1. Product Overview
The ELECTERMI SX8 is a compact and lightweight wireless lavalier microphone designed for high-fidelity sound recording. It features 360° omnidirectional pickup, intelligent noise reduction, and seamless automatic pairing, making it ideal for video recording, live broadcasts, conferences, and meetings.
Key Features:
- 360° Omnidirectional Pickup
- Intelligent Noise Reduction
- Professional DSP Noise Reduction Chip
- Hi-Fi High Fidelity Sound
- Fast Automatic Pairing & Seamless 2.4G Wireless Connection
- Lightweight and Mini Compact Design (approx. 25g)
- Long Battery Life (up to 12 hours)
- Compatible with Android, Apple (iPhone), Cameras, Laptops, Computers, and Speakers
- Multiple Sound Modes (Original Sound, Noise Reduction, Reverb)

Image: SX8 Wireless Lavalier Microphone with 360° pickup and noise reduction.

Image: Overview of SX8 features including wireless transmission, noise reduction, and long battery life.
2. Package Contents
Please check the package to ensure all items are present:
- 1x SX8 Transmitter (TX)
- 1x SX8 Receiver (RX) (Type-C or iPhone, or both depending on model)
- Charging Cable (Type-C)
- User Manual
Video: Unboxing and initial setup of the SX8 Wireless Lavalier Microphone.
3. Setup Guide
Follow these steps to set up your SX8 Wireless Lavalier Microphone:
- Charge the Microphone: Ensure both the transmitter (TX) and receiver (RX) units are fully charged before first use. Connect them to a power source using the provided Type-C charging cable. The charging port is located on the TX unit.
- Identify Receiver Type: The receiver comes in different versions (Type-C for Android, iPhone for Apple devices, or a 'for both' option). Ensure you have the correct receiver for your recording device.
- Insert the Receiver: Plug the receiver (RX) unit directly into the mobile port (charging/data port) of your smartphone, laptop, computer, or camera.
- Power On the Microphone: Long press the power button on the transmitter (TX) unit to turn it on. The microphone will automatically connect to the receiver.
- Connection Confirmation: A steady white light on both the transmitter and receiver indicates a successful connection.

Image: Visual guide for connecting the receiver to a mobile device and powering on the microphone.

Image: The microphone and receiver automatically connect upon power-on.
4. Operating Instructions
4.1 Basic Operation
- Power On/Off: Long press the power button on the TX unit.
- Automatic Connection: Once the TX and RX units are powered on and in proximity, they will automatically pair. A steady white light indicates a successful connection.
- Start Recording: After successful connection, open your device's recording app (e.g., camera app, voice recorder) and begin recording.
4.2 Sound Modes
The SX8 microphone offers multiple sound modes. Press the power button (short press) on the TX unit to cycle through the available modes:
- Original Sound: Standard audio capture.
- Noise Reduction Mode: Activates intelligent noise reduction for clearer voice capture in noisy environments.
- Reverberation Mode: Adds a reverb effect to your audio.

Image: The microphone offers 5 modes for different audio effects.
4.3 Voice Monitoring
The receiver unit supports voice monitoring. You can plug headphones into the receiver's headphone output port to monitor your audio in real-time during recording.

Image: Voice monitoring feature with headphones connected to the receiver.
4.4 Controls and Ports

Image: Diagram illustrating the keys and functions on the SX8 transmitter unit.
- Microphone Connect Indicator: Shows connection status.
- Charge Indicator: Shows charging status.
- Start Up/Power Button: Long press to power on/off, short press to cycle through sound modes (Reverb, Original Sound, Noise Reduction).
- Volume Up/Down: Adjusts microphone volume.
- Headphone Output: 3.5mm jack for real-time audio monitoring.
- Charging Port: Type-C port for charging the TX unit.
Video: Demonstrates the unboxing, connection, and mode switching (reverb, noise reduction) of the SX8 microphone.
5. Specifications

Image: Detailed product parameters including dimensions, battery, and performance.
| Feature | Specification |
|---|---|
| Product Name | Wireless Collar Clip Microphone |
| Model Number | SX8 |
| Brand Name | ELECTERMI |
| Wireless Version | 2.4G/4.2 |
| Communication | Wireless |
| Set Type | Single Microphone |
| Transducer | Cable Adapter |
| Use | Live |
| Style | Lavalier Microphone |
| Origin | Mainland China |
| Color | Black |
| Body Weight | 25g |
| Overall Dimensions | 47mm x 43mm x 10.6mm (TX unit) |
| Battery Capacity (TX) | 350mAh |
| Charging Time | About 2 hours |
| Working Hours | Up to 12 hours |
| Charging Interface | Type-C |
| Rated Input | DC5V=500mA |
| Receiving Distance | 15-20 meters (no barrier) |
| Signal-to-Noise Ratio | ≥90dB |
| Frequency Response Range | 35Hz-20KHz |
| Pointing Type | Omnidirectivity |
| Transmission Delay | 30 ms |
| Level of Sensitivity | -42 dB |
| Supported Devices | Phone, Laptop, Computer, Speaker, Camera |
6. Troubleshooting & FAQ
Here are some common questions and answers regarding the SX8 Wireless Lavalier Microphone:

Image: Frequently Asked Questions for the SX8 microphone.
- Q: Is this microphone wireless?
A: Yes, it's a wireless microphone. You just need to plug the receiver into your device, and it's ready to use. - Q: Is this microphone heavy?
A: No, the microphone unit weighs approximately 25g, making it portable and comfortable to clip on your lapel without burden. - Q: How long can the microphone be used on a single charge?
A: It can be used for up to 12 hours after a full charge. - Q: What devices can this microphone support?
A: It supports a wide range of devices including mobile phones (Android and iPhone), computers, laptops, speakers, and cameras. - Q: Does this lapel mic reduce noise?
A: Yes, this microphone features intelligent noise reduction to ensure your voice is heard clearly, even in noisy environments. - Q: Does this microphone support Android?
A: Yes, it supports both Android and iPhone systems. Ensure you select the appropriate receiver option (Type-C for Android, iPhone for Apple, or 'for both' for universal compatibility).
7. User Tips
- Check Compatibility: Always ensure you have the correct receiver type (Type-C or iPhone) for your specific recording device to avoid connectivity issues.
- Power On Sequence: Long press the power button on the transmitter (TX) to turn it on. The system is designed for automatic connection once both units are active.
- Monitor Your Audio: Utilize the voice monitoring feature by plugging headphones into the receiver to ensure optimal sound quality during recording.
- Experiment with Modes: Cycle through the sound modes (Original Sound, Noise Reduction, Reverb) to find the best setting for your environment and desired audio effect.
- Optimal Placement: For best sound quality, clip the lavalier microphone to your clothing, approximately 6-8 inches from your mouth.
8. Maintenance
- Cleaning: Use a soft, dry cloth to clean the microphone and receiver units. Do not use liquid cleaners or solvents.
- 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 device frequently. Charge it regularly, even if not in use for extended periods.
- Avoid Water: This device is not waterproof. Avoid exposure to water or high humidity.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact information provided at the point of purchase or visit the official ELECTERMI website. Keep your purchase receipt as proof of purchase for warranty claims.