Klipsch RP-1000SW subwoofer

The RP-1000SW and other Reference Premiere subs feature hefty, well-constructed cabinets with rounded corners,

10" front-firing, ultra-long-throw Cerametallic™ woofer
300-watt RMS Class D amplifier (600 watts peak power)
frequency response: 19-131 Hz,shock-absorbing feet