Klipsch Synergy Sub-10 420W 10" Subwoofer Black - Newegg.com
Klipsch Synergy Sub - 10” 200W Powered Active Sub woofer | Reverb
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