More on Amazon.com : http://www.amazon.com/gp/product/B0021AF11K?tag=purrfectcatdi-20 <br /> <br />Pinnacle Speakers AC Sub 125 10-Inch 125 Watt Front Firing Powered Subwoofer (Black) <br /> <br />Anti-Clipping circuit for high level undistorted bass <br />Includes high quality gold plated interconnect cable plus solid brass isolation cones for optimal bass resonse <br />Line Level Input for fast hook up to your audio receiver <br />Phase Switch to adjust for room acoustics and for high volume content <br />Volume control
