Amazon.com: Klipsch Reference R-121SW 12” Front-Firing Subwoofer with revamped Spun-Copper thermoformed crystalline Polymer woofers and an All-Digital Amplifier for Premium Sound in Black : Electronics
Klipsch R-112SW Active Sub-woofer - av2day.com
R-115SW Subwoofer | Klipsch
Klipsch RP-1400SW Subwoofer Review - Bass that Leaves a Lasting Impression | AVS Forum