Introduction
The MAONO AU-100R is a rechargeable omnidirectional condenser lavalier microphone designed for high-quality audio recording. It features a 360-degree sound pickup, a 6-meter (20-foot) shielded cable, and a built-in rechargeable battery for extended use. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your AU-100R microphone.
Package Contents
Please verify that all items listed below are included in your package:
- 1x MAONO AU-100R Lavalier Microphone (with 236-inch / 6-meter cable)
- 1x 3.5mm to 6.5mm Adapter
- 1x Metal Clip
- 1x Wind Muff (foam windscreen)
- 1x Micro USB Charging Cable
- 1x User Manual
- 1x Pouch

Figure 1: MAONO AU-100R Package Contents
Setup
- Attach the Clip: Secure the metal clip to the microphone unit. This allows you to easily attach the microphone to your clothing.
- Attach the Wind Muff: Gently place the foam wind muff over the microphone capsule. This helps reduce plosives and wind noise during recording.
- Connect to Device:
- For Smartphones/Tablets (3.5mm TRRS jack): Plug the 3.5mm TRRS connector directly into your device's headphone/microphone jack. Slide the switch on the microphone's control unit to the "OFF/Smartphone" position.
- For Cameras/Camcorders/PCs (3.5mm TRS jack): Plug the 3.5mm TRRS connector into your device's microphone input. Slide the switch on the microphone's control unit to the "ON/Other" position.
- For Audio Mixers/Professional Audio Devices (6.5mm jack): Attach the included 3.5mm to 6.5mm adapter to the microphone's 3.5mm TRRS connector, then plug it into your audio device. Slide the switch on the microphone's control unit to the "ON/Other" position.
- Note for iPhone 7 and later models: These devices typically require an original Apple Lightning to 3.5mm Headphone Jack Adapter (not included) for connection.

Figure 2: Device Compatibility and Connection Methods

Figure 3: Microphone Control Unit and Wide Compatibility Overview
Operating Instructions
The MAONO AU-100R features a simple switch for mode selection and an LED indicator for battery status.
- Power On/Off and Mode Selection:
- Slide the switch to "OFF/Smartphone" when connecting to smartphones or tablets. In this mode, the microphone draws power from the connected device.
- Slide the switch to "ON/Other" when connecting to cameras, camcorders, PCs, or audio mixers. In this mode, the microphone uses its internal rechargeable battery.
- LED Indicator: The LED provides visual feedback on battery status.
- When the switch is moved to "ON", the LED will light up for 1 second:
- Green: Battery capacity is 20% or higher.
- Red: Battery capacity is below 20%.
- When charging, the LED will light White. It will turn off once fully charged.
- When the switch is moved to "ON", the LED will light up for 1 second:

Figure 4: LED Indicator for Battery Status
Video 1: Official MAONO AU-100R Lavalier Microphone Overview. This video provides a visual guide to the microphone's features and basic operation.
Charging Instructions
The MAONO AU-100R features a built-in rechargeable battery for convenient use with cameras and other devices.
- Connect Charger: Use the provided Micro USB charging cable to connect the microphone's control unit to a USB power source (e.g., computer USB port, USB wall adapter).
- Charging Indicator: The LED indicator on the control unit will light White while charging.
- Full Charge: The LED indicator will turn off once the battery is fully charged. A full charge typically takes approximately 1.5 hours.
- Battery Life: A fully charged battery provides up to 90 hours of working time.

Figure 5: Charging the MAONO AU-100R Microphone
Maintenance
Proper maintenance ensures the longevity and optimal performance of your microphone.
- Cleaning: Gently wipe the microphone body and cable with a soft, dry cloth. Do not use liquid cleaners or solvents.
- Storage: Store the microphone in its included pouch when not in use to protect it from dust and physical damage.
- Environmental Conditions: Avoid exposing the microphone to extreme temperatures, high humidity, or direct sunlight. Keep it away from water and other liquids.
- Cable Care: Do not sharply bend or pull the cable. Coil it loosely for storage.
Troubleshooting
If you encounter issues with your MAONO AU-100R microphone, please refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or low volume |
|
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| Poor sound quality (static, hum, muffled) |
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| LED not lighting up |
|
|

Figure 6: Internal Design for Noise Reduction
Specifications
| Feature | Detail |
|---|---|
| Model Number | AU-100R |
| Brand | MAONO |
| Microphone Form Factor | Lavalier |
| Polar Pattern | Omnidirectional |
| Connectivity Technology | Auxiliary (3.5mm Jack) |
| Power Source | Battery Powered (Rechargeable Lithium Polymer) |
| Battery Life | Up to 90 hours |
| Audio Sensitivity | 120 Decibels |
| Signal-to-Noise Ratio | 74 dB |
| Cable Length | 236.22 inches (approx. 6 meters) |
| Item Weight | 60 Grams |
| Compatible Devices | Amplifier, Camera, Personal Computer, Smartphone, Tablet |
| Material | Alloy Steel |
| UPC | 840079600127 |
Warranty and Support
The MAONO AU-100R Lavalier Microphone comes with a 12-Month Warranty from the date of purchase. This warranty covers manufacturing defects and ensures product quality.
For any product or usage issues, please contact MAONO customer support. Our team is dedicated to providing assistance and ensuring a satisfactory user experience.
You can find more information and support on the official MAONO store page: MAONO Store