Kanto SUB8VMB 300W Sealed Powered Subwoofer - 8" Paper Cone Woofer - RCA L/R Line Level Connection - Class D Amp - 300W Power - 35Hz-175kHz Frequency Response - Volume Knob - Low-Pass Filter Frequency Control - Phase Switch - Power Switch - Standby Power - RCA Cable Included - ( 11.00"W x 11.00"D x 11.90"H ) - (Vinyl Black) with a 1 Year Coverage by Epic Protect in Addition to the Included Full Manufacturer Warranty. Intended for Residential Use Only