Introduction
This manual provides essential instructions for the safe and efficient use of your Logitech Universal AC Adapter, specifically designed for Ultimate Ears (UE) Boom series speakers. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
Product Overview
The Logitech Universal AC Adapter is engineered to provide reliable power to your UE Boom speaker. It features a compact design and is built for durability.

Image: Logitech Universal AC Adapter. This is the main power adapter unit.
Setup
Follow these steps to set up and begin charging your UE Boom speaker:
- Connect the Charging Cable: Insert the micro USB end of the charging cable (typically included with your UE Boom speaker or a compatible replacement) into the charging port located at the bottom of your UE Boom speaker. Ensure it is firmly seated.
- Connect the AC Adapter: Plug the USB-A end of the charging cable into the USB port on the Logitech Universal AC Adapter.
- Plug into Power Outlet: Insert the prongs of the AC adapter into a standard wall power outlet.
- Verify Charging: Your UE Boom speaker should indicate that it is charging, often with an LED light or an audible notification.
Video: This video demonstrates the connection of a compatible charging cable and adapter to a UE Boom speaker and how to check the charge level. Note that the cable and adapter shown in the video may differ visually from your specific Logitech product.
Operation
Once connected, the adapter will automatically begin charging your UE Boom speaker. To check the battery level of your speaker:
- Press the volume up (+) and volume down (-) buttons on your UE Boom speaker simultaneously. The speaker will audibly announce its current battery percentage.
Maintenance
To ensure the longevity and safe operation of your Logitech Universal AC Adapter:
- Keep the adapter and cable clean and dry. Avoid exposure to liquids.
- Do not expose the adapter to extreme temperatures.
- Avoid bending or twisting the cable excessively, especially near the connectors, to prevent internal damage.
- Always unplug the adapter from the wall outlet when not in use for extended periods.
Troubleshooting
If your UE Boom speaker is not charging:
- Check Connections: Ensure both ends of the charging cable are securely plugged into the speaker and the AC adapter. Verify the AC adapter is firmly plugged into a working wall outlet.
- Try a Different Outlet: Test the adapter in a different wall outlet to rule out an issue with the power source.
- Inspect Cable/Adapter: Look for any visible damage to the charging cable or the AC adapter. If damage is found, discontinue use and replace the component.
- Speaker Status: Ensure your UE Boom speaker is powered on or in a state that allows charging.
Specifications
| Feature | Detail |
|---|---|
| Brand | Logitech |
| Model Number | FBA_759965 |
| Item Weight | 3.84 ounces |
| Package Dimensions | 7.99 x 7.83 x 1.77 inches |
| Connector Type | Barrel Connector (for adapter output to cable) |
| Compatible Devices | UE Boom Speakers |
| Special Feature | Fast Charging |
| Input Voltage | 240 Volts |
| Wattage | 5 watts |
| Output Current | 1 Amps |
| Material | Plastic |
Warranty & Support
Information regarding specific warranty terms and customer support contacts for this product is not provided in the available data. Please refer to the product packaging or the official Logitech website for detailed warranty information and support options.





