The Pyle PLBASS8 8" Low-Profile 600 W Active Amplified Subwoofer System packs killer thumping bass in a slim package. Works great in any space, especially under-seat installations - the small footprint means space is not a problem with the PLBASS8. This model accepts both low level RCA and high level speaker line inputs. It has a remote for bass boost level control within the comfort of your vehicle. A low pass filter prevents annoying subsonics from distorting your signal. And thermal and overload protection extend the life of your product and ensure the safety of your vehicle.