Monoprice 108247 is a home theater in a box system that will add impact and realism to recorded music and movies. Once set up and properly adjusted, it can deliver a movie theater-like experience in the comfort of your home. It includes a subwoofer with an 8-inch down-firing driver and a 60-watt RMS amplifier. The subwoofer has adjustable low pass crossover from 50Hz to 250Hz. It also features speaker level and line level inputs. The satellites have a 3-inch shielded speaker with a paper cone and foam surround, and a 1/2-inch balanced dome tweeter.