1. Introduction
This instruction manual provides detailed information on the setup, operation, and maintenance of your lotmusic 2.4GHz Wireless Guitar System. This system is designed to provide a reliable and high-quality wireless connection for your electric guitar, bass, and other compatible electronic musical instruments, offering freedom of movement without compromising sound quality.
2. Package Contents
Please ensure all items listed below are included in your package:
- 1 x Wireless Transmitter Unit
- 1 x Wireless Receiver Unit
- 1 x Dual-head USB Charging Cable
- 1 x User Manual (this document)
- Guitar Picks (bonus item)

Image: The wireless transmitter and receiver units, along with the dual-head USB charging cable.
3. Product Features
- Simultaneous Operation: Supports up to 4 sets of devices working simultaneously without interference. One transmitter can also transmit a signal to multiple receivers.
- High-Fidelity Sound: Crystal-clear sampling at a frequency range spanning 10Hz to 22kHz, capturing subtle nuances.
- Stable Transmission: Utilizes a 2.4GHz chip for uncompressed signal transmission, ensuring low noise, low latency (<5ms), and an effective range of approximately 20 meters (65 feet).
- Versatile Design: Features a 270° rotatable plug design, making it suitable for various electronic musical instruments with a 6.35mm (1/4 inch) jack.
- Long Battery Endurance: Built-in rechargeable lithium battery provides over 10 hours of working time after a 1.5-hour charge. A USB cable is included for convenient recharging.

Image: High-quality chips ensure pure sound with minimal interference, low latency, and a wide frequency response.

Image: The system supports simultaneous broadcasts on 4 channels, allowing one-to-one or one-to-many connections.
4. Setup Instructions
- Charge the Units: Before first use, fully charge both the transmitter and receiver units using the provided dual-head USB charging cable. The indicator lights will show charging status.
- Power On: Slide the power switch on both the transmitter and receiver units to the 'ON' position.
- Pairing: The units are pre-paired from the factory. If re-pairing is needed, long-press the 'Pair' button on both units simultaneously until the indicator lights confirm connection.
- Connect Transmitter: Plug the transmitter unit into your instrument's 6.35mm (1/4 inch) output jack. Adjust the rotatable plug for optimal fit.
- Connect Receiver: Plug the receiver unit into your amplifier's 6.35mm (1/4 inch) input jack.

Image: The transmitter unit connected to an electric guitar's output jack.

Image: The receiver unit connected to a guitar amplifier's input jack.
Video: A demonstration of the lotmusic 2.4GHz Wireless Guitar System setup and basic functionality.
5. Operating Instructions
Once both units are powered on and paired, they will automatically establish a connection. The indicator lights on each unit provide information about their status:
- Battery Indicator: Four small lights indicate the battery level. Four lights mean 100%, three lights 75%, two lights 50%, and one light indicates approximately 20% remaining charge, signaling it's time to recharge.
- Connection Status: A solid blue light typically indicates a successful connection. Blinking lights may indicate searching for a signal or low battery.
- Range: The system offers an effective transmission range of up to 20 meters (65 feet) indoors. Optimal performance is achieved within this range.
To turn off the units, simply slide the power switch to the 'OFF' position. This will conserve battery life when not in use.
6. Charging
The wireless system features a built-in rechargeable lithium battery. Use the provided dual-head USB charging cable to charge both the transmitter and receiver simultaneously.
- Charging Time: Approximately 1.5 hours for a full charge.
- Working Time: Over 10 hours of continuous use on a full charge.
- Charging Indicator: Lights will typically illuminate or blink during charging and turn solid or off when fully charged. Refer to the specific light behavior for your model.

Image: The dual-head USB cable allows both the transmitter and receiver to be charged at the same time.
7. Compatibility
The lotmusic 2.4GHz Wireless Guitar System is designed for broad compatibility with various electronic musical instruments:
- Instrument Jack: Compatible with all electronic musical instruments featuring a standard 6.35mm (1/4 inch) jack.
- Rotatable Plug: The 270° rotatable plug ensures a secure and comfortable fit for different instrument body shapes and jack placements, including electric guitars, bass guitars, and some keyboards.
- Applications: Can be used with guitar amplifiers, audio mixers, and effect pedals.

Image: The wireless system is compatible with a wide range of musical instruments and audio equipment.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | WYD802535 |
| Wireless Band | 2.4GHz |
| Effective Range | Approx. 20 meters (65 feet) |
| Frequency Response | 10Hz - 22kHz |
| Latency | < 5ms |
| Battery Type | Rechargeable Lithium Battery |
| Charging Time | Approx. 1.5 hours |
| Working Time | Over 10 hours |
| Item Weight | 5.6 ounces |
| Package Dimensions | 7.52 x 4.69 x 1.54 inches |
9. Troubleshooting
- No Sound:
- Ensure both transmitter and receiver are powered on.
- Verify both units are properly paired (solid blue indicator lights). If not, re-pair them.
- Check instrument and amplifier volume levels.
- Ensure units are fully charged.
- Interference/Noise:
- Move away from other 2.4GHz devices (Wi-Fi routers, other wireless systems).
- Ensure units are within the effective range (approx. 20 meters).
- Try re-pairing the units to reset the connection.
- Connection Drops:
- Check battery levels; low battery can cause unstable connections.
- Ensure no physical obstructions are blocking the signal path.
- Avoid exceeding the maximum effective range.
10. Maintenance
- Cleaning: Use a soft, dry cloth to clean the units. Do not use liquid cleaners or solvents.
- Storage: Store the units in a cool, dry place away from direct sunlight and extreme temperatures. Use the provided carrying case for protection.
- Battery Care: For optimal battery life, avoid fully discharging the units frequently. Recharge them when the indicator shows low battery.
11. Warranty & Support
Your lotmusic 2.4GHz Wireless Guitar System comes with a 3-year warranty. For any product-related inquiries, technical assistance, or warranty claims, please contact our customer support team. We offer 24/7 customer support to ensure your satisfaction.
Please refer to your purchase documentation for specific contact details or visit the official lotmusic website for more information.