MTX Terminator subwoofers sound as good as they look. Classic MTX subwoofer cosmetics complement this subwoofer that is loaded with engineering technology including Spider Plateau Venting and Asymmetrical Linear Drive System which allow this subwoofer to be loud and play long. If you are looking for a great subwoofer that won't break your bank look no further. RMS Power (Watts): 200 Watts Recommended Amp Power (RMS): 100 200 Watts Peak Power (Watts): 400 ALDS Asymmetrical Linear Drive System with a Flat Progressive Spider and Extended Pole Piece for Smooth, Linear, Piston like Drive