Klipsch R-112SW 12'' Reference Series Powered 600 Watt Subwoofer + Klipsch WA-2 Wireless Subwoofer Kit Klipsch R-112SW: Get ready to be moved. The R-112SW subwoofer lets you feel the impact of your favorite music and movies rather than just hearing them. In fact, its rich, full deep bass will shake you up as soon as you push play. 12" spun-copper Cerametallic woofer All-digital amplifier delivers 600 watts of dynamic power Front-firing slot port with exclusive internal flare technology L/R line-level/LFE RCA inputs for compatibility with most receivers For a simple wireless connection Klipsch R-112SW: FREQUENCY RESPONSE: 24Hz-125Hz +/-3dB Klipsch R-112SW: INPUTS: L/R line-level/LFE RCA jacks, Wireless WA-2 Port Klipsch WA-2: Allows for powerful bass extension with fewer wires Klipsch WA-2: Hassle-free setup, Plug N Play Technology