Article ID : 00202775 / Last Modified : 04/06/2019Print

The USB device is not recognized on my HT-RT3

    If the USB device is not recognized, try the following:

    1. Turn the system off.
    2. Remove and reconnect the USB device.
    3. Turn the system on.


    • Make sure that the USB device is securely connected to the (USB) port.
    • Check if the USB device or a cable is damaged.
    • Check if the USB device is on.
    • If the USB device is connected via a USB hub, disconnect it and connect the USB device directly to the Subwoofer.

    Check the files are in the supported format:


    MP3 (MPEG-1 Audio Layer III).mp3
    AAC.m4a, mp4, 3gp
    WMA9 Standard.wma


    MPEG4.avi, .mp4, .3gp


    • Some files may not play depending on the file format, the file encoding, or the recording condition.
    • Some files edited on a PC may not play.
    • The system does not play coded files such as DRM and Lossless.
    • The system can recognize the following files or folders in USB devices:
      • up to 200 folders
      • up to 150 files/folders in a single layer
    • Some USB devices may not work with this system.
    • The system can recognize Mass Storage Class (MSC) devices.