Klipsch KW-120-THX THX® certified passive subwoofer with matching amplifier at Crutchfield
Amazon.com: Klipsch Reference Premiere RP-8000F II 2.1 Premium Home Theater Speaker System with one SPL 15-inch subwoofer in Ebony with Onkyo TX-NR6100 7.2 Channel THX Certified Network AV Receiver : Electronics
Klipsch THX-1200-SW 12" Passive Subwoofer 1068691 B&H Photo Video
Klipsch KW-120 THX Ultra2 Subwoofer with KA-1000 Amplifier for Sale in Plant City, FL - OfferUp