1Mii M2
1Mii M2 Wireless Guitar Transmitter Receiver User Manual
Model: M2 | Brand: 1Mii
1. Introduction
The 1Mii M2 Wireless Guitar Transmitter Receiver system provides a high-fidelity, low-latency wireless solution for musical instruments. Designed for guitarists, bassists, violinists, and keyboardists, it offers freedom of movement without compromising sound quality.
Key Features:
- Advanced 5.8GHz Wireless Technology for superior signal stability.
- Less than 6.8ms Audio Latency, ensuring no noticeable lag.
- 24-bit 48kHz High-Quality Audio Broadcasting for pristine sound.
- Effective Range of up to 100ft (30 meters) in open space.
- Built-in 1000mAh Rechargeable Battery offering up to 8 hours of working time.
- Plug and Play functionality with automatic pairing.
- Supports 4 Channels with convenient one-key channel changing.
- 190° Rotatable Plug for versatile instrument compatibility.

Image: The 1Mii M2 Wireless Guitar Transmitter and Receiver units, showcasing their compact design and 6.35mm audio plugs.
2. Important Safety Information
Please read and understand all safety warnings before using this product.
- Battery Handling: Improper battery handling may result in damage or injury. Always follow manufacturer instructions for battery use and disposal.
- Interference: Avoid using the device near other wireless devices that operate on the 5.8GHz frequency to prevent potential interference.
- Charging: Do not use the device while it is charging. Disconnect from power source before use.
- Environmental Conditions: Use the device only in appropriate temperature and humidity conditions to ensure optimal performance and safety. Avoid extreme temperatures, direct sunlight, and high humidity.
- Disassembly: Do not attempt to disassemble, repair, or modify the device. This will void the warranty and may cause damage or injury.
3. Package Contents
Verify that all items are present in your package:
- 1Mii M2 Wireless Transmitter
- 1Mii M2 Wireless Receiver
- Dual USB Charging Cable
- User Manual
4. Product Overview
Components:
- 6.35mm Audio Plug: Connects to your instrument (transmitter) or amplifier/pedal (receiver). Features a 190° rotatable design for flexible positioning.
- Power Button: Turns the unit on/off.
- Channel Button: Cycles through the available 4 channels.
- LED Indicators: Display battery level and channel status.
- USB Charging Port: For recharging the internal battery.

Image: Detailed view of the 1Mii M2 Transmitter and Receiver, highlighting the 6.35mm audio plug and control buttons.

Image: Visual representation of the 1Mii M2's battery life, indicating 8 hours of working time after 2 hours of charging.

Image: The 1Mii M2's 190-degree rotatable plug, demonstrating its flexibility for various instrument jack orientations.
5. Setup
The 1Mii M2 system is designed for quick and easy setup:
- Charge the Units: Before first use, fully charge both the transmitter and receiver using the provided dual USB charging cable. The LED indicators will show charging status.
- Connect Transmitter: Plug the 1Mii M2 Transmitter into the output jack of your instrument (e.g., guitar, bass, violin, keyboard). Adjust the 190° rotatable plug for optimal fit.
- Connect Receiver: Plug the 1Mii M2 Receiver into the input jack of your amplifier, effect pedal, stereo mixer, or guitar looper.
- Power On: Press and hold the power button on both the transmitter and receiver until the LED indicators light up.
- Pairing: The units are designed to automatically pair upon power-on. If they do not pair automatically, long press the channel button on both units simultaneously until they connect. The signal indicator LED will become solid.
- Select Channel (Optional): If you experience interference, briefly press the channel button on both the transmitter and receiver to cycle through the 4 available channels until you find a clear signal. Ensure both units are on the same channel.

Image: A diagram illustrating the simple plug-and-play setup, showing the transmitter connected to a guitar and the receiver to an amplifier.

Image: An illustration demonstrating the 5.8GHz wireless transmission range of 100-164 feet between the transmitter and receiver.
6. Operating Instructions
General Use:
- Once connected and paired, the system will transmit your instrument's audio wirelessly to your amplifier or audio device.
- The 5.8GHz frequency band provides a clear signal with minimal interference, ideal for various performance environments.
- The 190° rotatable plug allows for optimal positioning on different instruments, ensuring the unit does not obstruct playing.
Compatibility:
The 1Mii M2 system is widely compatible with a variety of musical instruments and audio equipment:

Image: A visual guide to the wide compatibility of the 1Mii M2 system, showing it can be used with various instruments like bass, guitar, violin, and keyboard, and connected to amplifiers, effect pedals, stereo mixers, and guitar loopers.
Product Video:
Video: An official product video from 1Mii showcasing the features and functionality of the M2 Wireless Guitar Transmitter Receiver, including its plug-and-play setup, low latency, and wide compatibility.
7. Maintenance
Charging:
- The built-in 1000mAh lithium battery provides approximately 8 hours of continuous use on a full charge.
- A full charge typically takes about 2 hours using the provided dual USB cable.
- Charge the units when the battery indicator LEDs show a low charge (e.g., 25% battery level).
- It is recommended to charge the units immediately after use to ensure they are ready for your next session, as some users have reported battery drain when left unused for several days.
Cleaning:
- Wipe the units with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
Storage:
- Store the units in a cool, dry place away from direct sunlight and extreme temperatures.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or intermittent signal |
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| Excessive noise or static |
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| Short battery life |
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| Units not turning on |
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9. Specifications
| Feature | Detail |
|---|---|
| Model Number | M2 |
| Wireless Communication Standard | 5.8 GHz Radio Frequency |
| Audio Quality | 24-bit / 48 kHz HiFi Sound |
| Latency | Less than 6.8ms |
| Transmission Range | Up to 100ft (30 meters) in open space |
| Channels | 4 Channels |
| Battery Type | 2 Lithium Polymer batteries (included) |
| Battery Capacity | 1000mAh (each unit) |
| Working Time | Up to 8 hours |
| Charging Time | Approx. 2 hours |
| Connectivity | 1/4 inch (6.35mm) TS (Tip-Sleeve) Plug |
| Item Weight | 6.4 ounces |
| Package Dimensions | 4.88 x 4.17 x 1.34 inches |
10. Warranty and Support
For warranty information or technical support, please refer to the warranty card included in your package or visit the official 1Mii website. You may also contact the seller directly through your purchase platform for assistance.
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