1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Weeryyi 900S-RX Wireless HDMI Receiver. Please read this manual thoroughly before using the device to ensure proper functionality and to maximize its performance. The 900S-RX is designed to receive high-definition video and audio signals wirelessly from a compatible Weeryyi HDMI Transmitter.
2. Product Overview
2.1. Package Contents
Upon opening the package, verify that all items listed below are present and in good condition:
- Weeryyi 900S-RX Receiver Unit
- USB-A to USB-C Charging Cable
- 5V/2A Power Adapter
- User Manual (this document)

Figure 2.1: Contents of the Weeryyi 900S-RX package. Includes the receiver, charging cable, power adapter, and user manual.
2.2. Receiver Unit Features
The Weeryyi 900S-RX Wireless HDMI Receiver is equipped with the following features:
- Wireless Transmission: Supports 2.4GHz & 5.8GHz dual-band transmission for stable signal reception.
- Full HD Output: Delivers 1920x1080@60Hz resolution.
- Low Latency: Designed for minimal delay in video and audio transmission.
- Audio Separation: Allows monitoring of live sound via an AMS port.
- IR Remote Control Extender: Supports 20-60 KHz for remote control functionality.
- Multiple Power Options: Can be powered via USB-C 5V/2A adapter (included), USB-C power bank, or NP-F series batteries (not included).

Figure 2.2: Front view of the Weeryyi 900S-RX Wireless HDMI Receiver, showing its compact design and antenna ports.

Figure 2.3: Illustration of the triple power supply options for the Weeryyi 900S-RX: USB-C power bank, NP-F series battery, and USB-C 5V/2A adapter.

Figure 2.4: Overview of the Weeryyi Wireless HDMI system's transmission capabilities, highlighting low latency, dual-band frequency, 1080P HD image, and up to 820ft line-of-sight range.
3. Setup Instructions
Follow these steps to set up your Weeryyi 900S-RX Receiver and establish a wireless connection with a compatible transmitter.
3.1. Connecting the Receiver
- Power On: Connect the Weeryyi 900S-RX Receiver to a power source using the provided 5V/2A adapter and USB-C cable. Ensure the red indicator light is continuously on.
- HDMI Connection: Connect the "HD OUT" port of the receiver to the "HD IN" port of your display device (e.g., TV, monitor, projector) using an HDMI cable.
- Transmitter Connection: Ensure your Weeryyi Wireless HDMI Transmitter (sold separately, e.g., model B0BYJ1RGB4) is also powered on and connected to your video source.

Figure 3.1: Visual guide for connecting the transmitter (TX) and receiver (RX) units to power and display devices, and the pairing process.
3.2. Pairing Process
The receiver and transmitter should automatically pair. If pairing does not occur:
- Ensure both the transmitter and receiver are powered on.
- Press and hold the reset button on both the transmitter and receiver simultaneously for approximately 2 seconds.
- Release the buttons. The green light on the transmitter will flash when pairing is successful.
- Once paired, the display connected to the receiver should show the video signal from the transmitter's source.

Figure 3.2: Close-up of the power indicator lights and power switch button on the Weeryyi receiver unit.

Figure 3.3: The Weeryyi 900S-RX Receiver with an NP-F series battery attached, demonstrating a portable power solution.
4. Operating Instructions
4.1. Basic Operation
Once the receiver and transmitter are paired and connected, the video and audio signals will be transmitted wirelessly to your display. The system supports 1 transmitter (TX) to up to 4 receivers (RXs).

Figure 4.1: Diagram illustrating the capability of the Weeryyi system to connect one transmitter to multiple receivers for expanded monitoring.

Figure 4.2: The Weeryyi receiver unit compatible with various HDMI devices such as TVs, monitors, and projectors.
4.2. Audio Monitoring
The receiver features an AMS port for audio separation. You can plug headphones into this port to monitor the live audio signal being received.

Figure 4.3: Detailed view of the audio input on the transmitter and the audio separation (monitoring) feature on the receiver, allowing for live sound monitoring.
4.3. IR Remote Control Extender
The 900S-RX supports IR remote control extension (20-60 KHz). This feature allows you to control the source device (e.g., a set-top box or DVD player connected to the transmitter) from the location of the receiver, provided an IR emitter is connected to the transmitter and an IR receiver is connected to the receiver unit.

Figure 4.4: Illustration of how the IR remote control extender allows control of the source device from the receiver's location, enhancing convenience.
4.4. Application Scenarios
The Weeryyi 900S-RX Wireless HDMI Receiver is suitable for a wide range of applications, including:
- Live Broadcasting
- Indie Filmmaking
- Sports Activities
- Education Recording
- Wedding Ceremonies
- Corporate Events

Figure 4.5: Visual representation of various environments where the Weeryyi Wireless HDMI system can be effectively used, such as live streaming, meetings, and film production.
5. Maintenance
To ensure the longevity and optimal performance of your Weeryyi 900S-RX Receiver, please observe the following maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Avoid using liquid cleaners or solvents.
- Storage: Store the receiver in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Power Supply: Always use the provided power adapter or a compatible 5V/2A USB-C power source. Using incompatible chargers may damage the device.
- Handling: Handle the device with care. Avoid dropping or subjecting it to strong impacts.
6. Troubleshooting
If you encounter issues with your Weeryyi 900S-RX Receiver, refer to the following troubleshooting tips:
| Problem | Possible Cause | Solution |
|---|---|---|
| No video signal on display |
|
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| Signal drops or unstable connection |
|
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| No audio |
|
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7. Specifications
Technical specifications for the Weeryyi 900S-RX Wireless HDMI Receiver:
| Feature | Detail |
|---|---|
| Model Number | 900S-RX |
| Connectivity Technology | HDMI (Wireless) |
| Video Encoding | H.264 |
| Resolution Support | Up to 1920x1080@60Hz |
| Wireless Frequency | 2.4GHz & 5.8GHz Dual-Band |
| Transmission Range (Line of Sight) |
|
| Latency | Low latency (typically <0.05s) |
| Audio Output Mode | Stereo |
| Surround Sound Channel Configuration | 2.0 |
| Compatible Devices | Laptop, Television, Monitor, Personal Computer, Projector, TV, STB |
| Power Input | USB-C 5V/2A (supports power bank, NP-F batteries) |
| Item Weight | 12.6 ounces (approx. 357 grams) |
| Dimensions | 7.01 x 4.92 x 2.48 inches (approx. 17.8 x 12.5 x 6.3 cm) |
8. Warranty and Support
The Weeryyi 900S-RX Wireless HDMI Receiver comes with a 1-year limited warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use.
For technical support, warranty claims, or any questions regarding your product, please contact Weeryyi customer service. We aim to reply to all inquiries within 24 hours.
You can typically find contact information on the product packaging or through the retailer where you purchased the device. For Amazon purchases, you can click on the seller's name in the buy box and select "Ask a Question."





