The ALPHASONIK HSW212 12" 1200W Hyper 200 Series Subwoofer is a powerful and high-quality car audio component designed for optimal performance. With 2" voice coils and a 4 ohm impedance, this subwoofer delivers clear and impactful sound. The RMS power output of 400W ensures that you'll feel the bass thumping in your car, adding depth and richness to your audio experience. reliable choice for any car audio setup.