Klipsch RW-5802 II + RSA-500 Passive in-wall subwoofer with matching amplifier at Crutchfield
Klipsch Subwoofer Amplifier (RSA500) | Glubes Audio Video Unlimited
Klipsch Reference RT-10D 10 Inch SUBWOOFER SPEAKER ONLY | Reverb
Amazon.com: Klipsch R-100SW 10" Subwoofer, Incredibly Deep Bass and an All-digital Amplifier,14 5" x 12 5" x 16 4" : Electronics
Klipsch KA-1000-THX Subwoofer Amplifier 1016569 B&H Photo Video
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