Klipsch Synergy Sub-10 420W 10" Subwoofer Black - Newegg.com
Klipsch Reference Series RPW-10 Powered subwoofer at Crutchfield
Klipsch RW 10D 10" Powered Subwoofer with Power Cord - Black | eBay
Amazon.com: Klipsch Synergy Black Label Sub-100 10” Front-Firing Subwoofer with 150 Watts of continuous power, 300 watts of Dynamic Power, and All-Digital Amplifier for Powerful Home Theater Bass in Black : Everything
Klipsch RPW- 10 Reference Subwoofer, Bash Amp Technology, Ex Sound, Quality, Deep, Powerful Black | Reverb