The Pioneer S-21W is an active subwoofer designed to enhance your home cinema sound experience. With a subwoofer RMS power of 100W and a peak power of 160W, this compact subwoofer is capable of delivering deep bass for a more immersive audio experience. Weighing 6500 grams and measuring 230 mm in width, 408 mm in height, and 344 mm in depth, the S-21W is a versatile addition to speaker configurations ranging from 2.1 to 5.1 setups. The subwoofer features a 160 mm driver diameter and an impedance of 47000 Ω, ensuring high-quality sound reproduction. Utilizing Phase Control technology, the S-21W effectively manages the time and phase response of the speakers to minimize sound delays, resulting in a smoother audio experience. Overall, the Pioneer S-21W subwoofer is a reliable choice for those looking to add impact and depth to their home cinema sound system. Subwoofer RMS power 100 W -- Peak 160 W Subwoofer weight 6500 g AC input frequency 50 - 60 Hz Product colour Black