1. Introduction
The CEYYOR K9 Wireless Lapel Microphone System is a 2-pack Type-C wireless lavalier microphone designed for high-quality audio recording. It utilizes 2.4G wireless transmission technology, offering a plug-and-play experience without the need for Bluetooth pairing. This system is specifically engineered for devices with Type-C interfaces, including iPhone 15/16 series, Android Type-C phones, tablets, and laptops.
Key features include simultaneous audio recording for two individuals, a built-in intelligent DSP chip for advanced AI noise reduction that effectively filters environmental noise, and clear human voice restoration. Its long battery life and portable design make it suitable for various applications such as live streaming, vlogging, short video creation, interviews, and online teaching.
2. Package Contents
Please check the box for the following items:
- Wireless Lavalier Microphone Transmitter x 2
- Type-C Wireless Receiver x 1
- Type-C Charging Cable x 1
- Windproof Foam Cover x 2
3. Specifications
| Item | Parameter |
|---|---|
| Model | K9 |
| Transmission Technology | 2.4G Wireless Transmission |
| Transmission Range | 20 meters (obstacle-free environment) |
| Frequency Response | 20Hz - 20kHz |
| Sensitivity | -32dB ± 3dB |
| Signal-to-Noise Ratio | ≥70dB |
| Microphone Directivity | Omnidirectional |
| Transmitter Battery Capacity | 80mAh each |
| Receiver Interface | Type-C |
| Single Charge Battery Life | Approx. 8 hours |
| Charging Time | Approx. 1 hour |
| Weight | Transmitter: Approx. 10g each; Receiver: Approx. 6g |
| Compatible Systems | iOS 16+ / Android 10+ / Windows 10+ / MacOS 12+ |
| Audio Quality | 48kHz HD sampling rate |
4. Setup and First Time Use
Follow these steps for initial setup and connection:
- Power On Microphone: Press and hold the power button of any microphone for 2 seconds. The blue indicator light will turn on and remain steady, indicating successful power on.
- Connect Receiver: Plug the Type-C receiver directly into the Type-C port of your recording device (phone, tablet, or laptop). The blue indicator light of the receiver will turn on and remain steady, indicating that the automatic connection is successful.
- Start Recording: Once successfully connected, you can immediately begin recording without needing any additional apps or settings.
5. Operating Instructions
Demonstration of K9 microphone setup, mute function, omnidirectional pickup, and charging.
5.1. Single Microphone Use
- Turn on one microphone and plug the receiver into your device.
- The microphone will automatically pair and connect with the receiver.
5.2. Dual Microphones Simultaneous Use
- Turn on both microphones at the same time. Both indicator lights will stay blue.
- Plug in the receiver. The receiver will automatically connect with both microphones simultaneously, allowing two people to record at the same time.
5.3. Mute Function
- Short press the power button once: This will mute or unmute the microphone. When muted, the red light on the microphone will stay on.
5.4. Intelligent Noise Cancellation
- Double click the power button: This action will toggle the intelligent noise cancellation function on or off.
5.5. Power Off
- Manual Power Off: Press and hold the microphone power button for 2 seconds. The indicator light will go out, indicating the microphone is powered off.
- Receiver Auto Power Off: Unplug the receiver from your device, and it will automatically turn off.
- Microphone Auto Power Off: The microphone will automatically turn off after 5 minutes of no signal input.
5.6. Charging Instructions
- Use the provided Type-C data cable to connect the microphone to a power adapter or a computer's USB interface for charging.
- The microphone's indicator light will be red during charging and will turn off when fully charged.
- The receiver does not require separate charging; it is powered directly by the connected device.
6. Indicator Light Instructions
| Indicator Light Status | Meaning |
|---|---|
| Blue steady on | Connected / Working normally |
| Blue flashing | Pairing / Not connected |
| Red steady on | Charging |
| Red flashing | Low battery |
| Light off | Powered off / Charging completed |
7. Maintenance and Safety Precautions
To ensure the longevity and safe operation of your CEYYOR K9 microphone system, please observe the following:
- Do not expose the microphone or receiver to high temperatures, open flames, or humid environments.
- Do not disassemble, modify, or attempt to repair the product. If a malfunction occurs, please contact customer service.
- Avoid plugging or unplugging the receiver with wet hands to prevent liquid from entering the interface and causing a short circuit.
- Always use a regular and qualified power adapter when charging. Avoid using inferior chargers.
- Keep the product out of reach of children to prevent them from swallowing small parts.
- When cleaning the product, use a dry, soft cloth. Do not use alcohol, detergents, or other chemicals.
8. Troubleshooting (FAQ)
Q: No sound after plugging in the receiver?
A:
- 1. Ensure the microphone is turned on and successfully connected to the receiver.
- 2. Check if the device volume is turned to the minimum or muted.
- 3. Confirm that your device has granted the necessary app permissions to use the microphone.
- 4. Try re-plugging the receiver or restarting the microphone.
Q: There is noise or current sound in the recording?
A:
- 1. Ensure the distance between the microphone and the receiver is within the effective range (20 meters).
- 2. Stay away from electromagnetic interference sources such as routers and microwave ovens.
- 3. Turn on the intelligent noise cancellation function (double-press the power button).
- 4. Check if the microphone battery is sufficient.
Q: Only one microphone has sound when using dual mics?
A:
- 1. Ensure both microphones are turned on.
- 2. Turn off both microphones and then turn them on again to allow them to automatically pair with the receiver.
- 3. Check if both microphones have sufficient battery power.
Q: Short transmission distance or unstable connection?
A:
- 1. Ensure there are no obstacles between the microphone and the receiver.
- 2. Stay away from electromagnetic interference sources.
- 3. Check if the microphone battery is sufficient.
- 4. Re-pair the connection by turning off and on both microphones and re-plugging the receiver.
9. User Tips
No specific user tips were available from customer reviews or Q&A for this product at this time. Always refer to the official instructions for optimal performance.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the product's official website or contact the retailer where the product was purchased. Keep your proof of purchase for any warranty claims.