[. . . ] ⷠCurved cabinet shape and internal angled baffles break up standing waves for superior midrange clarity. Magnetic shielding allows safe placement near your state-of-the-art TV or video monitor with no risk of video distortion. [. . . ] Bi-wiring Bi-wiring, or using separate speaker wire connections for high and low frequency sections. Bi-amping Bi-amping, or using separate amplifiers for the low and high frequency sections of your speakers. Polk Audio loudspeakers and subwoofers are capable of playing at extremely high volume levels, which could cause serious or permanent hearing damage. Accepts no liability for hearing loss, bodily injury or property damage resulting from the misuse of its products. Keep these guidelines in mind and always use your own good judgment when controlling volume: · High volume in an automobile can hinder your ability to safely operate a vehicle. ⷠYou are responsible for knowing the local laws governing acceptable mobile volume levels. This warranty will terminate automatically prior to its stated expiration if the original retail purchaser sells or transfers the Product to any other party. , warrants, to the original retail purchaser only, that the LOUDSPEAKER(S), PASSIVE CROSSOVER COMPONENT(S) and ENCLOSURE on this Polk Audio Loudspeaker Product will be free from defects in material and workmanship for a period of five (5) years from the date of original retail purchase from a Polk Audio Authorized Dealer. , warrants, to the original retail purchaser only, that any AMPLIFIER OR OTHER ELECTRONIC COMPONENT that may be included in this Polk Audio Loudspeaker Product will be free from defects in material and workmanship for a period of three (3) years years from the date of original retail purchase from a Polk Audio Authorized Dealer. To allow Polk Audio to offer the best possible warranty service, please register your new product online at: www. Com/registration or call Polk customer service 800-377-7655 in the USA and Canada (outside the USA: 410-358-3600) within ten (10) days of the date of original purchase. Defective Products must be shipped, together with proof of purchase, prepaid insured to the Polk Audio Authorized Dealer from whom you purchased the Product, or to the Factory at 2550 Britannia Boulevard, Suite A, San Diego, California 92154. [. . . ] This Warranty gives you specific legal rights, and you also may have other rights which vary from state to state. This Warranty applies only to Products purchased in Canada, the United States of America, its possessions, and U. [. . . ]