1. Introduction
Thank you for choosing the UpBright 16V AC/DC Adapter. This adapter is designed to provide reliable power to your VIZIO Sound Bar, specifically compatible with models SB2920-D6, SB2920D6, and SB2920-D6C-RB. Please read this manual carefully before use to ensure proper installation and operation.
2. Important Safety Information
- Compatibility: This adapter is designed for 16V VIZIO Sound Bar models only. It is NOT compatible with 5V versions. Verify your device's voltage requirements before connecting.
- Indoor Use Only: Do not expose the adapter to rain, moisture, or extreme temperatures.
- Proper Ventilation: Ensure the adapter has adequate ventilation and is not covered during operation to prevent overheating.
- Avoid Damage: Do not use the adapter if the cord or plug is damaged. Do not attempt to open or repair the adapter.
- Disconnect When Not in Use: Unplug the adapter from the power outlet when not in use for extended periods.
3. Package Contents
Your package should contain the following items:
- UpBright 16V AC/DC Adapter
- Power Cord (integrated)

Image: The UpBright 16V AC/DC Adapter, showing the main unit and the attached power cord with its barrel connector tip.
4. Setup and Connection
Follow these steps to connect your UpBright AC/DC Adapter to your VIZIO Sound Bar:
- Verify Compatibility: Before connecting, ensure your VIZIO Sound Bar requires a 16V DC input. Check the label on your sound bar or its original power adapter.
- Connect to Sound Bar: Insert the barrel connector of the UpBright adapter firmly into the 'DC IN' port on the back of your VIZIO Sound Bar.
- Connect to Power Outlet: Plug the AC end of the adapter into a standard 100-240VAC 50/60Hz wall outlet.
- Power On: Once connected, your sound bar should receive power. You can then power it on using its power button or remote control.

Image: A VIZIO Sound Bar with its rear panel visible, highlighting the 'DC IN' port where the power adapter connects.
5. Operation
The UpBright AC/DC Adapter functions as a direct power source for your VIZIO Sound Bar. Once connected, it continuously supplies the necessary 16V DC power. There are no user-adjustable settings on the adapter itself.
6. Maintenance and Care
- Cleaning: Disconnect the adapter from the power outlet and the sound bar before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: Store the adapter in a cool, dry place when not in use. Avoid wrapping the cord too tightly around the adapter.
- Inspection: Periodically inspect the adapter and cord for any signs of damage, such as cuts, fraying, or bent pins. If damage is found, discontinue use and replace the adapter.
7. Troubleshooting
- No Power to Sound Bar:
- Ensure the adapter is securely plugged into both the sound bar and the wall outlet.
- Check if the wall outlet is functional by plugging in another device.
- Verify that the sound bar's power button is pressed or the remote control is working.
- Confirm that your sound bar is indeed a 16V model and not a 5V model.
- Adapter Overheating:
- Ensure the adapter is in a well-ventilated area and not covered.
- If overheating persists, discontinue use and contact support.
8. Specifications
| Brand | UPBRIGHT |
| Model Number | VIZIO SoundBar SB2920-D6 16V Power |
| Input Voltage | 100-240VAC, 50/60Hz |
| Output Voltage | 16V DC |
| Output Current | 1.5A - 2.25A (1500mA) |
| Maximum Power | 24 Watts (Output Wattage: 36 Watts) |
| Connector Type | Barrel Connector |
| Safety Features | OVP (Over Voltage Protection), OCP (Over Current Protection), SCP (Short Circuit Protection) |
| Certification | CE, CCC, RoHS |
9. Warranty and Support
UpBright products are designed for reliability and performance.
- Warranty: This product comes with a 30-day refund policy and a 24-month exchange warranty.
- Customer Support: For any questions, technical assistance, or warranty claims, please refer to the contact information provided with your purchase or visit the official UpBright website.

Image: Examples of international outlet adapters (AU, EU, UK) and a representation of the UpBright Limited Warranty Certificate.