More from Amazon.com : http://www.amazon.com/gp/product/B009WRN6MQ?tag=thefatkidin06-20 <br /> <br />Polk Audio Monitor-15C 2-Way Center-Channel Speaker (Black) <br /> <br />Total Frequency Response 55Hz-25Hz <br />Nominal Impedance 8 ohms <br />Efficiency 89dB <br />Recommended Amplifier Power 20-125 watts per channel <br />Inputs 5-way binding posts