Model: ACS4311 | Brand: AOC
This manual provides essential information for the safe and efficient operation of your AOC ACS4311 Portable Bluetooth Speaker. Please read it thoroughly before use and retain it for future reference.

Image showing the AOC ACS4311 speaker, user manual, and USB-C charging cable included in the box.
Familiarize yourself with the speaker's components.

AOC ACS4311 Portable Bluetooth Speaker, front view.

Top view of the AOC ACS4311 speaker, highlighting the microphone and handle strap attachment point.

Side view of the AOC ACS4311 speaker, showing the USB-C charging port.
Before first use, fully charge the speaker.
To achieve a wider, more immersive sound experience, you can pair two AOC ACS4311 speakers together.
Diagram illustrating the True Wireless Stereo (TWS) pairing process between two AOC ACS4311 speakers.
The built-in microphone allows for hands-free communication when connected to a smartphone.

Image depicting the AOC ACS4311 speaker next to a smartphone, indicating its built-in microphone for clear calls.
Use a soft, dry cloth to clean the speaker. Do not use abrasive cleaners or solvents.
The AOC ACS4311 speaker is rated IP67, meaning it is protected against dust ingress and can withstand immersion in water up to 1 meter for up to 30 minutes.

The AOC ACS4311 speaker on a rock with waves splashing, demonstrating its IP67 waterproof capability.
| Problem | Solution |
|---|---|
| Speaker does not power on. | Ensure the battery is charged. Connect the speaker to a power source using the USB-C cable. |
| Cannot pair via Bluetooth. | Ensure the speaker is in pairing mode (indicator light flashing). Turn off and on Bluetooth on your device. Move the speaker closer to your device. |
| No sound or low volume. | Adjust the volume on both the speaker and your connected device. Ensure the speaker is not muted. |
| TWS pairing fails. | Ensure both speakers are not connected to any other Bluetooth device. Repeat the TWS pairing steps carefully. |

Image displaying the dimensions of the AOC ACS4311 speaker (4.5in x 3.35in x 1.77in) and its weight (0.81lb).
This product comes with a limited warranty provided by AOC. For detailed warranty information, product support, or service inquiries, please refer to the official AOC website or contact their customer service.
Visit the AOC Store: AOC Official Store
![]() |
AOC Monitor Assembly and Installation Guide Step-by-step guide for assembling and installing your AOC monitor, including important precautions to prevent damage. |
![]() |
AOC SPX24V2 User Manual - Setup, Operation, and Specifications Comprehensive user manual for the AOC SPX24V2 display, covering safety, setup, operation, media playback, file management, troubleshooting, and technical specifications. Visit www.aoc.com for more information. |
![]() |
AOC GK500 Mechanical Gaming Keyboard User's Guide Comprehensive user guide for the AOC GK500 Mechanical Gaming Keyboard. Covers package contents, specifications, device layout, installation and usage of AOC G-Tools software for profile management, button assignment, macro programming, RGB lighting effects (Light FX), and sensitivity settings, along with safety and maintenance guidelines. |
![]() |
Instrukcja obsługi AOC Q27G4SRU - Monitor Gamingowy Szczegółowa instrukcja obsługi dla monitora gamingowego AOC Q27G4SRU, zawierająca informacje o instalacji, konfiguracji, ustawieniach, rozwiązywaniu problemów i specyfikacjach technicznych. |
![]() |
AOC CS24A User Manual: Setup, Features, and Specifications Comprehensive user manual for the AOC CS24A monitor, covering setup, safety, features like AMD FreeSync Premium and HDR, OSD settings, troubleshooting, and technical specifications. |
![]() |
AOC 27G4XE Gaming Monitor Quick Start Guide Concise guide to setting up and using the AOC 27G4XE gaming monitor, including specifications, connections, and OSD navigation. |