A:Answer We're sorry to hear about what happened and we thank you for your feedback. Please try resetting them. To do this, press the Volume + and Play / Pause buttons simultaneously for 10 seconds while your Partybox is on. When it shuts down, it has been reset. If you've had this product for not more than 30 days and must be purchased directly from our website. If you need more assistance, please contact us, so we can assist you: https://support.jbl.com/us/en/#call