforehand to prevent issues during use.
- Microphone Compatibility: Remember to select the correct microphone mode (0V, 5V, or 48V) on the transmitter to match your microphone's power requirements for optimal performance.
11. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the units. Do not use liquid cleaners or solvents.
- Storage: Store the units in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Battery Care: If storing for extended periods, charge the batteries every 3-6 months to maintain their health and prevent deep discharge.
- Handling: Handle the units with care to avoid physical damage to the connectors or internal components.
12. Warranty and Support
This product comes with a standard manufacturer's warranty. Please refer to your purchase documentation or contact your retailer for specific warranty details and terms. For technical support or assistance, please reach out to your point of purchase or the manufacturer directly.
