YMOO 3 IN 1
YMOO 3 in 1 2.4Ghz Wireless Audio Transmitter and Receiver
User Manual
1. Introduction
The YMOO 3 in 1 Wireless Audio Transmitter and Receiver kit provides a high-fidelity, ultra-low latency solution for wirelessly transmitting audio from your source device to two separate active speakers or soundbars. Utilizing 2.4GHz technology, this system ensures stable, clear, and synchronized audio transmission over long distances, eliminating the need for messy cables.
Key features include:
- 1 Transmitter to 2 Receivers: Connects one audio source to two independent speakers simultaneously.
- 2.4GHz Wireless Technology: Ensures stable and interference-free audio transmission.
- Ultra-Low Latency (less than 20ms): Provides perfect audio-video synchronization, ideal for TV and gaming.
- 192kHz/24bit HiFi Audio: Delivers high-quality sound, comparable to or exceeding CD quality.
- Extended Range: Up to 320 feet (100m) in open areas and 60 feet (15-20m) through one or two walls.
- Wide Compatibility: Equipped with 3.5mm and RCA jacks for broad connectivity with various audio devices.

Image 1.1: Overview of the YMOO 3 in 1 Wireless Audio System highlighting 2.4GHz, 20ms low latency, 100m wireless distance, and Hi-Fi stereo sound capabilities.
2. Package Contents
Please verify that all items are present in your package:
- 1 x YMOO Wireless Audio Transmitter
- 2 x YMOO Wireless Audio Receivers
- 1 x RCA to 3.5mm Audio Cable
- 1 x RCA to RCA Cable
- 3 x USB Power Cables

Image 2.1: The YMOO Wireless Audio Transmitter and two Receiver units, showcasing their compact design and external antennas.
3. Product Overview
The YMOO wireless audio system consists of one transmitter and two receivers. Each unit is designed for ease of use and robust performance.
3.1. Transmitter Unit
The transmitter unit features an audio input (RCA and 3.5mm) to connect to your source device (e.g., TV, PC, DVD player). It wirelessly sends the audio signal to the paired receiver units.
3.2. Receiver Units
Each receiver unit features an audio output (RCA and 3.5mm) to connect to your active speakers or soundbars. They receive the wireless audio signal from the transmitter and output it to your audio playback devices.

Image 3.1: An example setup showing the YMOO transmitter connected to a TV and two receivers connected to separate speakers, illustrating the wireless audio distribution.

Image 3.2: Close-up of a YMOO receiver unit, emphasizing its durable all-metal shell construction.
4. Setup Guide
Follow these steps to set up your YMOO wireless audio system:
- Connect the Transmitter:
Connect the YMOO Transmitter to your audio source (e.g., TV, PC, DVD player) using either the provided RCA to 3.5mm audio cable or the RCA to RCA cable. Ensure the cable is securely plugged into the "Audio In" ports on the transmitter and the corresponding audio output ports on your source device.
- Power On the Transmitter:
Connect one of the USB power cables to the DC 5V port on the Transmitter and plug the other end into a USB power adapter (not included) or a USB port on your source device (if available and provides sufficient power). The transmitter will power on automatically.
- Connect the Receivers:
Connect each YMOO Receiver to your active speakers or soundbars using the appropriate audio cables (RCA or 3.5mm). Ensure the cables are securely plugged into the "Audio Out" ports on the receivers and the audio input ports on your speakers.
- Power On the Receivers:
Connect the remaining USB power cables to the DC 5V ports on each Receiver and plug the other ends into USB power adapters or available USB ports. The receivers will power on automatically.
- Automatic Pairing:
The wireless transmitter and receivers are designed to automatically pair with each other within seconds of being powered on. Once paired, the indicator lights on the units will confirm connection.

Image 4.1: Step-by-step diagram illustrating the plug-and-play setup process for the YMOO wireless audio transmitter and receiver system.
5. Operating Instructions
Once setup is complete and the units are paired, the YMOO wireless audio system operates automatically.
5.1. Audio Playback
Begin playing audio from your source device. The sound will be wirelessly transmitted to both connected receiver units and played through your active speakers or soundbars. Adjust the volume directly on your source device or the connected speakers.
5.2. High-Fidelity Audio
The system supports 24bit/192kHz sampling rate, providing a high-quality audio experience with minimal delay (less than 20ms). This ensures that audio is clear, stable, noise-free, and perfectly synchronized with any video content.

Image 5.1: A user enjoying high-fidelity audio, demonstrating the system's capability to deliver 24bit/192kHz sound quality.
5.3. Extended Range Performance
The 2.4GHz technology allows for a wireless range of up to 320 feet (100m) in open environments. Even with obstacles like walls, the system can maintain a strong connection up to 60 feet (15-20m) through one or two walls, providing flexibility in speaker placement throughout your home or office.

Image 5.2: Illustration of the dual extended long-range capability of the YMOO system, showing its use in a large meeting room setting.
5.4. Wide Application Scenarios
This wireless audio system is suitable for various applications, including:
- Home Theater: Wirelessly connect rear or surround speakers.
- Meetings/Conferences: Distribute audio to multiple speakers in a large room.
- Education: Provide audio in classrooms or lecture halls.
- Fitness/Sport: Enjoy audio during workouts without cable clutter.

Image 5.3: Visual examples of the YMOO wireless audio system's versatility across different environments such as meetings, educational settings, home theaters, and sports activities.
6. Maintenance
To ensure the longevity and optimal performance of your YMOO wireless audio system, please follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the units. Do not use liquid cleaners or aerosol sprays.
- Storage: Store the units in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Handling: Handle the units with care. Avoid dropping or subjecting them to strong impacts, as they contain sensitive electronic components.
- Ventilation: Ensure proper ventilation around the units during operation to prevent overheating.
7. Troubleshooting
If you encounter issues with your YMOO wireless audio system, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speakers. |
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| Audio cutting out or static. |
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| Noticeable audio delay (latency). |
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| Not suitable for subwoofers/rear speakers/passive speakers/surround sound systems. |
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8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 3 IN 1 |
| Brand | YMOO |
| Connectivity Technology | 2.4GHz Wireless, AUX, RCA |
| Audio Quality | 192kHz/24bit HiFi |
| Latency | Less than 20ms |
| Wireless Range (Open Area) | Up to 320 feet (100m) |
| Wireless Range (Through Walls) | Up to 60 feet (15-20m) through 1-2 walls |
| Power Source | Corded Electric (DC 5V via USB) |
| Product Dimensions | 3.96 x 0.93 x 4.84 inches (each unit, approximate) |
| Item Weight | 1.79 pounds (total package) |
| Special Feature | Low Latency |

Image 8.1: Size reference for the YMOO Transmitter and Receiver units, showing exterior measurements and weight.
9. Safety Information
Please read and adhere to the following safety guidelines:
- Battery disposal should be done according to local regulations.
- Avoid exposing the device to extreme temperatures, direct sunlight, or high humidity.
- This device may interfere with other wireless devices operating on the 2.4GHz frequency band. Maintain adequate separation to minimize interference.
- Do not attempt to disassemble, repair, or modify the device. This may void the warranty and pose safety risks.
- Use only the provided cables and recommended power adapters (DC 5V) to prevent damage.
10. Warranty and Support
10.1. Warranty Information
YMOO products typically come with a limited manufacturer's warranty. Please refer to the product packaging or contact YMOO customer support for specific warranty terms and conditions.
10.2. Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact YMOO customer support:
- Email: support@ymoox.com
- Website: www.ymoox.com
When contacting support, please have your product model number (3 IN 1) and purchase details ready.
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