Surely youve experienced the extra dimension of deep, realistic bass at a movie theater or concert hall. And you know how critical low frequencies are to fully enjoying todays high-quality multichannel digital music and movie soundtracks at home. So does Infinity. Once again, our engineers have raised the bar for performance and value with the introduction of the PS Series powered subwoofers. PS Series subwoofers deliver rich, clear, dynamic bass response to reproduce your favorite music and movies with stunning realism and impact. Infinity PS Series subwoofers - transform your listening experience.