MICVISTA B09PFQ99X4
MICVISTA 2.4G Dual Wireless Headset Microphone System User Manual
Model: B09PFQ99X4
1. Introduction
Thank you for choosing the MICVISTA 2.4G Dual Wireless Headset Microphone System. This system is designed to provide clear and reliable audio transmission for various applications, including public speaking, teaching, fitness instruction, and more. It features 2.4G wireless technology for easy pairing and stable performance, allowing two users to operate simultaneously with a single receiver. Please read this manual carefully to ensure proper setup and operation of your device.
2. Package Contents
Verify that all items are present in your package:
- 2 x Wireless Headset Microphones (Transmitters)
- 1 x Wireless Receiver
- 1 x 6.35mm Adapter
- 1 x USB Charging Cable (double charging cable)
- 1 x User Manual

Image: Contents of the MICVISTA 2.4G Dual Wireless Headset Microphone System, including two headset microphones, one receiver, a 6.35mm adapter, and a charging cable.
3. Product Overview
The system consists of two wireless headset microphones (transmitters) and one receiver. Each headset integrates the microphone and transmitter for convenience. The receiver connects to your audio input device.
3.1 Headset Microphone (Transmitter)
- Microphone: High-sensitivity condenser microphone for clear voice capture.
- Power Button: On/Off control.
- Indicator Light: Shows power status and pairing status.
- Charging Port: Micro USB port for recharging the internal battery.
3.2 Receiver
- 3.5mm Audio Jack: Output for connecting to audio devices.
- Power Button: On/Off control.
- Indicator Light: Shows power status and pairing status.
- Charging Port: Micro USB port for recharging the internal battery.
- Antenna: For wireless signal reception.

Image: Diagram illustrating the individual components of the wireless microphone system, including the headset, receiver, and adapter.
4. Setup Instructions
The MICVISTA 2.4G Wireless Headset Microphone System is designed for plug-and-play operation with automatic pairing.
- Charge Devices: Ensure both headset microphones and the receiver are fully charged before first use. Refer to Section 6 for charging instructions.
- Connect Receiver:
- For devices with a 3.5mm microphone input jack (e.g., voice amplifier, some PA systems), plug the receiver directly into the jack.
- For devices with a 6.35mm microphone input jack (e.g., karaoke machine, large power speakers, audio mixer), attach the provided 6.35mm adapter to the receiver's 3.5mm jack, then plug the adapter into the device.
- Power On: Turn on the power switches for both the receiver and the headset microphones.
- Automatic Pairing: The blue indicator light on both the receiver and the headset microphones will flash for approximately 2 seconds. Once successfully paired, the indicator lights will stop flashing and remain solid blue. The system is now ready for use.

Image: Illustration of the automatic matching process between the headset microphone and the receiver.

Image: Examples of connecting the receiver directly to a voice amplifier or using the 6.35mm adapter for audio mixers, speakers, and trolley speakers.
5. Operating Instructions
5.1 Using the Headset Microphones
- Place the headset comfortably over your head with the microphone positioned near your mouth for optimal sound capture.
- Ensure the headset is powered on and successfully paired with the receiver.
- Adjust the volume on your connected audio device (PA system, amplifier, etc.) to a suitable level.
5.2 Dual User Operation
This system supports two headset microphones simultaneously with a single receiver. Both headsets will transmit audio to the same receiver, allowing two individuals to speak or perform at the same time. Ensure both headsets are powered on and paired.

Image: Two individuals in a professional setting, each wearing a wireless headset microphone, demonstrating simultaneous use.
5.3 Operating Range
The system offers a stable transmission distance of up to 160 feet (50 meters) in open areas, providing clear and high-fidelity sound quality.
6. Compatibility
The MICVISTA 2.4G Wireless Headset Microphone System is compatible with a wide range of audio devices:
- Portable PA systems
- Karaoke machines
- Voice amplifiers
- Mixers
- Large power speakers
- Multimedia speakers (e.g., classroom speakers)
- Bus speakers
- Amplifier equipment
Important Note:
- This is a 2.4G wireless microphone system, NOT a Bluetooth wireless microphone.
- It is NOT compatible with PCs, iPhones, iPads, Macs, or smartphones.
- It is NOT suitable for Bluetooth speakers with less than 15W power.

Image: A circular diagram illustrating various compatible devices such as voice amplifiers, multimedia speakers, bus speakers, outdoor speakers, trolley speakers, players, and amplifier equipment.

Image: A visual warning indicating that the system is not suitable for Bluetooth speakers with less than 15W power, showing the components and an incompatible speaker.
7. Charging
The headset microphones and receiver are equipped with rechargeable Lithium Ion batteries.
- Charging Time: Approximately 3-4 hours for a full charge.
- Use Time: Approximately 6-8 hours on a full charge.
- Use the provided double USB charging cable to charge both headset microphones and the receiver simultaneously. Connect the USB end to a standard USB power adapter (not included) or a computer USB port.
- The indicator light will typically show charging status (e.g., red while charging, off or blue when fully charged). Refer to the specific indicator behavior in the quick start guide if available.

Image: Diagram illustrating the charging process for the headset microphone and receiver using the included USB cable.
8. Maintenance
- Cleaning: Use a soft, dry cloth to clean the devices. Do not use liquid cleaners or solvents.
- Storage: Store the system in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the batteries frequently. Recharge them regularly, even if not in use for extended periods.
- Handling: Handle the components with care to prevent damage. Avoid dropping or subjecting them to strong impacts.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or low volume |
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| Intermittent sound or static |
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| Receiver indicator light not on |
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| Excessive environmental noise |
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10. Specifications
| Feature | Specification |
|---|---|
| Connectivity Technology | 2.4G Wireless |
| Connector Type | 3.5 mm Jack (with 6.35mm adapter) |
| Microphone Form Factor | Headset Microphone System |
| Power Source | Battery Powered (1 Lithium Ion battery included per unit) |
| Audio Sensitivity | 120 Decibels |
| Signal-to-Noise Ratio | 76 dB |
| Polar Pattern | Unidirectional |
| Item Weight | 3.53 Ounces |
| Material | Plastic |
| Color | Black |
| Manufacturer | MICVISTA |
| UPC | 701807733138 |
11. Safety Information
- Do not expose the device to water or moisture.
- Avoid extreme temperatures and direct sunlight.
- Do not attempt to disassemble or repair the device yourself. Refer all servicing to qualified personnel.
- Keep out of reach of children.
- Dispose of batteries according to local regulations. Do not incinerate.
12. Warranty and Support
For warranty information or technical support, please contact MICVISTA customer service through the retailer where you purchased the product. Please have your model number (B09PFQ99X4) and purchase date available when contacting support.
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