No. They are sold as-is at discount with no warranty. Before buying any open box items view the disclaimer on the listing explaining our open box purchase policy. Additionally, we do not accept open/installed/used products for return. If you have purchased an open box item from us and find a major problem with the item, we are not unreasonable and will hear your issue out on a case-by-case basis. Visit our Return Policy FAQ's https://www.sonicelectronix.com/return-policy-faq