1. Introduction
Thank you for choosing the Alvoxcon CK910 UHF Wireless Handheld Microphone. This manual provides essential information for the proper setup, operation, and maintenance of your device. Please read it thoroughly before use to ensure optimal performance and longevity of the product.
The Alvoxcon CK910 is a versatile UHF wireless microphone system designed for various applications including karaoke, video recording, voice amplification, and more. It features advanced digital signal modulation technology for high-quality, stable audio transmission with low latency.
2. Product Overview
2.1 Package Contents
- Alvoxcon CK910 Handheld Microphone
- UHF Receiver (6.35mm jack)
- USB Charging Cable
- 3.5mm TRS to TRRS Relay Cable (for smartphones)
- 3.5mm TRS to TRS Relay Cable (for cameras)
- Hot Shoe Adapter (for camera mounting)
- User Manual (Japanese)
2.2 Key Features
- High-Quality Audio: Utilizes advanced UHF DQPSK digital signal modulation for clear, stable sound with low latency.
- Extended Range: Offers a transmission distance of up to 20 meters.
- Automatic Pairing: Simplifies setup for immediate use.
- LCD Display: Shows channel number and battery level on the microphone body.
- Rechargeable Batteries: Environmentally friendly design with built-in rechargeable batteries.
- Simultaneous Charging: Included USB cable allows charging of both microphone and receiver at the same time.
- Durable Construction: Integrated molding technology with an aluminum body for durability, fade resistance, and noise reduction.
- Multiple Channels: Features 5 selectable channels to avoid interference.
- Wide Compatibility: Connects to speakers, smartphones, and cameras.
Figure 1: Alvoxcon CK910 Wireless Handheld Microphone and Receiver.
Figure 2: Key features of the Alvoxcon CK910, highlighting sound quality, range, and construction.
3. Setup
3.1 Initial Charging
Before first use, fully charge both the handheld microphone and the receiver. Connect the included USB charging cable to the charging ports on both devices and a USB power source (e.g., wall adapter, power bank, computer USB port). The charging indicator will show the charging status.
- Charging Time: Approximately 1.5 hours.
- Usage Time: Approximately 6 hours on a full charge.
Figure 3: USB charging methods for the microphone and receiver.
3.2 Automatic Pairing
The microphone and receiver are pre-paired at the factory. Typically, no manual pairing is required. Simply power on both devices, and they should connect automatically.
- Insert the receiver into the MIC IN port of your audio device (speaker, amplifier, mixer, camera, or smartphone).
- Press and hold the power button on the receiver until the RF/POW indicator lights up.
- Press and hold the power button on the handheld microphone until its LCD screen illuminates.
- The devices should automatically connect. The RF indicator on the receiver will turn solid blue, and the microphone's LCD will display the channel and battery level.
3.3 Connecting to Audio Devices
The receiver features a 6.35mm jack for direct connection to devices with a 6.35mm MIC IN port. For other devices, use the appropriate included adapter cables:
- For Speakers/Amplifiers/Mixers: Plug the 6.35mm receiver directly into the MIC IN port.
- For Smartphones (iPhone & Android): Use the 3.5mm TRS to TRRS relay cable. Connect the 3.5mm end of the receiver to the TRS end of the relay cable, then plug the TRRS end into your smartphone's headphone/audio jack.
- For Cameras (DSLR): Use the 3.5mm TRS to TRS relay cable. Connect the 3.5mm end of the receiver to the TRS end of the relay cable, then plug the other TRS end into your camera's MIC IN port.
Figure 4: Connection methods for the receiver to different audio devices.
Important Compatibility Notes:
- This product is not compatible with MacBooks.
- For iPhone 7 and later models, an Apple Lightning to 3.5mm Headphone Jack Adapter (not included) is required.
- Full compatibility with all Android smartphone systems is not guaranteed. If you experience no sound with an Android phone, try downloading and using the "Open Camera" app.
- Not applicable for small Bluetooth speakers.
4. Operating Instructions
4.1 Power On/Off
- To Power On: Press and hold the power button on both the microphone and receiver until their respective indicators light up.
- To Power Off: Press and hold the power button on both devices until their indicators turn off.
4.2 Mute Function
The microphone is equipped with a mute function. Briefly press the power button on the microphone to toggle mute on or off. The LCD display will indicate the mute status.
4.3 Channel Switching
The Alvoxcon CK910 offers 5 selectable channels. While channels are factory pre-set and usually do not require adjustment, you may need to change channels if you experience interference or difficulty pairing.
- Ensure both the microphone and receiver are powered on.
- Locate the channel change button (often a small pinhole button) on the microphone.
- Use a small pin or paperclip to press the channel change button. The channel number on the microphone's LCD will change.
- Repeat this process until you find a clear channel. The receiver should automatically sync to the new channel.
Figure 5: Microphone and receiver components, showing charging ports and channel change button.
Note on Multiple Units:
Simultaneous use of multiple Alvoxcon CK910 microphone sets may lead to frequency interference. It is recommended to use each microphone set independently to ensure optimal performance.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the microphone and receiver. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the batteries frequently. Charge them regularly, even if not in use for extended periods.
- Handling: Handle the microphone and receiver with care to prevent damage from drops or impacts.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from microphone | Microphone or receiver not powered on; Low battery; Incorrect connection; Mute function active; Interference. | Ensure both devices are powered on and charged. Check all cable connections. Deactivate mute. Try changing the channel (Section 4.3). |
| Cannot pair devices | Interference; Devices too far apart; Channel mismatch. | Ensure devices are within 20m range. Try changing the channel on the microphone (Section 4.3). Power cycle both devices. |
| Sound quality is poor or distorted | Interference; Low battery; Microphone too close/far from sound source. | Try changing the channel. Ensure batteries are fully charged. Adjust microphone distance from the sound source. |
| Microphone not working with Android phone | App compatibility issue. | Try using the "Open Camera" app. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | CK910 |
| Brand | Alvoxcon |
| Connectivity Technology | UHF Wireless |
| Polar Pattern | Unidirectional |
| Number of Channels | 5 |
| Audio Sensitivity | 60 dB |
| Power Source | Battery Powered (2 Lithium Ion batteries included) |
| Charging Time | Approx. 1.5 hours |
| Usage Time | Approx. 6 hours |
| Material | Aluminum |
| Product Weight | 0.46 kg |
| Dimensions | 26.5 x 11.6 x 7.7 cm |
| Connector Type | 3.5mm TRS (MIC IN), 6.35mm (MIC IN) |
| Compatible Devices | Karaoke machines, Cameras (DSLR), Smartphones (iPhone & Android) |
| Features | Mute function |
8. Warranty and Support
Alvoxcon provides a 12-month quality warranty for this product. This warranty covers manufacturing defects and ensures the product meets its specified quality standards.
In case of initial defects, missing parts, or any issues during use, please contact the seller through your order history. We are committed to providing prompt assistance and will facilitate exchanges or returns as necessary.
For any questions or concerns, please reach out to our customer support. We prioritize product quality and customer satisfaction.
