The device’s volume is off or too low to hear. Check the device settings and try adjusting the volume.
The headphone’s wire input is not completely plugged into the device’s headphone jack. Twist and push the jack to make sure it is all the way plugged in.
While playing audio, adjust the position of wire near the speakers and near the jack. If the changes or cuts in and out when you do this, the wire is the problem. See Kensington Hi-Fi Headphones 33137 Speaker Cable.
Check the device settings.
Replace the blown speaker. See Kensington Hi-Fi Headphones 33137 Speakers.
While playing audio, adjust the position of wire near the speakers and near the jack. If the sound temporarily comes back on in the speaker with no sound, the wire is the problem. See Kensington Hi-Fi Headphones 33137 Speaker Cable.
While playing audio, adjust the position of wire near the speakers and near the jack. If the distortion changes or is temporarily gone when you do this, the wire is the problem. See Kensington Hi-Fi Headphones 33137 Speaker Cable.
The headband needs to be replaced. See Kensington Hi-Fi Headphones 33137 Headband Adjustment Piece.
The ear padding needs to be replaced. See Kensington Hi-Fi Headphones 33137 Speaker Ear-Pad.
The speaker cover needs to be replaced. See Kensington Hi-Fi Headphones 33137 Speaker Cover.
