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Get trouble with no sound (first use or currently in use)
Step 1: Check that the audio output setting on the device has been switched toexternal speakers and is not disabled. (lf you have no idea how to setup your device, please contact us with your device brand and model)
Step 2: Rotate the knob to adjust volume or restart the speaker.
Step 3: Replug the USB and 3.5mm audio cables.
Step 4: Change different devices (eg. another PC) to check for audio output compatibility of the device.
Get trouble with static noise:
Step 1: Try to play different audio files to see if it's a quality issue of the file.
Step 2: Change different power adapters to check for current interference.
Step 3: Change different devices (eg. another PC) to check for audio output compatibility of the device.