1. Introduction
Thank you for purchasing the COMICA BoomX-U QUA UHF Wireless Lavalier Microphone System. This system is designed to provide high-quality audio recording for various applications, including DSLR cameras, camcorders, and smartphones. Please read this manual carefully before use to ensure proper operation and to maximize the product's performance.
Product overview video demonstrating the COMICA BoomX-U QUA system in use.
2. Main Features
- 4-group UHF Wireless Microphone, Broadcast Level
- Internal and External Two Input Modes
- 24 Channels, Support Multi-receiver Monitoring & Shooting
- Support Auto-scanning/Manual Channel-setting
- 180° Foldable Antenna, 120m Super-long Transmission Distance
- LCF (Low Cut Filter), 16-level Adjusted Gain Control, Optional Language, Muting Functions
- Support 4 Audio Tracks Mixing and Individual Output Functions
- Support Charging While in Use, Battery Life Up to 6.5 Hours
- LCD Screen for Intuitive Power and Audio Dynamic Monitor
- Special Anti-loose Design for External Lavalier Mic
- Designed with Multi-functional Belt Clip and Compact
3. Packing List
All components included in the COMICA BoomX-U QUA system.
- Transmitter (TX) *4
- Receiver (RX) *1
- 3.5mm Mic Audio Input Cable *1
- Wind Muff *1
- 3.5mm TRS-XLR Audio Cable *1
- 3.5mm TRS-TRS Audio Cable *1
- 3 in 1 Charging Cable *1
- Cold-shoe Quick Release Plate *1
- Carry Case *1
- User Manual *1
- Warranty Card *1
4. Product Overview
4.1 Transmitter (TX)
Detailed view of the Transmitter (TX) unit with all its components labeled.
4.2 Receiver (RX)
Detailed view of the Receiver (RX) unit with all its components labeled.
5. Setup Guide
5.1 Charging the Devices
The system includes a 3-in-1 USB-C charging cable. Connect the cable to the USB-C charging ports on the transmitters and receiver. The transmitters have a 700mAh built-in lithium battery, and the receiver has a 1400mAh built-in lithium battery. The system supports charging while in use, providing up to 6.5 hours of operation.
Charging the Transmitter and Receiver units.
5.2 Mounting the Transmitter (TX)
The transmitter units come with a belt clip for easy attachment to clothing or a belt. You can use either the internal microphone or connect an external lavalier microphone to the 3.5mm TRS port.
Using the lavalier microphone or built-in microphone on the transmitter.
5.3 Connecting the Receiver (RX)
The receiver can be mounted to a camera, camcorder, or smartphone using the cold-shoe quick release plate and appropriate audio cables.
- For Cameras/Camcorders: Use the provided 3.5mm TRS-TRS Audio Cable or 3.5mm TRS-XLR Audio Cable to connect the receiver's output to your device's audio input.
- For Smartphones: Use the provided 3.5mm TRS-TRRS Audio Cable to connect the receiver's output to your smartphone's audio jack. For iPhones, an official 3.5mm TRS to Lightning adapter is required (not included).
Compatibility and connection types for various devices.
Receiver connected to a smartphone.
Receiver connected to a camera with XLR cables.
Receiver connected to a laptop.
6. Operating Instructions
6.1 Power On/Off
Press and hold the power button on both the transmitters and the receiver to turn them on or off.
6.2 Channel Setting and Pairing
The system supports both auto-scanning and manual channel setting.
- Auto-scanning: This feature helps you automatically select the best channel, especially useful in scenarios with multiple transmitters to one receiver.
- Manual Channel-setting: Allows you to manually select the desired channel. This is often used in 'One Transmitter to Multi-receiver' or 'Multi-transmitter to Multi-receiver' setups.
Auto-scanning and Manual Channel-setting process.
Detailed auto-scanning and manual channel-setting diagram.
6.3 Gain Control and LCF (Low Cut Filter)
- 16-level Adjusted Gain Control: Use the gain control buttons on the receiver to adjust the audio input level to suit various recording needs.
- LCF (Low Cut Filter): Press the LCF button to filter out low-frequency noise, such as wind or rumble, for clearer audio.
6.4 Muting Function
The muting button on the transmitter allows you to quickly mute the microphone, which is useful for handling on-site emergencies during streaming or recording.
6.5 Monitoring and Output Modes
The receiver features an LCD screen for intuitive power and audio dynamic monitoring. It supports 4 audio tracks mixing and individual output functions.
- Non-mixing Mode: Provides four independent audio tracks output, convenient for post-production.
- Mixing Mode: Combines four groups into one audio track output.
Non-mixing mode: Four independent audio tracks output.
Mixing mode: Four groups mixed into one audio track output.
6.6 Antenna Adjustment
It is recommended to open and adjust the antenna of both the transmitter and receiver to an appropriate angle for stable transmission and long working distance. When using the auto scan function, unfold the receiver's antenna to prevent scan failure.
7. Maintenance
- Keep the devices dry. Do not expose them to rain or moisture.
- Do not disassemble the microphone system privately, as this may void the warranty.
- Clean the devices with a soft, dry cloth. Avoid using harsh chemicals or detergents.
- Store the system in the provided carry case when not in use to protect it from dust and damage.
8. Troubleshooting
8.1 Common Issues and Solutions
- Pairing Failure: Ensure the IR sensors on the transmitter and receiver are closely aligned during the pairing process.
- Poor Signal: Do not block the antenna position. Adjust the foldable antennas on both the transmitter and receiver to an appropriate angle for optimal signal strength.
- Auto Scan Failure: Make sure the receiver's antenna is fully unfolded when performing an auto scan.
- No Audio Output: Check all cable connections (TRS-TRS, TRS-TRRS, TRS-XLR) to ensure they are securely plugged into the correct ports on both the receiver and your recording device. Verify the gain levels on the receiver are not set too low or muted.
- Low Battery Life: The system supports charging while in use. Ensure devices are fully charged before extended recording sessions.
8.2 Frequently Asked Questions (FAQ)
- Q: Does it come with 3mm jack cords or any cords at all other than USB?
- A: It comes with everything you need: 3.5mm TRS-XLR, TRS-TRS, TRS-TRRS Audio Cables, a 3-in-1 USB-C Charging Cable, and 4 lines of 3.5mm Mic Audio Input Cable are all included in the package.
- Q: Can multiple sets of BoomX-U QUA be used?
- A: Up to 3 sets of BoomX-U QUA can be used at the same time. If four transmitters are not enough to meet the needs of the number of people, you can purchase multiple sets of equipment for simultaneous use.
- Q: Will this system hook up to an iPhone?
- A: Yes, it can. You will need to purchase an official 3.5mm TRS to Lightning adapter separately.
- Q: Is it possible to get separate audio for each transmitter?
- A: Yes, the BoomX-U QUA supports 4 audio tracks mixing and individual output, which is convenient for post-production and meets the requirements of different scenarios.
- Q: Can it be used on cameras such as Sony, Canon, etc.?
- A: Yes, this Wireless Lavalier Microphone is equipped with TRS-TRS cable and TRS-XLR cable for most cameras and camcorders. As long as your equipment has a 3.5mm interface, the microphone can work well on your camera.
9. Specifications
| Attribute | Value |
|---|---|
| Brand Name | COMICA |
| COMICA Model | BoomX-U QUA |
| Product Name | UHF Wireless Microphone |
| Style | Lavalier Microphone |
| Transducer | Condenser Microphone |
| Use | Pro Studio |
| Polar Patterns | Omnidirectional |
| Communication | Wireless |
| Set Type | Transmitter Sets |
| Diaphragm | S-Mall |
| Built-in Battery | Yes |
| Power Supply | 1400mAh 3.7V Built-in Lithium Battery (Receiver), 700mAh 3.7V Built-in Lithium Battery (Transmitter) |
| Battery Life | 6.5 hours |
| Sensitivity | -90dBm |
| Signal To Noise Ratio | 75dB |
| Equivalent Noise | 19dBA |
| Maximum SPL | 100dB |
| Sound Delay | <20ms |
| Plug | 3.5mm TRS |
| External Mic Input Interface | 3.5mm TRS |
| Material | Plastic |
| Origin | Mainland China |
| Certification | CE, RoHS |
| Suitable for | Conference Microphone, Other, INTERVIEW, Speech, Smart Phones, teaching, communication, broadcasting, kids teaching |
10. User Tips
- For optimal performance, ensure the transmitter and receiver antennas are fully extended and positioned correctly.
- Always monitor your audio using headphones connected to the receiver's monitoring port to catch any issues during recording.
- When recording with multiple transmitters, utilize the individual output function for greater flexibility in post-production.
- Keep the firmware updated for the best compatibility and features.
11. Warranty and Support
Quality: We guarantee a 1-year warranty from the date of purchase. If you receive a different or damaged item, please contact us before giving any feedback or opening a dispute. Please do not disassemble the microphone privately, otherwise the one-year warranty will not be available.
For further support or inquiries, please contact COMICA Audio Official Store customer service.
