1. Introduction
The Xvive U2 Guitar Wireless System provides a reliable and high-quality wireless connection for your musical instruments. Operating on the 2.4GHz band, it offers uncompressed digital signal transmission with low noise and minimal latency, suitable for various performance and practice environments. This manual provides instructions for the proper setup, operation, and maintenance of your U2 wireless system.

Figure 1.1: The Xvive U2 Guitar Wireless System, featuring both the transmitter and receiver units in carbon finish.
2. Key Features
- 2.4GHz Digital Transmission: Provides uncompressed, low-noise, and low-latency audio.
- Ultra-Low Latency: Less than 5ms delay for real-time performance.
- Extended Range: Effective operating range of approximately 90 feet (27 meters) outdoors, line-of-sight.
- Multiple Channels: Supports simultaneous broadcasts on 4 selectable channels to prevent interference.
- Rechargeable Battery: Built-in lithium battery offers up to 5 hours of continuous use on a full charge.
- Flexible Design: 220° rotatable plug for compatibility with various instrument jack placements.
- Broad Compatibility: Suitable for most electric guitars, bass, keyboards, and other electronic musical instruments with a 1/4-inch output.

Figure 2.1: Overview of the Xvive U2 system's technical specifications, including audio frequency response, working range, dynamic range, battery life, and delay time.
3. Setup Instructions
3.1 Package Contents
Before proceeding, ensure all components are present:
- 1 x Xvive U2 Transmitter Unit
- 1 x Xvive U2 Receiver Unit
- 1 x USB Charging Cable
- User Manual (this document)
3.2 Initial Charging
It is recommended to fully charge both the transmitter and receiver units before first use. Connect the included USB charging cable to both units and a standard USB power adapter (not included). The charging indicator light will illuminate during charging and turn off when fully charged. A full charge typically takes approximately 2 hours.
3.3 Connecting the Units
- Connect Transmitter: Plug the transmitter unit into your instrument's 1/4-inch output jack. Adjust the 220° rotatable plug for optimal fit and comfort.
- Connect Receiver: Plug the receiver unit into the input of your amplifier, pedalboard, or audio interface.
- Power On: Turn on both the transmitter and receiver units by sliding their respective power switches to the "ON" position.
- Channel Pairing: The units will automatically attempt to pair. If they do not connect, or if you experience interference, you may need to manually select a channel. See Section 4.2 for channel selection.

Figure 3.1: Diagram illustrating the connection of the Xvive U2 transmitter to an instrument and the receiver to an amplifier or pedalboard.

Figure 3.2: A close-up view of the Xvive U2 transmitter connected to a guitar, highlighting its compact design and rotatable plug.
4. Operating Instructions
4.1 Basic Operation
Once both units are powered on and paired, the system is ready for use. The audio signal from your instrument will be wirelessly transmitted to your amplifier or audio device. Ensure your instrument's volume is set appropriately.

Figure 4.1: The Xvive U2 transmitter connected to an electric guitar during use.
4.2 Channel Selection
The Xvive U2 system offers 4 channels to minimize interference. If you experience signal drops or unwanted noise, change the operating channel:
- Press the "Channel" button on both the transmitter and receiver units simultaneously.
- The channel indicator lights will change, cycling through channels 1-4.
- Select the same channel on both units. The units will automatically re-pair on the new channel.
- Test the connection. If interference persists, try another channel.
It is recommended to select a channel that is not heavily used by other 2.4GHz devices (e.g., Wi-Fi routers) in your immediate vicinity.

Figure 4.2: The Xvive U2 system allows for wireless instrument use, demonstrating its effective range in an open environment.
5. Charging the Battery
The Xvive U2 units are equipped with built-in rechargeable lithium-ion batteries. A full charge provides up to 5 hours of continuous operation.
5.1 Charging Procedure
- Turn off both the transmitter and receiver units.
- Connect the included USB charging cable to the micro-USB port on each unit.
- Connect the other end of the USB cable to a standard USB power source (e.g., computer USB port, USB wall adapter, power bank).
- The charging indicator light will be red during charging. It will turn off when the battery is fully charged.
Note: Avoid using fast chargers or chargers with voltage exceeding 5V to prevent damage to the battery.
6. Maintenance and Care
- 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.
- Battery Care: To prolong battery life, avoid fully discharging the units frequently. If storing for extended periods, charge the batteries to approximately 50% every few months.
- Handling: Handle the units with care. Avoid dropping them or subjecting them to strong impacts.
- Moisture: Keep the units away from water and high humidity.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or intermittent signal. |
|
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| Humming or static noise. |
|
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| Short battery life. |
|
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8. Technical Specifications
| Parameter | Value |
|---|---|
| Operating Frequency Band | 2.4GHz ISM worldwide |
| Audio Frequency Response | 20Hz - 20kHz (-3dB) |
| Dynamic Range | 103dB |
| Latency | Less than 5ms |
| Working Range | Up to 90 feet (27 meters) outdoors, line-of-sight |
| Channels | 4 selectable channels |
| Battery Type | Built-in Rechargeable Lithium-Ion |
| Battery Life | Up to 5 hours (continuous use) |
| Charging Port | Micro-USB |
| Plug Type | 1/4-inch (6.35mm) mono, 220° rotatable |
| Material | Aluminum |
| Item Weight (each unit) | Approximately 4.45 ounces (126 grams) |
| Dimensions (each unit) | Approx. 2.95 x 1.57 x 0.79 inches (7.5 x 4 x 2 cm) |
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Xvive website or contact your local distributor. Keep your purchase receipt as proof of purchase for warranty claims.
Manufacturer: Xvive Audio
Website: www.xviveaudio.com







