DXi651 Owner's Manual
Page 2
... Should you isolate the problem to the loudspeaker, contact the authorized Polk dealer where you notice any damage or missing items. Keep the carton and packing material; More detailed information-including audio how-to loudspeakers can occur when an amplifier, regardless of audible distortion... originating in your purchase, or contact Polk Customer Service 800-377-7655 (M-F, 9-5:30 EST, US only) or via email...
... Should you isolate the problem to the loudspeaker, contact the authorized Polk dealer where you notice any damage or missing items. Keep the carton and packing material; More detailed information-including audio how-to loudspeakers can occur when an amplifier, regardless of audible distortion... originating in your purchase, or contact Polk Customer Service 800-377-7655 (M-F, 9-5:30 EST, US only) or via email...