Our Lecterns undergo the most rigid and exacting tests for superior quality and performance before leaving the factory. Oklahoma Sound Corporation warrants this product to be free from defective material and workmanship on the electronic product speakers and microphones for ten years from the date of resale by an authorized Oklahoma Sound distributor. Oklahoma Sound will replace defective parts and repair malfunctioning products under this warranty when the defect occurs under normal installation and use, provided the unit is returned to our factory via prepaid transportation after direct authorization and approval by Oklahoma Sound. This warranty provides that examination of the returned product must disclose in our judgement, a manufacturing defect. This warranty does not extend to any product which has been subject to misuse, neglect, accident, improper installation, or where the serial number has been removed or defected and is given in lieu of any other warranty implied or expressed and will not cover any consequential damages.