Klipsch SPL-120 Powered subwoofer, wireless adapter optional at Crutchfield
SPL-120 12” Powered Subwoofer | Klipsch
Synergy Black Label Sub-120 Subwoofer | Klipsch
R-120SW High-Performance Subwoofer | Klipsch
Klipsch Synergy Black Label Sub-120 12” Front-Firing Subwoofer with 200 Watts of continuous power, 400 watts of Dynamic Power, and Digital Amplifier for Powerful Home Theater Bass in Black : Everything Else - Amazon.com