PW Series subwoofers deliver astounding bass with staggering definition and dynamic impact. Superior high-power drivers together with the brute power of our patented 400-watt RMS Ultra-Class-D™ discrete amplifiers ensure dramatically superior flat power response and ultra-low distortion. These subwoofers are pure magic - their visceral power, astonishing detail and incredible output put them in a league with far more expensive subwoofers.